Greg Gerhardt - Publications

Affiliations: 
University of Kentucky, Lexington, KY 

312 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any innacuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2018 Grondin R, Littrell OM, Zhang Z, Ai Y, Huettl P, Pomerleau F, Quintero JE, Andersen AH, Stenslik MJ, Bradley LH, Lemmon J, O'Neill MJ, Gash DM, Gerhardt GA. GDNF revisited: A novel mammalian cell-derived variant form of GDNF increases dopamine turnover and improves brain biodistribution. Neuropharmacology. PMID 29857941 DOI: 10.1016/j.neuropharm.2018.05.014  0.96
2018 Geyer ED, Shetty PA, Suozzi CJ, Allen DZ, Benavidez PP, Liu J, Hollis CN, Gerhardt GA, Quintero JE, Burmeister JJ, Whitaker EE. Adaptation of Microelectrode Array Technology for the Study of Anesthesia-induced Neurotoxicity in the Intact Piglet Brain. Journal of Visualized Experiments : Jove. PMID 29806825 DOI: 10.3791/57391  1
2018 van Horne CG, Quintero JE, Slevin JT, Anderson-Mooney A, Gurwell JA, Welleford AS, Lamm JR, Wagner RP, Gerhardt GA. Peripheral nerve grafts implanted into the substantia nigra in patients with Parkinson's disease during deep brain stimulation surgery: 1-year follow-up study of safety, feasibility, and clinical outcome. Journal of Neurosurgery. 1-12. PMID 29451447 DOI: 10.3171/2017.8.JNS163222  0.96
2018 Miller EM, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA, Glaser PEA. Chronic Methylphenidate Alters Tonic and Phasic Glutamate Signaling in the Frontal Cortex of a Freely-Moving Rat Model of ADHD. Neurochemical Research. PMID 29397534 DOI: 10.1007/s11064-018-2483-1  0.96
2018 Batten SR, Pomerleau F, Quintero J, Gerhardt GA, Beckmann JS. The Role of Glutamate Signaling in Incentive Salience: Second-by-second Glutamate Recordings in Awake Sprague Dawley Rats. Journal of Neurochemistry. PMID 29315659 DOI: 10.1111/jnc.14298  0.92
2017 Batten SR, Matveeva EA, Whiteheart SW, Vanaman TC, Gerhardt GA, Slevin JT. Linking kindling to increased glutamate release in the dentate gyrus of the hippocampus through the STXBP5/tomosyn-1 gene. Brain and Behavior. 7: e00795. PMID 28948088 DOI: 10.1002/brb3.795  0.6
2017 Thomas TC, Beitchman JA, Pomerleau F, Noel T, Jungsuwadee P, Allan Butterfield D, Clair DKS, Vore M, Gerhardt GA. Acute Treatment with Doxorubicin Affects Glutamate Neurotransmission in the Mouse Frontal Cortex and Hippocampus. Brain Research. PMID 28705715 DOI: 10.1016/j.brainres.2017.07.003  0.96
2017 Sompol P, Furman JL, Pleiss MM, Kraner SD, Artiushin IA, Batten SR, Quintero JE, Simmerman LA, Beckett TL, Lovell MA, Murphy MP, Gerhardt GA, Norris CM. Calcineurin/NFAT signaling in activated astrocytes drives network hyperexcitability in Aβ-bearing mice. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 28559377 DOI: 10.1523/JNEUROSCI.0877-17.2017  0.96
2017 Hunsberger HC, Setti SE, Heslin RT, Quintero JE, Gerhardt GA, Reed MN. Using Enzyme-based Biosensors to Measure Tonic and Phasic Glutamate in Alzheimer's Mouse Models. Journal of Visualized Experiments : Jove. PMID 28518111 DOI: 10.3791/55418  0.96
2016 Deeb W, Giordano JJ, Rossi PJ, Mogilner AY, Gunduz A, Judy JW, Klassen BT, Butson CR, Van Horne C, Deny D, Dougherty DD, Rowell D, Gerhardt GA, Smith GS, Ponce FA, et al. Proceedings of the Fourth Annual Deep Brain Stimulation Think Tank: A Review of Emerging Issues and Technologies. Frontiers in Integrative Neuroscience. 10: 38. PMID 27920671 DOI: 10.3389/fnint.2016.00038  0.52
2016 Deadwyler SA, Hampson RE, Song D, Opris I, Gerhardt GA, Marmarelis VZ, Berger TW. A cognitive prosthesis for memory facilitation by closed-loop functional ensemble stimulation of hippocampal neurons in primate brain. Experimental Neurology. PMID 27233622 DOI: 10.1016/j.expneurol.2016.05.031  0.96
2016 Grondin R, Ai Y, Hardy PA, Butt MT, Nelson BD, Lemmon JD, Bumcrot D, Gash DM, Gerhardt GA, Zhang Z. Continuous intranigral infusion is not associated with observable behavioral deficits or marked pathology: a preclinical safety study. Journal of Neurosurgery. 1-10. PMID 27231974 DOI: 10.3171/2016.2.JNS152295  0.6
2016 van Horne CG, Quintero JE, Gurwell JA, Wagner RP, Slevin JT, Gerhardt GA. Implantation of autologous peripheral nerve grafts into the substantia nigra of subjects with idiopathic Parkinson's disease treated with bilateral STN DBS: a report of safety and feasibility. Journal of Neurosurgery. 1-8. PMID 27153166 DOI: 10.3171/2016.2.JNS151988  0.96
2016 Brown DP, Rogers DT, Pomerleau F, Siripurapu KB, Kulshrestha M, Gerhardt GA, Littleton JM. Novel multifunctional pharmacology of lobinaline, the major alkaloid from Lobelia cardinalis. Fitoterapia. PMID 27105955 DOI: 10.1016/j.fitote.2016.04.013  0.92
2016 Rossi PJ, Gunduz A, Judy J, Wilson L, Machado A, Giordano JJ, Elias WJ, Rossi MA, Butson CL, Fox MD, McIntyre CC, Pouratian N, Swann NC, de Hemptinne C, Gross RE, ... ... Gerhardt GA, et al. Proceedings of the Third Annual Deep Brain Stimulation Think Tank: A Review of Emerging Issues and Technologies. Frontiers in Neuroscience. 10: 119. PMID 27092042 DOI: 10.3389/fnins.2016.00119  0.52
2015 Opris I, Santos LM, Gerhardt GA, Song D, Berger TW, Hampson RE, Deadwyler SA. Distributed encoding of spatial and object categories in primate hippocampal microcircuits. Frontiers in Neuroscience. 9: 317. PMID 26500473 DOI: 10.3389/fnins.2015.00317  0.48
2015 Hinzman JM, Gibson JL, Tackla RD, Costello MS, Burmeister JJ, Quintero JE, Gerhardt GA, Hartings JA. Real-time monitoring of extracellular adenosine using enzyme-linked microelectrode arrays. Biosensors & Bioelectronics. 74: 512-517. PMID 26183072 DOI: 10.1016/j.bios.2015.06.074  1
2015 Hunsberger HC, Weitzner DS, Rudy CC, Hickman JE, Libell EM, Speer RR, Gerhardt GA, Reed MN. Riluzole rescues glutamate alterations, cognitive deficits, and tau pathology associated with P301L tau expression. Journal of Neurochemistry. 135: 381-94. PMID 26146790 DOI: 10.1111/jnc.13230  0.4
2015 Opris I, Gerhardt GA, Hampson RE, Deadwyler SA. Disruption of columnar and laminar cognitive processing in primate prefrontal cortex following cocaine exposure. Frontiers in Systems Neuroscience. 9: 79. PMID 26074787 DOI: 10.3389/fnsys.2015.00079  0.96
2015 Gerhardt GA, Miller EM, Womersley J. Tribute to: Dr. Vivienne Russell, Ph.D. on Attention-Deficit/Hyperactivity Disorder (ADHD). Journal of Neuroscience Methods. PMID 25999269 DOI: 10.1016/j.jneumeth.2015.05.007  1
2015 Stenslik MJ, Potts LF, Sonne JW, Cass WA, Turchan-Cholewo J, Pomerleau F, Huettl P, Ai Y, Gash DM, Gerhardt GA, Bradley LH. Methodology and effects of repeated intranasal delivery of DNSP-11 in a rat model of Parkinson's disease. Journal of Neuroscience Methods. 251: 120-9. PMID 25999268 DOI: 10.1016/j.jneumeth.2015.05.006  1
2015 Hinzman JM, DiNapoli VA, Mahoney EJ, Gerhardt GA, Hartings JA. Spreading depolarizations mediate excitotoxicity in the development of acute cortical lesions. Experimental Neurology. 267: 243-53. PMID 25819105 DOI: 10.1016/j.expneurol.2015.03.014  1
2015 van Horne CG, Vaughan SW, Massari C, Bennett M, Asfahani WS, Quintero JE, Gerhardt GA. Streamlining deep brain stimulation surgery by reversing the staging order. Journal of Neurosurgery. 122: 1042-7. PMID 25748305 DOI: 10.3171/2014.9.JNS14619  1
2015 Miller EM, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA, Glaser PE. Simultaneous glutamate recordings in the frontal cortex network with multisite biomorphic microelectrodes: New tools for ADHD research. Journal of Neuroscience Methods. PMID 25614383 DOI: 10.1016/j.jneumeth.2015.01.018  1
2015 Andersen AH, Hardy PA, Forman E, Gerhardt GA, Gash DM, Grondin RC, Zhang Z. Pharmacologic MRI (phMRI) as a tool to differentiate Parkinson's disease-related from age-related changes in basal ganglia function. Neurobiology of Aging. 36: 1174-82. PMID 25443764 DOI: 10.1016/j.neurobiolaging.2014.10.014  1
2015 Hunsberger HC, Rudy CC, Batten SR, Gerhardt GA, Reed MN. P301L tau expression affects glutamate release and clearance in the hippocampal trisynaptic pathway. Journal of Neurochemistry. 132: 169-82. PMID 25319522 DOI: 10.1111/jnc.12967  1
2015 Opris I, Fuqua JL, Gerhardt GA, Hampson RE, Deadwyler SA. Prefrontal cortical recordings with biomorphic MEAs reveal complex columnar-laminar microcircuits for BCI/BMI implementation. Journal of Neuroscience Methods. 244: 104-13. PMID 24954713 DOI: 10.1016/j.jneumeth.2014.05.029  1
2015 Opris L, Gerhardt GA, Hampson RE, Deadwyler SA. Disruption of columnar and laminar cognitive processing in primate prefrontal cortex following cocaine exposure Frontiers in Systems Neuroscience. 9. DOI: 10.3389/fnsys.2015.00079  1
2015 Hunsberger HC, Weitzner DS, Rudy CC, Hickman JE, Libell EM, Speer RR, Gerhardt GA, Reed MN. Riluzole rescues glutamate alterations, cognitive deficits, and tau pathology associated with P301L tau expression Journal of Neurochemistry. DOI: 10.1111/jnc.13230  0.48
2015 Song D, Hsiao MC, Opris I, Hampson RE, Marmarelis VZ, Gerhardt GA, Deadwyler SA, Berger TW. Hippocampal microcircuits, functional connectivity, and prostheses Recent Advances On the Modular Organization of the Cortex. 385-405. DOI: 10.1007/978-94-017-9900-3_20  1
2015 Deadwyler SA, Opris I, Santos LM, Hampson RE, Gerhardt GA, Song D, Marmarelis VZ, Berger TW. Extraction of cortical modularity patterns for neural prosthetics Recent Advances On the Modular Organization of the Cortex. 367-384. DOI: 10.1007/978-94-017-9900-3_19  1
2015 Gerhardt GA, Opris I, Burmeister JJ, Pomerleau F, Quintero JE, Huettl P, Hampson RE, Deadwyler SA. The function of cortical microcircuits: Insights from biomorphic ceramic-based microelectrode arrays Recent Advances On Themodular Organization of the Cortex. 313-337. DOI: 10.1007/978-94-017-9900-3_17  1
2014 Stephens ML, Williamson A, Deel ME, Bensalem-Owen M, Davis VA, Slevin J, Pomerleau F, Huettl P, Gerhardt GA. Tonic glutamate in CA1 of aging rats correlates with phasic glutamate dysregulation during seizure. Epilepsia. 55: 1817-25. PMID 25266171 DOI: 10.1111/epi.12797  1
2014 Miller EM, Pomerleau F, Huettl P, Gerhardt GA, Glaser PE. Aberrant glutamate signaling in the prefrontal cortex and striatum of the spontaneously hypertensive rat model of attention-deficit/hyperactivity disorder. Psychopharmacology. 231: 3019-29. PMID 24682500 DOI: 10.1007/s00213-014-3479-4  1
2014 Santos L, Opris I, Hampson R, Godwin DW, Gerhardt G, Deadwyler S. Functional dynamics of primate cortico-striatal networks during volitional movements. Frontiers in Systems Neuroscience. 8: 27. PMID 24653682 DOI: 10.3389/fnsys.2014.00027  1
2014 Fuqua JL, Littrell OM, Lundblad M, Turchan-Cholewo J, Abdelmoti LG, Galperin E, Bradley LH, Cass WA, Gash DM, Gerhardt GA. Dynamic changes in dopamine neuron function after DNSP-11 treatment: effects in vivo and increased ERK 1/2 phosphorylation in vitro. Peptides. 54: 1-8. PMID 24406899 DOI: 10.1016/j.peptides.2013.12.007  1
2014 Fan XT, Zhao F, Ai Y, Andersen A, Hardy P, Ling F, Gerhardt GA, Zhang Z, Quintero JE. Cortical glutamate levels decrease in a non-human primate model of dopamine deficiency. Brain Research. 1552: 34-40. PMID 24398457 DOI: 10.1016/j.brainres.2013.12.035  1
2014 Nevalainen N, Af Bjerkén S, Gerhardt GA, Strömberg I. Serotonergic nerve fibers in L-DOPA-derived dopamine release and dyskinesia. Neuroscience. 260: 73-86. PMID 24361918 DOI: 10.1016/j.neuroscience.2013.12.029  1
2013 Deadwyler SA, Berger TW, Sweatt AJ, Song D, Chan RH, Opris I, Gerhardt GA, Marmarelis VZ, Hampson RE. Donor/recipient enhancement of memory in rat hippocampus. Frontiers in Systems Neuroscience. 7: 120. PMID 24421759 DOI: 10.3389/fnsys.2013.00120  1
2013 Hampson RE, Song D, Opris I, Santos LM, Shin DC, Gerhardt GA, Marmarelis VZ, Berger TW, Deadwyler SA. Facilitation of memory encoding in primate hippocampus by a neuroprosthesis that promotes task-specific neural firing. Journal of Neural Engineering. 10: 066013. PMID 24216292 DOI: 10.1088/1741-2560/10/6/066013  1
2013 Hampson RE, Fuqua JL, Huettl PF, Opris I, Song D, Shin D, Marmarelis VZ, Berger TW, Gerhardt GA, Deadwyler SA. Conformal ceramic electrodes that record glutamate release and corresponding neural activity in primate prefrontal cortex. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2013: 5954-7. PMID 24111095 DOI: 10.1109/EMBC.2013.6610908  1
2013 Opris I, Santos L, Gerhardt GA, Song D, Berger TW, Hampson RE, Deadwyler SA. Prefrontal cortical microcircuits bind perception to executive control. Scientific Reports. 3: 2285. PMID 23893262 DOI: 10.1038/srep02285  1
2013 Burmeister JJ, Davis VA, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA. Glutaraldehyde cross-linked glutamate oxidase coated microelectrode arrays: selectivity and resting levels of glutamate in the CNS. Acs Chemical Neuroscience. 4: 721-8. PMID 23650904 DOI: 10.1021/cn4000555  1
2013 Nevalainen N, Lundblad M, Gerhardt GA, Strömberg I. Striatal glutamate release in L-DOPA-induced dyskinetic animals. Plos One. 8: e55706. PMID 23390548 DOI: 10.1371/journal.pone.0055706  1
2013 Littrell OM, Granholm AC, Gerhardt GA, Boger HA. Glial cell-line derived neurotrophic factor (GDNF) replacement attenuates motor impairments and nigrostriatal dopamine deficits in 12-month-old mice with a partial deletion of GDNF. Pharmacology, Biochemistry, and Behavior. 104: 10-9. PMID 23290934 DOI: 10.1016/j.pbb.2012.12.022  1
2013 Eriksson TM, Alvarsson A, Stan TL, Zhang X, Hascup KN, Hascup ER, Kehr J, Gerhardt GA, Warner-Schmidt J, Arango-Lievano M, Kaplitt MG, Ogren SO, Greengard P, Svenningsson P. Bidirectional regulation of emotional memory by 5-HT1B receptors involves hippocampal p11. Molecular Psychiatry. 18: 1096-105. PMID 23032875 DOI: 10.1038/mp.2012.130  1
2013 Littrell OM, Fuqua JL, Richardson AD, Turchan-Cholewo J, Hascup ER, Huettl P, Pomerleau F, Bradley LH, Gash DM, Gerhardt GA. A synthetic five amino acid propeptide increases dopamine neuron differentiation and neurochemical function. Neuropeptides. 47: 43-9. PMID 22981157 DOI: 10.1016/j.npep.2012.08.004  1
2013 Hascup ER, Hascup KN, Talauliker PM, Price DA, Pomerleau F, Quintero JE, Huettl P, Gratton A, Strömberg I, Gerhardt GA. Sub-second measurements of glutamate and other neurotransmitter signaling using enzyme-based ceramic microelectrode arrays Neuromethods. 80: 179-199. DOI: 10.1007/978-1-62703-370-1-8  1
2013 Hascup KN, Hascup ER, Littrell OM, Hinzman JM, Werner CE, Davis VA, Burmeister JJ, Pomerleau F, Quintero JE, Huettl P, Gerhardt GA. Microelectrode array fabrication and optimization for selective neurochemical detection Neuromethods. 80: 27-54. DOI: 10.1007/978-1-62703-370-1-2  1
2012 Opris I, Fuqua JL, Huettl PF, Gerhardt GA, Berger TW, Hampson RE, Deadwyler SA. Closing the loop in primate prefrontal cortex: inter-laminar processing. Frontiers in Neural Circuits. 6: 88. PMID 23189041 DOI: 10.3389/fncir.2012.00088  1
2012 Opris I, Hampson RE, Gerhardt GA, Berger TW, Deadwyler SA. Columnar processing in primate pFC: evidence for executive control microcircuits. Journal of Cognitive Neuroscience. 24: 2334-47. PMID 23016850 DOI: 10.1162/jocn_a_00307  1
2012 Berger T, Song D, Chan R, Shin D, Marmarelis V, Hampson R, Sweatt A, Heck C, Liu C, Wills J, Lacoss J, Granacki J, Gerhardt G, Deadwyler S. Role of the hippocampus in memory formation: restorative encoding memory integration neural device as a cognitive neural prosthesis. Ieee Pulse. 3: 17-22. PMID 23014702 DOI: 10.1109/MPUL.2012.2205775  1
2012 Hampson RE, Gerhardt GA, Marmarelis V, Song D, Opris I, Santos L, Berger TW, Deadwyler SA. Facilitation and restoration of cognitive function in primate prefrontal cortex by a neuroprosthesis that utilizes minicolumn-specific neural firing. Journal of Neural Engineering. 9: 056012. PMID 22976769 DOI: 10.1088/1741-2560/9/5/056012  1
2012 Miller EM, Pomerleau F, Huettl P, Russell VA, Gerhardt GA, Glaser PE. The spontaneously hypertensive and Wistar Kyoto rat models of ADHD exhibit sub-regional differences in dopamine release and uptake in the striatum and nucleus accumbens. Neuropharmacology. 63: 1327-34. PMID 22960443 DOI: 10.1016/j.neuropharm.2012.08.020  1
2012 Onifer SM, Quintero JE, Gerhardt GA. Cutaneous and electrically evoked glutamate signaling in the adult rat somatosensory system. Journal of Neuroscience Methods. 208: 146-54. PMID 22627377 DOI: 10.1016/j.jneumeth.2012.05.013  1
2012 Hascup ER, Hascup KN, Pomerleau F, Huettl P, Hajos-Korcsok E, Kehr J, Gerhardt GA. An allosteric modulator of metabotropic glutamate receptors (mGluRâ‚‚), (+)-TFMPIP, inhibits restraint stress-induced phasic glutamate release in rat prefrontal cortex. Journal of Neurochemistry. 122: 619-27. PMID 22578190 DOI: 10.1111/j.1471-4159.2012.07784.x  1
2012 Hampson RE, Song D, Chan RH, Sweatt AJ, Riley MR, Goonawardena AV, Marmarelis VZ, Gerhardt GA, Berger TW, Deadwyler SA. Closing the loop for memory prosthesis: detecting the role of hippocampal neural ensembles using nonlinear models. Ieee Transactions On Neural Systems and Rehabilitation Engineering : a Publication of the Ieee Engineering in Medicine and Biology Society. 20: 510-25. PMID 22498704 DOI: 10.1109/TNSRE.2012.2190942  1
2012 Hampson RE, Song D, Chan RH, Sweatt AJ, Riley MR, Gerhardt GA, Shin DC, Marmarelis VZ, Berger TW, Deadwyler SA. A nonlinear model for hippocampal cognitive prosthesis: memory facilitation by hippocampal ensemble stimulation. Ieee Transactions On Neural Systems and Rehabilitation Engineering : a Publication of the Ieee Engineering in Medicine and Biology Society. 20: 184-97. PMID 22438334 DOI: 10.1109/TNSRE.2012.2189163  1
2012 Hinzman JM, Thomas TC, Quintero JE, Gerhardt GA, Lifshitz J. Disruptions in the regulation of extracellular glutamate by neurons and glia in the rat striatum two days after diffuse brain injury. Journal of Neurotrauma. 29: 1197-208. PMID 22233432 DOI: 10.1089/neu.2011.2261  1
2012 Matveeva EA, Price DA, Whiteheart SW, Vanaman TC, Gerhardt GA, Slevin JT. Reduction of vesicle-associated membrane protein 2 expression leads to a kindling-resistant phenotype in a murine model of epilepsy. Neuroscience. 202: 77-86. PMID 22183055 DOI: 10.1016/j.neuroscience.2011.11.055  1
2012 van Bregt DR, Thomas TC, Hinzman JM, Cao T, Liu M, Bing G, Gerhardt GA, Pauly JR, Lifshitz J. Substantia nigra vulnerability after a single moderate diffuse brain injury in the rat. Experimental Neurology. 234: 8-19. PMID 22178300 DOI: 10.1016/j.expneurol.2011.12.003  1
2012 Matveeva EA, Davis VA, Whiteheart SW, Vanaman TC, Gerhardt GA, Slevin JT. Kindling-induced asymmetric accumulation of hippocampal 7S SNARE complexes correlates with enhanced glutamate release. Epilepsia. 53: 157-67. PMID 22150629 DOI: 10.1111/j.1528-1167.2011.03345.x  0.6
2012 Thomas TC, Hinzman JM, Gerhardt GA, Lifshitz J. Hypersensitive glutamate signaling correlates with the development of late-onset behavioral morbidity in diffuse brain-injured circuitry. Journal of Neurotrauma. 29: 187-200. PMID 21939393 DOI: 10.1089/neu.2011.2091  1
2012 Littrell OM, Pomerleau F, Huettl P, Surgener S, McGinty JF, Middaugh LD, Granholm AC, Gerhardt GA, Boger HA. Enhanced dopamine transporter activity in middle-aged Gdnf heterozygous mice. Neurobiology of Aging. 33: 427.e1-14. PMID 21144620 DOI: 10.1016/j.neurobiolaging.2010.10.013  1
2012 Kim BJ, Gutierrez CA, Gerhardt GA, Meng E. Parylene-based electrochemical-MEMS force sensor array for assessing neural probe insertion mechanics Proceedings of the Ieee International Conference On Micro Electro Mechanical Systems (Mems). 124-127. DOI: 10.1109/MEMSYS.2012.6170109  1
2011 Hampson RE, Marmaralis V, Shin DC, Gerhardt GA, Song D, Chan RH, Sweatt AJ, Granacki J, Berger TW, Deadwyler SA. Restorative encoding memory integrative neural device: "REMIND". Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2011: 3338-41. PMID 22255054 DOI: 10.1109/IEMBS.2011.6090905  1
2011 Womersley JS, Hsieh JH, Kellaway LA, Gerhardt GA, Russell VA. Maternal separation affects dopamine transporter function in the spontaneously hypertensive rat: an in vivo electrochemical study. Behavioral and Brain Functions : Bbf. 7: 49. PMID 22133315 DOI: 10.1186/1744-9081-7-49  1
2011 Mattinson CE, Burmeister JJ, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA. Tonic and phasic release of glutamate and acetylcholine neurotransmission in sub-regions of the rat prefrontal cortex using enzyme-based microelectrode arrays. Journal of Neuroscience Methods. 202: 199-208. PMID 21896284 DOI: 10.1016/j.jneumeth.2011.08.020  1
2011 Harvey BK, Airavaara M, Hinzman J, Wires EM, Chiocco MJ, Howard DB, Shen H, Gerhardt G, Hoffer BJ, Wang Y. Targeted over-expression of glutamate transporter 1 (GLT-1) reduces ischemic brain injury in a rat model of stroke. Plos One. 6: e22135. PMID 21853027 DOI: 10.1371/journal.pone.0022135  1
2011 Morris JK, Bomhoff GL, Gorres BK, Davis VA, Kim J, Lee PP, Brooks WM, Gerhardt GA, Geiger PC, Stanford JA. Insulin resistance impairs nigrostriatal dopamine function. Experimental Neurology. 231: 171-80. PMID 21703262 DOI: 10.1016/j.expneurol.2011.06.005  1
2011 Santos RM, Lourenço CF, Gerhardt GA, Cadenas E, Laranjinha J, Barbosa RM. Evidence for a pathway that facilitates nitric oxide diffusion in the brain. Neurochemistry International. 59: 90-6. PMID 21672575 DOI: 10.1016/j.neuint.2011.05.016  1
2011 Quintero JE, Pomerleau F, Huettl P, Johnson KW, Offord J, Gerhardt GA. Methodology for rapid measures of glutamate release in rat brain slices using ceramic-based microelectrode arrays: basic characterization and drug pharmacology. Brain Research. 1401: 1-9. PMID 21664606 DOI: 10.1016/j.brainres.2011.05.025  1
2011 Nevalainen N, Af Bjerkén S, Lundblad M, Gerhardt GA, Strömberg I. Dopamine release from serotonergic nerve fibers is reduced in L-DOPA-induced dyskinesia. Journal of Neurochemistry. 118: 12-23. PMID 21534956 DOI: 10.1111/j.1471-4159.2011.07292.x  1
2011 Hascup KN, Hascup ER, Stephens ML, Glaser PE, Yoshitake T, Mathé AA, Gerhardt GA, Kehr J. Resting glutamate levels and rapid glutamate transients in the prefrontal cortex of the Flinders Sensitive Line rat: a genetic rodent model of depression. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 36: 1769-77. PMID 21525860 DOI: 10.1038/npp.2011.60  1
2011 Talauliker PM, Price DA, Burmeister JJ, Nagari S, Quintero JE, Pomerleau F, Huettl P, Hastings JT, Gerhardt GA. Ceramic-based microelectrode arrays: recording surface characteristics and topographical analysis. Journal of Neuroscience Methods. 198: 222-9. PMID 21513736 DOI: 10.1016/j.jneumeth.2011.04.004  1
2011 Kelps KA, Turchan-Cholewo J, Hascup ER, Taylor TL, Gash DM, Gerhardt GA, Bradley LH. Evaluation of the physical and in vitro protective activity of three synthetic peptides derived from the pro- and mature GDNF sequence. Neuropeptides. 45: 213-8. PMID 21507484 DOI: 10.1016/j.npep.2011.03.003  1
2011 Quintero JE, Dooley DJ, Pomerleau F, Huettl P, Gerhardt GA. Amperometric measurement of glutamate release modulation by gabapentin and pregabalin in rat neocortical slices: role of voltage-sensitive Ca2+ α2δ-1 subunit. The Journal of Pharmacology and Experimental Therapeutics. 338: 240-5. PMID 21464332 DOI: 10.1124/jpet.110.178384  1
2011 Hascup KN, Bao X, Hascup ER, Hui D, Xu W, Pomerleau F, Huettl P, Michaelis ML, Michaelis EK, Gerhardt GA. Differential levels of glutamate dehydrogenase 1 (GLUD1) in Balb/c and C57BL/6 mice and the effects of overexpression of the Glud1 gene on glutamate release in striatum. Asn Neuro. 3. PMID 21446915 DOI: 10.1042/AN20110005  1
2011 Michaelis EK, Wang X, Pal R, Bao X, Hascup KN, Wang Y, Wang WT, Hui D, Agbas A, Choi IY, Belousov A, Gerhardt GA. Neuronal Glud1 (glutamate dehydrogenase 1) over-expressing mice: increased glutamate formation and synaptic release, loss of synaptic activity, and adaptive changes in genomic expression. Neurochemistry International. 59: 473-81. PMID 21397652 DOI: 10.1016/j.neuint.2011.03.003  1
2011 Lockrow J, Boger H, Gerhardt G, Aston-Jones G, Bachman D, Granholm AC. A noradrenergic lesion exacerbates neurodegeneration in a Down syndrome mouse model. Journal of Alzheimer's Disease : Jad. 23: 471-89. PMID 21098982 DOI: 10.3233/JAD-2010-101218  1
2011 Santos RM, Lourenço CF, Pomerleau F, Huettl P, Gerhardt GA, Laranjinha J, Barbosa RM. Brain nitric oxide inactivation is governed by the vasculature. Antioxidants & Redox Signaling. 14: 1011-21. PMID 20712398 DOI: 10.1089/ars.2010.3297  1
2011 Opris I, Hampson RE, Stanford TR, Gerhardt GA, Deadwyler SA. Neural activity in frontal cortical cell layers: evidence for columnar sensorimotor processing. Journal of Cognitive Neuroscience. 23: 1507-21. PMID 20695762 DOI: 10.1162/jocn.2010.21534  1
2011 Lourenço CF, Santos R, Barbosa RM, Gerhardt G, Cadenas E, Laranjinha J. In vivo modulation of nitric oxide concentration dynamics upon glutamatergic neuronal activation in the hippocampus. Hippocampus. 21: 622-30. PMID 20169537 DOI: 10.1002/hipo.20774  1
2011 Stephens ML, Quintero JE, Pomerleau F, Huettl P, Gerhardt GA. Age-related changes in glutamate release in the CA3 and dentate gyrus of the rat hippocampus. Neurobiology of Aging. 32: 811-20. PMID 19535175 DOI: 10.1016/j.neurobiolaging.2009.05.009  1
2011 Sarre S, Gerhardt G. Special Issue on the 13th International Conference on In Vivo Methods Journal of Neuroscience Methods. 202: 111-112. DOI: 10.1016/j.jneumeth.2011.10.005  1
2010 Hascup ER, Hascup KN, Stephens M, Pomerleau F, Huettl P, Gratton A, Gerhardt GA. Rapid microelectrode measurements and the origin and regulation of extracellular glutamate in rat prefrontal cortex. Journal of Neurochemistry. 115: 1608-20. PMID 20969570 DOI: 10.1111/j.1471-4159.2010.07066.x  1
2010 Zhao F, Fan X, Grondin R, Edwards R, Forman E, Moorehead J, Gerhardt G, Wang X, Zhang Z. Improved methods for electroacupuncture and electromyographic recordings in normal and parkinsonian rhesus monkeys. Journal of Neuroscience Methods. 192: 199-206. PMID 20654649 DOI: 10.1016/j.jneumeth.2010.07.016  1
2010 Bradley LH, Fuqua J, Richardson A, Turchan-Cholewo J, Ai Y, Kelps KA, Glass JD, He X, Zhang Z, Grondin R, Littrell OM, Huettl P, Pomerleau F, Gash DM, Gerhardt GA. Dopamine neuron stimulating actions of a GDNF propeptide. Plos One. 5: e9752. PMID 20305789 DOI: 10.1371/journal.pone.0009752  1
2010 Hinzman JM, Thomas TC, Burmeister JJ, Quintero JE, Huettl P, Pomerleau F, Gerhardt GA, Lifshitz J. Diffuse brain injury elevates tonic glutamate levels and potassium-evoked glutamate release in discrete brain regions at two days post-injury: an enzyme-based microelectrode array study. Journal of Neurotrauma. 27: 889-99. PMID 20233041 DOI: 10.1089/neu.2009.1238  1
2010 Strömberg I, Bickford P, Gerhardt GA. Grafted dopamine neurons: Morphology, neurochemistry, and electrophysiology. Progress in Neurobiology. 90: 190-7. PMID 19853009 DOI: 10.1016/j.pneurobio.2009.10.009  1
2010 Stephens ML, Pomerleau F, Huettl P, Gerhardt GA, Zhang Z. Real-time glutamate measurements in the putamen of awake rhesus monkeys using an enzyme-based human microelectrode array prototype. Journal of Neuroscience Methods. 185: 264-72. PMID 19850078 DOI: 10.1016/j.jneumeth.2009.10.008  1
2010 Gerhardt GA, Huettl P, Pomerleau F, Quintero G, Burmeister J. Intra-operative chemical diagnostics in the brain using enzyme-based ceramic microelectrode arrays Proceedings of Ieee Sensors. 2338-2341. DOI: 10.1109/ICSENS.2010.5690939  1
2009 Bao X, Pal R, Hascup KN, Wang Y, Wang WT, Xu W, Hui D, Agbas A, Wang X, Michaelis ML, Choi IY, Belousov AB, Gerhardt GA, Michaelis EK. Transgenic expression of Glud1 (glutamate dehydrogenase 1) in neurons: in vivo model of enhanced glutamate release, altered synaptic plasticity, and selective neuronal vulnerability. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 29: 13929-44. PMID 19890003 DOI: 10.1523/JNEUROSCI.4413-09.2009  1
2009 Konradsson-Geuken A, Gash CR, Alexander K, Pomerleau F, Huettl P, Gerhardt GA, Bruno JP. Second-by-second analysis of alpha 7 nicotine receptor regulation of glutamate release in the prefrontal cortex of awake rats. Synapse (New York, N.Y.). 63: 1069-82. PMID 19637277 DOI: 10.1002/syn.20693  1
2009 Hascup ER, af Bjerkén S, Hascup KN, Pomerleau F, Huettl P, Strömberg I, Gerhardt GA. Histological studies of the effects of chronic implantation of ceramic-based microelectrode arrays and microdialysis probes in rat prefrontal cortex. Brain Research. 1291: 12-20. PMID 19577548 DOI: 10.1016/j.brainres.2009.06.084  1
2009 Salvatore MF, Gerhardt GA, Dayton RD, Klein RL, Stanford JA. Bilateral effects of unilateral GDNF administration on dopamine- and GABA-regulating proteins in the rat nigrostriatal system. Experimental Neurology. 219: 197-207. PMID 19460370 DOI: 10.1016/j.expneurol.2009.05.013  1
2009 Lundblad M, af Bjerkén S, Cenci MA, Pomerleau F, Gerhardt GA, Strömberg I. Chronic intermittent L-DOPA treatment induces changes in dopamine release. Journal of Neurochemistry. 108: 998-1008. PMID 19196428 DOI: 10.1111/j.1471-4159.2008.05848.x  1
2009 Thomas TC, Grandy DK, Gerhardt GA, Glaser PE. Decreased dopamine D4 receptor expression increases extracellular glutamate and alters its regulation in mouse striatum. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 34: 436-45. PMID 18536704 DOI: 10.1038/npp.2008.74  1
2008 Berger TW, Gerhardt G, Liker MA, Soussou W. The impact of neurotechnology on rehabilitation. Ieee Reviews in Biomedical Engineering. 1: 157-97. PMID 22274903 DOI: 10.1109/RBME.2008.2008687  1
2008 Zaman V, Boger HA, Granholm AC, Rohrer B, Moore A, Buhusi M, Gerhardt GA, Hoffer BJ, Middaugh LD. The nigrostriatal dopamine system of aging GFRalpha-1 heterozygous mice: neurochemistry, morphology and behavior. The European Journal of Neuroscience. 28: 1557-68. PMID 18973577 DOI: 10.1111/j.1460-9568.2008.06456.x  1
2008 Santos RM, Lourenço CF, Piedade AP, Andrews R, Pomerleau F, Huettl P, Gerhardt GA, Laranjinha J, Barbosa RM. A comparative study of carbon fiber-based microelectrodes for the measurement of nitric oxide in brain tissue. Biosensors & Bioelectronics. 24: 704-9. PMID 18657966 DOI: 10.1016/j.bios.2008.06.034  1
2008 Barbosa RM, Lourenço CF, Santos RM, Pomerleau F, Huettl P, Gerhardt GA, Laranjinha J. In vivo real-time measurement of nitric oxide in anesthetized rat brain. Methods in Enzymology. 441: 351-67. PMID 18554545 DOI: 10.1016/S0076-6879(08)01220-2  1
2008 Ding F, Luan L, Ai Y, Walton A, Gerhardt GA, Gash DM, Grondin R, Zhang Z. Development of a stable, early stage unilateral model of Parkinson's disease in middle-aged rhesus monkeys. Experimental Neurology. 212: 431-9. PMID 18547564 DOI: 10.1016/j.expneurol.2008.04.027  1
2008 Luan L, Ding F, Ai Y, Andersen A, Hardy P, Forman E, Gerhardt GA, Gash DM, Grondin R, Zhang Z. Pharmacological MRI (phMRI) monitoring of treatment in hemiparkinsonian rhesus monkeys. Cell Transplantation. 17: 417-25. PMID 18522244  1
2008 Grondin R, Zhang Z, Ai Y, Ding F, Walton AA, Surgener SP, Gerhardt GA, Gash DM. Intraputamenal infusion of exogenous neurturin protein restores motor and dopaminergic function in the globus pallidus of MPTP-lesioned rhesus monkeys. Cell Transplantation. 17: 373-81. PMID 18522240  1
2008 Xin T, Ai Y, Gerhardt G, Gash D, Zhang Z. Globus pallidus plays a critical role in neurotrophic factor induced functional improvements in hemiparkinsonian monkeys. Biochemical and Biophysical Research Communications. 370: 434-9. PMID 18381061 DOI: 10.1016/j.bbrc.2008.03.108  1
2008 Burmeister JJ, Pomerleau F, Huettl P, Gash CR, Werner CE, Bruno JP, Gerhardt GA. Ceramic-based multisite microelectrode arrays for simultaneous measures of choline and acetylcholine in CNS. Biosensors & Bioelectronics. 23: 1382-9. PMID 18243683 DOI: 10.1016/j.bios.2007.12.013  1
2008 Gash DM, Rutland K, Hudson NL, Sullivan PG, Bing G, Cass WA, Pandya JD, Liu M, Choi DY, Hunter RL, Gerhardt GA, Smith CD, Slevin JT, Prince TS. Trichloroethylene: Parkinsonism and complex 1 mitochondrial neurotoxicity. Annals of Neurology. 63: 184-92. PMID 18157908 DOI: 10.1002/ana.21288  1
2008 Hascup KN, Hascup ER, Pomerleau F, Huettl P, Gerhardt GA. Second-by-second measures of L-glutamate in the prefrontal cortex and striatum of freely moving mice. The Journal of Pharmacology and Experimental Therapeutics. 324: 725-31. PMID 18024788 DOI: 10.1124/jpet.107.131698  1
2008 Grondin R, Zhang Z, Ai Y, Slevint J, Young AB, Gash DM, Gerhardt GA. Direct delivery of GDNF into the non-human primate and human parkinsonian brain: Success and road blocks Cns Regeneration. 223-244. DOI: 10.1016/B978-012373994-0.50011-7  1
2008 Stephens ML, Spencer DD, Cavus I, Hsiao MC, Song D, Deadwyler SA, Hampson RE, Putz D, Quintero JE, Bensalem-Owen MK, Hascup KN, Rutherford EC, Day BK, Nickell JR, Pomerleau F, ... ... Gerhardt GA, et al. Microelectrode-Based Epilepsy Therapy: A Hybrid Neural Prosthesis Incorporating Seizure Prediction and Intervention with Biomimetic Maintenance of Normal Hippocampal Function Computational Neuroscience in Epilepsy. 559-586. DOI: 10.1016/B978-012373649-9.50036-3  1
2008 Tresco PA, Gerhardt GA. The biotic-abiotic interface Brain-Computer Interfaces: An International Assessment of Research and Development Trends. 31-45. DOI: 10.1007/978-1-4020-8705-9_3  1
2008 Gerhardt GA, Tresco PA. Sensor technology Brain-Computer Interfaces: An International Assessment of Research and Development Trends. 7-29. DOI: 10.1007/978-1-4020-8705-9_2  1
2008 Berger TW, Chapin JK, Gerhardt GA, McFarland DJ, Principe JC, Soussou WV, Taylor DM, Tresco PA. Brain-computer interfaces: An international assessment of research and development trends Brain-Computer Interfaces: An International Assessment of Research and Development Trends. 1-281. DOI: 10.1007/978-1-4020-8705-9  1
2007 Gash DM, Chen Y, Gerhardt G. Neurotrophic factors and Parkinson's disease. Handbook of Clinical Neurology. 83: 521-33. PMID 18808932 DOI: 10.1016/S0072-9752(07)83025-9  1
2007 Wickens JR, Tripp G, Gerhardt GA. Neurobiology of attention-deficit hyperactivity disorder (ADHD): from gene to therapy. Journal of Neuroscience Methods. 166: 293. PMID 17963845 DOI: 10.1016/j.jneumeth.2007.09.011  1
2007 Quintero JE, Day BK, Zhang Z, Grondin R, Stephens ML, Huettl P, Pomerleau F, Gash DM, Gerhardt GA. Amperometric measures of age-related changes in glutamate regulation in the cortex of rhesus monkeys. Experimental Neurology. 208: 238-46. PMID 17927982 DOI: 10.1016/j.expneurol.2007.08.002  1
2007 Smith CD, Walton A, Slevin JT, Gerhardt GA, Umberger G, Smoot K, Schulze E, Gash D. Validation studies of the human movement analysis panel for hand/arm performance. Journal of Neuroscience Methods. 165: 287-96. PMID 17651810 DOI: 10.1016/j.jneumeth.2007.06.015  1
2007 Rutherford EC, Pomerleau F, Huettl P, Strömberg I, Gerhardt GA. Chronic second-by-second measures of L-glutamate in the central nervous system of freely moving rats. Journal of Neurochemistry. 102: 712-22. PMID 17630982 DOI: 10.1111/j.1471-4159.2007.04596.x  1
2007 Thomas TC, Kruzich PJ, Joyce BM, Gash CR, Suchland K, Surgener SP, Rutherford EC, Grandy DK, Gerhardt GA, Glaser PE. Dopamine D4 receptor knockout mice exhibit neurochemical changes consistent with decreased dopamine release. Journal of Neuroscience Methods. 166: 306-14. PMID 17449106 DOI: 10.1016/j.jneumeth.2007.03.009  1
2007 Slevin JT, Gash DM, Smith CD, Gerhardt GA, Kryscio R, Chebrolu H, Walton A, Wagner R, Young AB. Unilateral intraputamenal glial cell line-derived neurotrophic factor in patients with Parkinson disease: response to 1 year of treatment and 1 year of withdrawal. Journal of Neurosurgery. 106: 614-20. PMID 17432712 DOI: 10.3171/jns.2007.106.4.614  1
2007 Joyce BM, Glaser PE, Gerhardt GA. Adderall produces increased striatal dopamine release and a prolonged time course compared to amphetamine isomers. Psychopharmacology. 191: 669-77. PMID 17031708 DOI: 10.1007/s00213-006-0550-9  1
2007 Nickell J, Salvatore MF, Pomerleau F, Apparsundaram S, Gerhardt GA. Reduced plasma membrane surface expression of GLAST mediates decreased glutamate regulation in the aged striatum. Neurobiology of Aging. 28: 1737-48. PMID 16959378 DOI: 10.1016/j.neurobiolaging.2006.07.015  1
2007 Cass WA, Grondin R, Andersen AH, Zhang Z, Hardy PA, Hussey-Andersen LK, Rayens WS, Gerhardt GA, Gash DM. Iron accumulation in the striatum predicts aging-related decline in motor function in rhesus monkeys. Neurobiology of Aging. 28: 258-71. PMID 16442671 DOI: 10.1016/j.neurobiolaging.2005.12.010  1
2007 Stanford JA, Salvatore MF, Joyce BM, Zhang H, Gash DM, Gerhardt GA. Bilateral effects of unilateral intrastriatal GDNF on locomotor-excited and nonlocomotor-related striatal neurons in aged F344 rats. Neurobiology of Aging. 28: 156-65. PMID 16314001 DOI: 10.1016/j.neurobiolaging.2005.10.015  1
2007 Crunelli V, Gerhardt G. Editorial Journal of Neuroscience Methods. 163: 189. DOI: 10.1016/j.jneumeth.2007.05.015  1
2006 Bruno JP, Gash C, Martin B, Zmarowski A, Pomerleau F, Burmeister J, Huettl P, Gerhardt GA. Second-by-second measurement of acetylcholine release in prefrontal cortex. The European Journal of Neuroscience. 24: 2749-57. PMID 17156201 DOI: 10.1111/j.1460-9568.2006.05176.x  1
2006 Fernandez E, Koek W, Ran Q, Gerhardt GA, France CP, Strong R. Monoamine metabolism and behavioral responses to ethanol in mitochondrial aldehyde dehydrogenase knockout mice. Alcoholism, Clinical and Experimental Research. 30: 1650-8. PMID 17010132 DOI: 10.1111/j.1530-0277.2006.00200.x  1
2006 Salvatore MF, Ai Y, Fischer B, Zhang AM, Grondin RC, Zhang Z, Gerhardt GA, Gash DM. Point source concentration of GDNF may explain failure of phase II clinical trial. Experimental Neurology. 202: 497-505. PMID 16962582 DOI: 10.1016/j.expneurol.2006.07.015  1
2006 Zhang Z, Andersen AH, Ai Y, Loveland A, Hardy PA, Gerhardt GA, Gash DM. Assessing nigrostriatal dysfunctions by pharmacological MRI in parkinsonian rhesus macaques. Neuroimage. 33: 636-43. PMID 16949305 DOI: 10.1016/j.neuroimage.2006.07.004  1
2006 Slevin JT, Gerhardt GA, Smith CD, Gash DM, Young AB. Reply: GDNF poses troubling questions for doctors, drug maker. Annals of Neurology. 59: 989-90. PMID 16718700 DOI: 10.1002/ana.20880  1
2006 Slevin JT, Gash DM, Smith CD, Gerhardt GA, Kryscio R, Chebrolu H, Walton A, Wagner R, Young AB. Unilateral intraputaminal glial cell line-derived neurotrophic factor in patients with Parkinson disease: response to 1 year each of treatment and withdrawal. Neurosurgical Focus. 20: E1. PMID 16711657 DOI: 10.3171/foc.2006.20.5.2  1
2006 Penn RD, Dalvi A, Slevin J, Young B, Gash D, Gerhardt G, Hutchinson M. GDNF in treatment of Parkinson's disease: response to editorial. The Lancet. Neurology. 5: 202-3. PMID 16488374 DOI: 10.1016/S1474-4422(06)70360-X  0.32
2006 Lang AE, Langston JW, Stoessl AJ, Brodsky M, Brooks DJ, Dhawan V, Elias WJ, Lozano AM, Moro E, Nutt JG, Stacy M, Turner D, Wooten GF. GDNF in treatment of Parkinson's disease: response to editorial. The Lancet. Neurology. 5: 200-2. PMID 16488373 DOI: 10.1016/S1474-4422(06)70359-3  1
2006 Chebrolu H, Slevin JT, Gash DA, Gerhardt GA, Young B, Given CA, Smith CD. MRI volumetric and intensity analysis of the cerebellum in Parkinson's disease patients infused with glial-derived neurotrophic factor (GDNF). Experimental Neurology. 198: 450-6. PMID 16455079 DOI: 10.1016/j.expneurol.2005.12.021  1
2006 Glaser PE, Surgener SP, Grondin R, Gash CR, Palmer M, Castellanos FX, Gerhardt GA. Cerebellar neurotransmission in attention-deficit/hyperactivity disorder: does dopamine neurotransmission occur in the cerebellar vermis? Journal of Neuroscience Methods. 151: 62-7. PMID 16451810 DOI: 10.1016/j.jneumeth.2005.09.019  1
2006 Day BK, Pomerleau F, Burmeister JJ, Huettl P, Gerhardt GA. Microelectrode array studies of basal and potassium-evoked release of L-glutamate in the anesthetized rat brain. Journal of Neurochemistry. 96: 1626-35. PMID 16441510 DOI: 10.1111/j.1471-4159.2006.03673.x  1
2006 Castellanos FX, Glaser PE, Gerhardt GA. Towards a neuroscience of attention-deficit/hyperactivity disorder: fractionating the phenotype. Journal of Neuroscience Methods. 151: 1-4. PMID 16427130 DOI: 10.1016/j.jneumeth.2005.11.002  1
2005 Ledo A, Barbosa RM, Gerhardt GA, Cadenas E, Laranjinha J. Concentration dynamics of nitric oxide in rat hippocampal subregions evoked by stimulation of the NMDA glutamate receptor. Proceedings of the National Academy of Sciences of the United States of America. 102: 17483-8. PMID 16293699 DOI: 10.1073/pnas.0503624102  1
2005 Berger TW, Ahuja A, Courellis SH, Deadwyler SA, Erinjippurath G, Gerhardt GA, Gholmieh G, Granacki JJ, Hampson R, Hsaio MC, LaCoss J, Marmarelis VZ, Nasiatka P, Srinivasan V, Song D, et al. Restoring lost cognitive function. Ieee Engineering in Medicine and Biology Magazine : the Quarterly Magazine of the Engineering in Medicine & Biology Society. 24: 30-44. PMID 16248115 DOI: 10.1109/MEMB.2005.1511498  1
2005 Salvatore MF, Fisher B, Surgener SP, Gerhardt GA, Rouault T. Neurochemical investigations of dopamine neuronal systems in iron-regulatory protein 2 (IRP-2) knockout mice. Brain Research. Molecular Brain Research. 139: 341-7. PMID 16051392 DOI: 10.1016/j.molbrainres.2005.06.002  1
2005 Gash DM, Zhang Z, Ai Y, Grondin R, Coffey R, Gerhardt GA. Trophic factor distribution predicts functional recovery in parkinsonian monkeys. Annals of Neurology. 58: 224-33. PMID 16049934 DOI: 10.1002/ana.20549  1
2005 Daws LC, Montañez S, Owens WA, Gould GG, Frazer A, Toney GM, Gerhardt GA. Transport mechanisms governing serotonin clearance in vivo revealed by high-speed chronoamperometry. Journal of Neuroscience Methods. 143: 49-62. PMID 15763136 DOI: 10.1016/j.jneumeth.2004.09.011  1
2005 Slevin JT, Gerhardt GA, Smith CD, Gash DM, Kryscio R, Young B. Research on Parkinson disease. Journal of Neurosurgery. 102: 401. PMID 15739575  1
2005 Slevin JT, Gerhardt GA, Smith CD, Gash DM, Kryscio R, Young B. Improvement of bilateral motor functions in patients with Parkinson disease through the unilateral intraputaminal infusion of glial cell line-derived neurotrophic factor. Journal of Neurosurgery. 102: 216-22. PMID 15739547 DOI: 10.3171/jns.2005.102.2.0216  1
2005 Glaser PE, Thomas TC, Joyce BM, Castellanos FX, Gerhardt GA. Differential effects of amphetamine isomers on dopamine release in the rat striatum and nucleus accumbens core. Psychopharmacology. 178: 250-8. PMID 15719230 DOI: 10.1007/s00213-004-2012-6  1
2005 Burmeister JJ, Palmer M, Gerhardt GA. L-lactate measures in brain tissue with ceramic-based multisite microelectrodes. Biosensors & Bioelectronics. 20: 1772-9. PMID 15681193 DOI: 10.1016/j.bios.2004.07.003  1
2005 Nickell J, Pomerleau F, Allen J, Gerhardt GA. Age-related changes in the dynamics of potassium-evoked L-glutamate release in the striatum of Fischer 344 rats. Journal of Neural Transmission (Vienna, Austria : 1996). 112: 87-96. PMID 15599607 DOI: 10.1007/s00702-004-0151-x  1
2005 Berger TW, Granacki JJ, Marmarelis VZ, Tanguay AR, Deadwyler SA, Gerhardt GA. Implantable biomimetic electronics as neural prostheses for lost cognitive function Proceedings of the International Joint Conference On Neural Networks. 5: 3109-3114. DOI: 10.1109/IJCNN.2005.1556423  1
2005 Ferreira NR, Ledo A, Frade JG, Gerhardt GA, Laranjinha J, Barbosa RM. Electrochemical measurement of endogenously produced nitric oxide in brain slices using Nafion/o-phenylenediamine modified carbon fiber microelectrodes Analytica Chimica Acta. 535: 1-7. DOI: 10.1016/j.aca.2004.12.017  1
2004 Burmeister JJ, Coates TD, Gerhardt GA. Multisite microelectrode arrays for measurements of multiple neurochemicals. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 7: 5348-51. PMID 17271550 DOI: 10.1109/IEMBS.2004.1404493  1
2004 Maswood N, Young J, Tilmont E, Zhang Z, Gash DM, Gerhardt GA, Grondin R, Roth GS, Mattison J, Lane MA, Carson RE, Cohen RM, Mouton PR, Quigley C, Mattson MP, et al. Caloric restriction increases neurotrophic factor levels and attenuates neurochemical and behavioral deficits in a primate model of Parkinson's disease. Proceedings of the National Academy of Sciences of the United States of America. 101: 18171-6. PMID 15604149 DOI: 10.1073/pnas.0405831102  1
2004 Zaman V, Nelson ME, Gerhardt GA, Rohrer B. Neurodegenerative alterations in the nigrostriatal system of trkB hypomorphic mice. Experimental Neurology. 190: 337-46. PMID 15530873 DOI: 10.1016/j.expneurol.2004.08.002  1
2004 Parikh V, Pomerleau F, Huettl P, Gerhardt GA, Sarter M, Bruno JP. Rapid assessment of in vivo cholinergic transmission by amperometric detection of changes in extracellular choline levels. The European Journal of Neuroscience. 20: 1545-54. PMID 15355321 DOI: 10.1111/j.1460-9568.2004.03614.x  1
2004 Salvatore MF, Zhang JL, Large DM, Wilson PE, Gash CR, Thomas TC, Haycock JW, Bing G, Stanford JA, Gash DM, Gerhardt GA. Striatal GDNF administration increases tyrosine hydroxylase phosphorylation in the rat striatum and substantia nigra. Journal of Neurochemistry. 90: 245-54. PMID 15198683 DOI: 10.1111/j.1471-4159.2004.02496.x  1
2004 Zuch CL, David D, Ujhelyi L, Hudson JL, Gerhardt GA, Kaplan PL, Bickford PC. Beneficial effects of intraventricularly administered BMP-7 following a striatal 6-hydroxydopamine lesion. Brain Research. 1010: 10-6. PMID 15126112 DOI: 10.1016/j.brainres.2003.12.058  1
2004 Moxon KA, Leiser SC, Gerhardt GA, Barbee KA, Chapin JK. Ceramic-based multisite electrode arrays for chronic single-neuron recording. Ieee Transactions On Bio-Medical Engineering. 51: 647-56. PMID 15072219 DOI: 10.1109/TBME.2003.821037  1
2004 Stanford JA, Gerhardt GA. Aged F344 rats exhibit altered electrophysiological activity in locomotor-unrelated but not locomotor-related striatal neurons. Neurobiology of Aging. 25: 509-15. PMID 15013572 DOI: 10.1016/S0197-4580(03)00128-3  1
2004 Salvatore MF, Hudspeth O, Arnold LE, Wilson PE, Stanford JA, MacTutus CF, Booze RM, Gerhardt GA. Prenatal cocaine exposure alters potassium-evoked dopamine release dynamics in rat striatum. Neuroscience. 123: 481-90. PMID 14698755 DOI: 10.1016/j.neuroscience.2003.10.002  1
2003 Pomerleau F, Day BK, Huettl P, Burmeister JJ, Gerhardt GA. Real time in vivo measures of L-glutamate in the rat central nervous system using ceramic-based multisite microelectrode arrays. Annals of the New York Academy of Sciences. 1003: 454-7. PMID 14684487 DOI: 10.1196/annals.1300.051  1
2003 Grondin R, Zhang Z, Ai Y, Gash DM, Gerhardt GA. Intracranial delivery of proteins and peptides as a therapy for neurodegenerative diseases. Progress in Drug Research. Fortschritte Der Arzneimittelforschung. ProgrèS Des Recherches Pharmaceutiques. 61: 101-23. PMID 14674610  1
2003 Salvatore MF, Apparsundaram S, Gerhardt GA. Decreased plasma membrane expression of striatal dopamine transporter in aging. Neurobiology of Aging. 24: 1147-54. PMID 14643386 DOI: 10.1016/S0197-4580(03)00129-5  1
2003 Purdom MS, Stanford JA, Gerhardt GA. Differential effects of post-implantation time on potassium- versus D-amphetamine-evoked dopamine overflow in the striatum of F344 rats. Neuroscience Letters. 348: 97-100. PMID 12902027 DOI: 10.1016/S0304-3940(03)00737-7  1
2003 Freund RK, Gerhardt GA, Marshall KE, Palmer MR. Differences in norepinephrine clearance in cerebellar slices from low-alcohol-sensitive and high-alcohol-sensitive rats. Alcohol (Fayetteville, N.Y.). 30: 9-18. PMID 12878270 DOI: 10.1016/S0741-8329(03)00098-3  1
2003 Purdom MS, Stanford JA, Currier TD, Gerhardt GA. Microdialysis studies of D-amphetamine-evoked striatal dopamine overflow in young versus aged F344 rats: effects of concentration and order of administration. Brain Research. 979: 203-9. PMID 12850587 DOI: 10.1016/S0006-8993(03)02922-6  1
2003 Zaman V, Li Z, Middaugh L, Ramamoorthy S, Rohrer B, Nelson ME, Tomac AC, Hoffer BJ, Gerhardt GA, Granholm ACh. The noradrenergic system of aged GDNF heterozygous mice. Cell Transplantation. 12: 291-303. PMID 12797383  1
2003 Sabeti J, Gerhardt GA, Zahniser NR. Chloral hydrate and ethanol, but not urethane, alter the clearance of exogenous dopamine recorded by chronoamperometry in striatum of unrestrained rats. Neuroscience Letters. 343: 9-12. PMID 12749985 DOI: 10.1016/S0304-3940(03)00301-X  1
2003 Ai Y, Markesbery W, Zhang Z, Grondin R, Elseberry D, Gerhardt GA, Gash DM. Intraputamenal infusion of GDNF in aged rhesus monkeys: distribution and dopaminergic effects. The Journal of Comparative Neurology. 461: 250-61. PMID 12724841 DOI: 10.1002/cne.10689  1
2003 Moxon KA, Gerhardt GA, Adler LE. Dopaminergic modulation of the P50 auditory-evoked potential in a computer model of the CA3 region of the hippocampus: its relationship to sensory gating in schizophrenia. Biological Cybernetics. 88: 265-75. PMID 12690485 DOI: 10.1007/s00422-002-0372-8  1
2003 Moxon KA, Gerhardt GA, Gulinello M, Adler LE. Inhibitory control of sensory gating in a computer model of the CA3 region of the hippocampus. Biological Cybernetics. 88: 247-64. PMID 12690484 DOI: 10.1007/s00422-002-0373-7  1
2003 Sabeti J, Gerhardt GA, Zahniser NR. Individual differences in cocaine-induced locomotor sensitization in low and high cocaine locomotor-responding rats are associated with differential inhibition of dopamine clearance in nucleus accumbens. The Journal of Pharmacology and Experimental Therapeutics. 305: 180-90. PMID 12649367 DOI: 10.1124/jpet.102.047258  1
2003 Grondin R, Cass WA, Zhang Z, Stanford JA, Gash DM, Gerhardt GA. Glial cell line-derived neurotrophic factor increases stimulus-evoked dopamine release and motor speed in aged rhesus monkeys. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 23: 1974-80. PMID 12629203  1
2003 Stanford JA, Vorontsova E, Surgener SP, Gerhardt GA, Fowler SC. Aged Fischer 344 rats exhibit altered orolingual motor function: relationships with nigrostriatal neurochemical measures. Neurobiology of Aging. 24: 259-66. PMID 12498959 DOI: 10.1016/S0197-4580(02)00083-0  1
2003 Burmeister JJ, Gerhardt GA. Ceramic-based multisite microelectrode arrays for in vivo electrochemical recordings of glutamate and other neurochemicals Trac - Trends in Analytical Chemistry. 22: 498-502. DOI: 10.1016/S0165-9936(03)00904-X  1
2003 Coates TD, Hampson R, Deadwyler S, Gerhardt GA. Microfabricated Ceramic Sensor Arrays for Direct Interfacing to Deep Brain Structures in Primates Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 4: 3694-3697.  1
2003 Hampson RE, Coates TD, Gerhardt GA, Deadwyler SA. Ceramic-Based Microelectrode Neuronal Recordings in the Rat and Monkey Annual International Conference of the Ieee Engineering in Medicine and Biology - Proceedings. 4: 3700-3703.  1
2002 Stanford JA, Vorontsova E, Surgener SP, Gerhardt GA, Fowler SC. Aged Fischer 344 rats exhibit altered locomotion in the absence of decreased locomotor activity: exacerbation by nomifensine. Neuroscience Letters. 333: 195-8. PMID 12429381 DOI: 10.1016/S0304-3940(02)01105-9  1
2002 Montañez S, Daws LC, Gould GG, Gerhardt GA, Frazer A. Differential in vivo clearance of serotonin in rat dorsal raphe nucleus and CA3 region. Brain Research. 955: 236-44. PMID 12419542 DOI: 10.1016/S0006-8993(02)03470-4  1
2002 Sabeti J, Adams CE, Burmeister J, Gerhardt GA, Zahniser NR. Kinetic analysis of striatal clearance of exogenous dopamine recorded by chronoamperometry in freely-moving rats. Journal of Neuroscience Methods. 121: 41-52. PMID 12393160 DOI: 10.1016/S0165-0270(02)00229-7  1
2002 Maswood N, Grondin R, Zhang Z, Stanford JA, Surgener SP, Gash DM, Gerhardt GA. Effects of chronic intraputamenal infusion of glial cell line-derived neurotrophic factor (GDNF) in aged Rhesus monkeys. Neurobiology of Aging. 23: 881-9. PMID 12392792 DOI: 10.1016/S0197-4580(02)00022-2  1
2002 Burmeister JJ, Pomerleau F, Palmer M, Day BK, Huettl P, Gerhardt GA. Improved ceramic-based multisite microelectrode for rapid measurements of L-glutamate in the CNS. Journal of Neuroscience Methods. 119: 163-71. PMID 12323420 DOI: 10.1016/S0165-0270(02)00172-3  1
2002 Grondin R, Zhang Z, Yi A, Cass WA, Maswood N, Andersen AH, Elsberry DD, Klein MC, Gerhardt GA, Gash DM. Chronic, controlled GDNF infusion promotes structural and functional recovery in advanced parkinsonian monkeys. Brain : a Journal of Neurology. 125: 2191-201. PMID 12244077  1
2002 Andersen AH, Zhang Z, Barber T, Rayens WS, Zhang J, Grondin R, Hardy P, Gerhardt GA, Gash DM. Functional MRI studies in awake rhesus monkeys: methodological and analytical strategies. Journal of Neuroscience Methods. 118: 141-52. PMID 12204305 DOI: 10.1016/S0165-0270(02)00123-1  1
2002 Sabeti J, Gerhardt GA, Zahniser NR. Acute cocaine differentially alters accumbens and striatal dopamine clearance in low and high cocaine locomotor responders: behavioral and electrochemical recordings in freely moving rats. The Journal of Pharmacology and Experimental Therapeutics. 302: 1201-11. PMID 12183681 DOI: 10.1124/jpet.102.035816  1
2002 McGrath J, Lintz E, Hoffer BJ, Gerhardt GA, Quintero EM, Granholm AC. Adeno-associated viral delivery of GDNF promotes recovery of dopaminergic phenotype following a unilateral 6-hydroxydopamine lesion. Cell Transplantation. 11: 215-27. PMID 12075987  1
2002 Partridge JG, Apparsundaram S, Gerhardt GA, Ronesi J, Lovinger DM. Nicotinic acetylcholine receptors interact with dopamine in induction of striatal long-term depression. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 22: 2541-9. PMID 11923419  1
2002 Stanford JA, Currier TD, Gerhardt GA. Acute locomotor effects of fluoxetine, sertraline, and nomifensine in young versus aged Fischer 344 rats. Pharmacology, Biochemistry, and Behavior. 71: 325-32. PMID 11812540 DOI: 10.1016/S0091-3057(01)00694-3  1
2002 Stanford JA, Gash CR, Gerhardt GA. Aged F344 rats exhibit an increased proportion of dopamine agonist-excited striatal neurons. Neurobiology of Aging. 23: 263-70. PMID 11804712 DOI: 10.1016/S0197-4580(01)00284-6  1
2002 Gerhardt GA, Cass WA, Yi A, Zhang Z, Gash DM. Changes in somatodendritic but not terminal dopamine regulation in aged rhesus monkeys. Journal of Neurochemistry. 80: 168-77. PMID 11796755 DOI: 10.1046/j.0022-3042.2001.00684.x  1
2001 Grondin R, Zhang Z, Elsberry DD, Gerhardt GA, Gash DM. Chronic Intracerebral Delivery of Trophic Factors via a Programmable Pump as a Treatment for Parkinsonism. Methods in Molecular Medicine. 62: 257-67. PMID 21318781 DOI: 10.1385/1-59259-142-6:257  0.6
2001 Zhang Z, Andersen A, Grondin R, Barber T, Avison R, Gerhardt G, Gash D. Pharmacological MRI mapping of age-associated changes in basal ganglia circuitry of awake rhesus monkeys. Neuroimage. 14: 1159-67. PMID 11697947 DOI: 10.1006/nimg.2001.0902  1
2001 Granholm AC, Helt C, Srivastava N, Backman C, Gerhardt GA. Effects of age and GDNF on noradrenergic innervation of the hippocampal formation: studies from intraocular grafts. Microscopy Research and Technique. 54: 298-308. PMID 11514986 DOI: 10.1002/jemt.1142  1
2001 Gerhardt GA, Hoffman AF. Effects of recording media composition on the responses of Nafion-coated carbon fiber microelectrodes measured using high-speed chronoamperometry. Journal of Neuroscience Methods. 109: 13-21. PMID 11489295 DOI: 10.1016/S0165-0270(01)00396-X  1
2001 Helt CE, Hoernig GR, Albeck DS, Gerhardt GA, Ickes B, Reyland ME, Quissell DO, Strömberg I, Granholm AC. Neuroprotection of grafted neurons with a GDNF/caspase inhibitor cocktail. Experimental Neurology. 170: 258-69. PMID 11476591 DOI: 10.1006/exnr.2001.7709  1
2001 Stanford JA, Gerhardt GA. Age-related changes in striatal function of freely-moving F344 rats. Neurobiology of Aging. 22: 659-69. PMID 11445266 DOI: 10.1016/S0197-4580(00)00257-8  1
2001 Stanford JA, Currier TD, Purdom MS, Gerhardt GA. Nomifensine reveals age-related changes in K(+)-evoked striatal DA overflow in F344 rats. Neurobiology of Aging. 22: 495-502. PMID 11378257 DOI: 10.1016/S0197-4580(00)00243-8  1
2001 Burmeister JJ, Gerhardt GA. Self-referencing ceramic-based multisite microelectrodes for the detection and elimination of interferences from the measurement of L-glutamate and other analytes. Analytical Chemistry. 73: 1037-42. PMID 11289414 DOI: 10.1021/ac0010429  1
2001 Palmer MR, Granholm AC, van Horne CG, Giardina KE, Freund RK, Moorhead JW, Gerhardt GA. Intranigral transplantation of solid tissue ventral mesencephalon or striatal grafts induces behavioral recovery in 6-OHDA-lesioned rats. Brain Research. 890: 86-99. PMID 11164771 DOI: 10.1016/S0006-8993(00)03084-5  1
2000 Crunelli V, Gerhardt G. The 100th volume of the journal of neuroscience methods Journal of Neuroscience Methods. 100: 1. PMID 11040359 DOI: 10.1016/S0165-0270(00)00273-9  1
2000 Zhang Z, Andersen A, Smith C, Grondin R, Gerhardt G, Gash D. Motor slowing and parkinsonian signs in aging rhesus monkeys mirror human aging. The Journals of Gerontology. Series a, Biological Sciences and Medical Sciences. 55: B473-80. PMID 11034220  1
2000 Daws LC, Gould GG, Teicher SD, Gerhardt GA, Frazer A. 5-HT(1B) receptor-mediated regulation of serotonin clearance in rat hippocampus in vivo. Journal of Neurochemistry. 75: 2113-22. PMID 11032901 DOI: 10.1046/j.1471-4159.2000.0752113.x  1
2000 Giardina KE, Stevens JO, Elsberry DD, Gerhardt GA. Long-term infusion of nonphysiologic solutions into brain parenchyma: effects of pH, osmolarity, and flow rate. Comparative Medicine. 50: 398-404. PMID 11020158  0.4
2000 Grondin R, Zhang Z, Gerhardt GA, Gash DM. Dopaminergic therapy improves upper limb motor performance in aged rhesus monkeys. Annals of Neurology. 48: 250-3. PMID 10939577 DOI: 10.1002/1531-8249(200008)48:2<250::AID-ANA16>3.0.CO;2-1  1
2000 Stanford JA, Giardina K, Gerhardt GA. In vivo microdialysis studies of age-related alterations in potassium-evoked overflow of dopamine in the dorsal striatum of Fischer 344 rats. International Journal of Developmental Neuroscience : the Official Journal of the International Society For Developmental Neuroscience. 18: 411-6. PMID 10817924 DOI: 10.1016/S0736-5748(00)00009-5  1
2000 Granholm AC, Reyland M, Albeck D, Sanders L, Gerhardt G, Hoernig G, Shen L, Westphal H, Hoffer B. Glial cell line-derived neurotrophic factor is essential for postnatal survival of midbrain dopamine neurons. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 20: 3182-90. PMID 10777782  1
2000 Zhang Z, Andersen AH, Avison MJ, Gerhardt GA, Gash DM. Functional MRI of apomorphine activation of the basal ganglia in awake rhesus monkeys. Brain Research. 852: 290-6. PMID 10678755 DOI: 10.1016/S0006-8993(99)02243-X  1
2000 Burmeister JJ, Moxon K, Gerhardt GA. Ceramic-based multisite microelectrodes for electrochemical recordings. Analytical Chemistry. 72: 187-92. PMID 10655652 DOI: 10.1021/ac9907991  1
1999 Frazer A, Gerhardt GA, Daws LC. New views of biogenic amine transporter function: implications for neuropsychopharmacology. The International Journal of Neuropsychopharmacology / Official Scientific Journal of the Collegium Internationale Neuropsychopharmacologicum (Cinp). 2: 305-320. PMID 11285147 DOI: 10.1017/S1461145799001625  1
1999 Benmansour S, Cecchi M, Morilak DA, Gerhardt GA, Javors MA, Gould GG, Frazer A. Effects of chronic antidepressant treatments on serotonin transporter function, density, and mRNA level. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 19: 10494-501. PMID 10575045  1
1999 Smith CD, Umberger GH, Manning EL, Slevin JT, Wekstein DR, Schmitt FA, Markesbery WR, Zhang Z, Gerhardt GA, Kryscio RJ, Gash DM. Critical decline in fine motor hand movements in human aging. Neurology. 53: 1458-61. PMID 10534251  1
1999 Gash DM, Zhang Z, Umberger G, Mahood K, Smith M, Smith C, Gerhardt GA. An automated movement assessment panel for upper limb motor functions in rhesus monkeys and humans. Journal of Neuroscience Methods. 89: 111-7. PMID 10491941 DOI: 10.1016/S0165-0270(99)00051-5  1
1999 Daws LC, Gerhardt GA, Frazer A. 5-HT1B antagonists modulate clearance of extracellular serotonin in rat hippocampus. Neuroscience Letters. 266: 165-8. PMID 10465699 DOI: 10.1016/S0304-3940(99)00277-3  1
1999 Kish LJ, Palmer MR, Gerhardt GA. Multiple single-unit recordings in the striatum of freely moving animals: effects of apomorphine and D-amphetamine in normal and unilateral 6-hydroxydopamine-lesioned rats. Brain Research. 833: 58-70. PMID 10375677 DOI: 10.1016/S0006-8993(99)01496-1  1
1999 Moxon KA, Gerhardt GA, Bickford PC, Austin K, Rose GM, Woodward DJ, Adler LE. Multiple single units and population responses during inhibitory gating of hippocampal auditory response in freely-moving rats. Brain Research. 825: 75-85. PMID 10216175 DOI: 10.1016/S0006-8993(99)01187-7  1
1999 Hoffman AF, Gerhardt GA. Differences in pharmacological properties of dopamine release between the substantia nigra and striatum: an in vivo electrochemical study. The Journal of Pharmacology and Experimental Therapeutics. 289: 455-63. PMID 10087038  1
1999 Zahniser NR, Larson GA, Gerhardt GA. In vivo dopamine clearance rate in rat striatum: regulation by extracellular dopamine concentration and dopamine transporter inhibitors. The Journal of Pharmacology and Experimental Therapeutics. 289: 266-77. PMID 10087014  1
1999 Gerhardt GA, Ksir C, Pivik C, Dickinson SD, Sabeti J, Zahniser NR. Methodology for coupling local application of dopamine and other chemicals with rapid in vivo electrochemical recordings in freely-moving rats. Journal of Neuroscience Methods. 87: 67-76. PMID 10065995 DOI: 10.1016/S0165-0270(98)00158-7  1
1999 Hebert MA, Larson GA, Zahniser NR, Gerhardt GA. Age-related reductions in [3H]WIN 35,428 binding to the dopamine transporter in nigrostriatal and mesolimbic brain regions of the fischer 344 rat. The Journal of Pharmacology and Experimental Therapeutics. 288: 1334-9. PMID 10027875  1
1999 Hoffman AF, Zahniser NR, Lupica CR, Gerhardt GA. Voltage-dependency of the dopamine transporter in the rat substantia nigra. Neuroscience Letters. 260: 105-8. PMID 10025710 DOI: 10.1016/S0304-3940(98)00951-3  1
1999 Hebert MA, Gerhardt GA. Age-related changes in the capacity, rate, and modulation of dopamine uptake within the striatum and nucleus accumbens of Fischer 344 rats: an in vivo electrochemical study. The Journal of Pharmacology and Experimental Therapeutics. 288: 879-87. PMID 9918602  0.68
1999 Nagamoto HT, Adler LE, McRae KA, Huettl P, Cawthra E, Gerhardt G, Hea R, Griffith J. Auditory P50 in schizophrenics on clozapine: improved gating parallels clinical improvement and changes in plasma 3-methoxy-4-hydroxyphenylglycol. Neuropsychobiology. 39: 10-7. PMID 9892854  0.92
1999 Gerhardt GA, Cass WA, Huettl P, Brock S, Zhang Z, Gash DM. GDNF improves dopamine function in the substantia nigra but not the putamen of unilateral MPTP-lesioned rhesus monkeys. Brain Research. 817: 163-71. PMID 9889359 DOI: 10.1016/S0006-8993(98)01244-X  1
1999 Dickinson SD, Sabeti J, Larson GA, Giardina K, Rubinstein M, Kelly MA, Grandy DK, Low MJ, Gerhardt GA, Zahniser NR. Dopamine D2 receptor-deficient mice exhibit decreased dopamine transporter function but no changes in dopamine release in dorsal striatum. Journal of Neurochemistry. 72: 148-56. PMID 9886065 DOI: 10.1046/j.1471-4159.1999.0720148.x  1
1998 Smith DA, Hoffman AF, David DJ, Adams CE, Gerhardt GA. Nicotine-evoked nitric oxide release in the rat hippocampal slice. Neuroscience Letters. 255: 127-30. PMID 9832189  0.96
1998 Hoffman AF, Lupica CR, Gerhardt GA. Dopamine transporter activity in the substantia nigra and striatum assessed by high-speed chronoamperometric recordings in brain slices. The Journal of Pharmacology and Experimental Therapeutics. 287: 487-96. PMID 9808671  1
1998 David DJ, Zahniser NR, Hoffer BJ, Gerhardt GA. In vivo electrochemical studies of dopamine clearance in subregions of rat nucleus accumbens: differential properties of the core and shell. Experimental Neurology. 153: 277-86. PMID 9784287 DOI: 10.1006/exnr.1998.6898  0.96
1998 Zahniser NR, Dickinson SD, Gerhardt GA. High-speed chronoamperometric electrochemical measurements of dopamine clearance. Methods in Enzymology. 296: 708-19. PMID 9779484 DOI: 10.1016/S0076-6879(98)96050-5  1
1998 Gash DM, Zhang Z, Gerhardt G. Neuroprotective and neurorestorative properties of GDNF. Annals of Neurology. 44: S121-5. PMID 9749583  1
1998 Daws LC, Toney GM, Gerhardt GA, Frazer A. In vivo chronoamperometric measures of extracellular serotonin clearance in rat dorsal hippocampus: contribution of serotonin and norepinephrine transporters. The Journal of Pharmacology and Experimental Therapeutics. 286: 967-76. PMID 9694957  1
1998 Hebert MA, Gerhardt GA. Normal and drug-induced locomotor behavior in aging: comparison to evoked DA release and tissue content in fischer 344 rats. Brain Research. 797: 42-54. PMID 9630504  0.68
1998 Yurek DM, Hipkens SB, Hebert MA, Gash DM, Gerhardt GA. Age-related decline in striatal dopamine release and motoric function in brown Norway/Fischer 344 hybrid rats. Brain Research. 791: 246-56. PMID 9593919 DOI: 10.1016/S0006-8993(98)00110-3  1
1998 Granholm AC, Henry S, Herbert MA, Eken S, Gerhardt GA, van Horne C. Kidney cografts enhance fiber outgrowth from ventral mesencephalic grafts to the 6-OHDA-lesioned striatum, and improve behavioral recovery. Cell Transplantation. 7: 197-212. PMID 9588601 DOI: 10.1016/S0963-6897(97)00168-1  1
1998 Kelly MA, Rubinstein M, Phillips TJ, Lessov CN, Burkhart-Kasch S, Zhang G, Bunzow JR, Fang Y, Gerhardt GA, Grandy DK, Low MJ. Locomotor activity in D2 dopamine receptor-deficient mice is determined by gene dosage, genetic background, and developmental adaptations. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 18: 3470-9. PMID 9547254  1
1998 Hoffman AF, Gerhardt GA. In vivo electrochemical studies of dopamine clearance in the rat substantia nigra: effects of locally applied uptake inhibitors and unilateral 6-hydroxydopamine lesions. Journal of Neurochemistry. 70: 179-89. PMID 9422361  1
1998 Gash DM, Gerhardt GA, Hoffer BJ. Effects of glial cell line-derived neurotrophic factor on the nigrostriatal dopamine system in rodents and nonhuman primates. Advances in Pharmacology (San Diego, Calif.). 42: 911-5. PMID 9328046 DOI: 10.1016/S1054-3589(08)60895-9  1
1998 Zahniser NR, Gerhardt GA, Hoffman AF, Lupica CR. Voltage-dependency of the dopamine transporter in rat brain. Advances in Pharmacology (San Diego, Calif.). 42: 195-8. PMID 9327877 DOI: 10.1016/S1054-3589(08)60726-7  1
1997 Daws LC, Toney GM, Davis DJ, Gerhardt GA, Frazer A. In vivo chronoamperometric measurements of the clearance of exogenously applied serotonin in the rat dentate gyrus. Journal of Neuroscience Methods. 78: 139-50. PMID 9497010 DOI: 10.1016/S0165-0270(97)00144-1  1
1997 Wang Y, Palmer MR, Cline EJ, Gerhardt GA. Effects of ethanol on striatal dopamine overflow and clearance: an in vivo electrochemical study. Alcohol (Fayetteville, N.Y.). 14: 593-601. PMID 9401676 DOI: 10.1016/S0741-8329(97)00054-2  1
1997 Granholm AC, Mott JL, Bowenkamp K, Eken S, Henry S, Hoffer BJ, Lapchak PA, Palmer MR, van Horne C, Gerhardt GA. Glial cell line-derived neurotrophic factor improves survival of ventral mesencephalic grafts to the 6-hydroxydopamine lesioned striatum. Experimental Brain Research. 116: 29-38. PMID 9305812 DOI: 10.1007/PL00005741  1
1997 Samson HH, Hodge CW, Erickson HL, Niehus JS, Gerhardt GA, Kalivas PW, Floyd EA. The effects of local application of ethanol in the n. accumbens on dopamine overflow and clearance. Alcohol (Fayetteville, N.Y.). 14: 485-92. PMID 9305464 DOI: 10.1016/S0741-8329(96)00216-9  1
1997 Diao LH, Bickford PC, Stevens JO, Cline EJ, Gerhardt GA. Caloric restriction enhances evoked DA overflow in striatum and nucleus accumbens of aged Fischer 344 rats. Brain Research. 763: 276-80. PMID 9296572 DOI: 10.1016/S0006-8993(97)00494-0  1
1997 Luthman J, Friedemann MN, Hoffer BJ, Gerhardt GA. In vivo electrochemical measurements of serotonin clearance in rat striatum: effects of neonatal 6-hydroxydopamine-induced serotonin hyperinnervation and serotonin uptake inhibitors. Journal of Neural Transmission (Vienna, Austria : 1996). 104: 379-97. PMID 9295172 DOI: 10.1007/BF01277658  1
1997 Hoffman AF, van Horne CG, Eken S, Hoffer BJ, Gerhardt GA. In vivo microdialysis studies on somatodendritic dopamine release in the rat substantia nigra: effects of unilateral 6-OHDA lesions and GDNF. Experimental Neurology. 147: 130-41. PMID 9294410 DOI: 10.1006/exnr.1997.6571  1
1997 Bickford PC, Adams CE, Boyson SJ, Curella P, Gerhardt GA, Heron C, Ivy GO, Lin AM, Murphy MP, Poth K, Wallace DR, Young DA, Zahniser NR, Rose GM. Long-term treatment of male F344 rats with deprenyl: assessment of effects on longevity, behavior, and brain function. Neurobiology of Aging. 18: 309-18. PMID 9263197 DOI: 10.1016/S0197-4580(97)80313-2  1
1997 Hebert MA, Gerhardt GA. Behavioral and neurochemical effects of intranigral administration of glial cell line-derived neurotrophic factor on aged Fischer 344 rats. The Journal of Pharmacology and Experimental Therapeutics. 282: 760-8. PMID 9262339  0.68
1997 Srivastava N, Granholm AC, Gerhardt GA. Collateral sprouting of central noradrenergic neurons during aging: histochemical and neurochemical studies in intraocular triple transplants. Experimental Neurology. 145: 524-35. PMID 9217088 DOI: 10.1006/exnr.1997.6485  1
1997 Lin AM, Bickford PC, Palmer MR, Cline EJ, Gerhardt GA. Effects of ethanol and nomifensine on NE clearance in the cerebellum of young and aged Fischer 344 rats. Brain Research. 756: 287-92. PMID 9187345 DOI: 10.1016/S0006-8993(97)00229-1  1
1996 Sreenivas G, Ang SS, Fritsch I, Brown WD, Gerhardt GA, Woodward DJ. Fabrication and characterization of sputtered-carbon microelectrode arrays. Analytical Chemistry. 68: 1858-64. PMID 21619097 DOI: 10.1021/ac9508816  1
1996 Hebert MA, Van Horne CG, Hoffer BJ, Gerhardt GA. Functional effects of GDNF in normal rat striatum: presynaptic studies using in vivo electrochemistry and microdialysis. The Journal of Pharmacology and Experimental Therapeutics. 279: 1181-90. PMID 8968339  1
1996 Flach KA, Adler LE, Gerhardt GA, Miller C, Bickford P, MacGregor RJ. Sensory gating in a computer model of the CA3 neural network of the hippocampus. Biological Psychiatry. 40: 1230-45. PMID 8959288 DOI: 10.1016/0006-3223(95)00624-9  0.6
1996 Friedemann MN, Robinson SW, Gerhardt GA. o-Phenylenediamine-modified carbon fiber electrodes for the detection of nitric oxide. Analytical Chemistry. 68: 2621-8. PMID 8694261  0.68
1996 Gash DM, Zhang Z, Ovadia A, Cass WA, Yi A, Simmerman L, Russell D, Martin D, Lapchak PA, Collins F, Hoffer BJ, Gerhardt GA. Functional recovery in parkinsonian monkeys treated with GDNF. Nature. 380: 252-5. PMID 8637574 DOI: 10.1038/380252a0  1
1996 Friedemann MN, Gerhardt GA. In vivo electrochemical studies of the dynamic effects of locally applied excitatory amino acids in the striatum of the anesthetized rat. Experimental Neurology. 138: 53-63. PMID 8593896 DOI: 10.1006/exnr.1996.0046  0.68
1996 Gerhardt GA, Cass WA, Hudson J, Henson M, Zhang Z, Ovadia A, Hoffer BJ, Gash DM. In vivo electrochemical studies of dopamine overflow and clearance in the striatum of normal and MPTP-treated rhesus monkeys. Journal of Neurochemistry. 66: 579-88. PMID 8592127  1
1995 Gash DM, Zhang Z, Cass WA, Ovadia A, Simmerman L, Martin D, Russell D, Collins F, Hoffer BJ, Gerhardt GA. Morphological and functional effects of intranigrally administered GDNF in normal rhesus monkeys. The Journal of Comparative Neurology. 363: 345-58. PMID 8847404 DOI: 10.1002/cne.903630302  1
1995 Gerhardt GA, Cass WA, Henson M, Zhang Z, Ovadia A, Hoffer BJ, Gash DM. Age-related changes in potassium-evoked overflow of dopamine in the striatum of the rhesus monkey. Neurobiology of Aging. 16: 939-46. PMID 8622785 DOI: 10.1016/0197-4580(95)02013-6  1
1995 Cass WA, Friedemann MN, deBernardis JF, Kerkman DJ, Gerhardt GA. Effects of the putative antidepressant, ABT 200, on the clearance of exogenous norepinephrine in rat cerebellum. Synapse (New York, N.Y.). 21: 77-84. PMID 8525465 DOI: 10.1002/syn.890210111  1
1995 Cass WA, Gerhardt GA. In vivo assessment of dopamine uptake in rat medial prefrontal cortex: comparison with dorsal striatum and nucleus accumbens. Journal of Neurochemistry. 65: 201-7. PMID 7790861  1
1995 Cass WA, Gerhardt GA, Zhang Z, Ovadia A, Gash DM. Increased dopamine clearance in the non-lesioned striatum of rhesus monkeys with unilateral 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) striatal lesions. Neuroscience Letters. 185: 52-5. PMID 7731554 DOI: 10.1016/0304-3940(94)11223-6  1
1995 Bäckman C, Biddle PT, Ebendal T, Friden PM, Gerhardt GA, Henry MA, Mackerlova L, Söderström S, Strömberg I, Walus L. Effects of transferrin receptor antibody-NGF conjugate on young and aged septal transplants in oculo. Experimental Neurology. 132: 1-15. PMID 7720818 DOI: 10.1016/0014-4886(95)90037-3  1
1995 Hudson J, Granholm AC, Gerhardt GA, Henry MA, Hoffman A, Biddle P, Leela NS, Mackerlova L, Lile JD, Collins F. Glial cell line-derived neurotrophic factor augments midbrain dopaminergic circuits in vivo. Brain Research Bulletin. 36: 425-32. PMID 7712205 DOI: 10.1016/0361-9230(94)00224-O  1
1995 Ksir C, Mellor G, Hart C, Gerhardt GA. Nicotine enhances dopamine clearance in rat nucleus accumbens. Progress in Neuro-Psychopharmacology & Biological Psychiatry. 19: 151-6. PMID 7708927 DOI: 10.1016/0278-5846(94)00111-T  1
1995 Cline EJ, Adams CE, Larson GA, Gerhardt GA, Zahniser NR. Medial dorsal striatum is more sensitive than lateral dorsal striatum to cocaine inhibition of exogenous dopamine clearance: relation to [3H]mazindol binding, but not striosome/matrix. Experimental Neurology. 134: 135-49. PMID 7672034 DOI: 10.1006/exnr.1995.1044  1
1995 Bowenkamp KE, Hoffman AF, Gerhardt GA, Henry MA, Biddle PT, Hoffer BJ, Granholm AC. Glial cell line-derived neurotrophic factor supports survival of injured midbrain dopaminergic neurons. The Journal of Comparative Neurology. 355: 479-89. PMID 7636027 DOI: 10.1002/cne.903550402  1
1994 Moore PA, Weissburg MJ, Parrish JM, Zimmer-Faust RK, Gerhardt GA. Spatial distribution of odors in simulated benthic boundary layer flows. Journal of Chemical Ecology. 20: 255-79. PMID 24242052 DOI: 10.1007/BF02064435  1
1994 Granholm AC, Bäckman C, Bloom F, Ebendal T, Gerhardt GA, Hoffer B, Mackerlova L, Olson L, Söderström S, Walus LR. NGF and anti-transferrin receptor antibody conjugate: short and long-term effects on survival of cholinergic neurons in intraocular septal transplants. The Journal of Pharmacology and Experimental Therapeutics. 268: 448-59. PMID 8301587  1
1994 Luthman J, Lindqvist E, Gerhardt GA, Olson L, Hoffer BH. Alterations in central monoamine systems after postnatal lead acetate treatment in rats. Environmental Research. 65: 100-18. PMID 8162877 DOI: 10.1006/enrs.1994.1024  1
1994 Sullivan RM, Wilson DA, Lemon C, Gerhardt GA. Bilateral 6-OHDA lesions of the locus coeruleus impair associative olfactory learning in newborn rats. Brain Research. 643: 306-9. PMID 8032925 DOI: 10.1016/0006-8993(94)90038-8  1
1994 Issa F, Kirch DG, Gerhardt GA, Bartko JJ, Suddath RL, Freedman R, Wyatt RJ. A multidimensional approach to analysis of cerebrospinal fluid biogenic amines in schizophrenia: II. Correlations with psychopathology. Psychiatry Research. 52: 251-8. PMID 7991719  0.32
1994 Issa F, Gerhardt GA, Bartko JJ, Suddath RL, Lynch M, Gamache PH, Freedman R, Wyatt RJ, Kirch DG. A multidimensional approach to analysis of cerebrospinal fluid biogenic amines in schizophrenia: I. Comparisons with healthy control subjects and neuroleptic-treated/unmedicated pairs analyses. Psychiatry Research. 52: 237-49. PMID 7991718  0.32
1994 Draski LJ, Nash DJ, Gerhardt GA. CNS monoamine levels and motoric behaviors in the hotfoot ataxic mutant. Brain Research. 645: 69-77. PMID 7914819 DOI: 10.1016/0006-8993(94)91639-X  1
1994 Hoffer BJ, Hoffman A, Bowenkamp K, Huettl P, Hudson J, Martin D, Lin LF, Gerhardt GA. Glial cell line-derived neurotrophic factor reverses toxin-induced injury to midbrain dopaminergic neurons in vivo. Neuroscience Letters. 182: 107-11. PMID 7891873 DOI: 10.1016/0304-3940(94)90218-6  1
1994 Cass WA, Gerhardt GA. Direct in vivo evidence that D2 dopamine receptors can modulate dopamine uptake. Neuroscience Letters. 176: 259-63. PMID 7830960 DOI: 10.1016/0304-3940(94)90096-5  1
1993 Cass WA, Gerhardt GA, Gillespie K, Curella P, Mayfield RD, Zahniser NR. Reduced clearance of exogenous dopamine in rat nucleus accumbens, but not in dorsal striatum, following cocaine challenge in rats withdrawn from repeated cocaine administration. Journal of Neurochemistry. 61: 273-83. PMID 8515274  1
1993 Firestone JA, Gerhardt GA, DeBernardis JF, McKelvy JF, Browning MD. Actions of A-75200, a novel catecholamine uptake inhibitor, on norepinephrine uptake and release from bovine adrenal chromaffin cells. The Journal of Pharmacology and Experimental Therapeutics. 264: 1206-10. PMID 8450458  0.36
1993 Luthman J, Friedemann MN, Hoffer BJ, Gerhardt GA. In vivo electrochemical measurements of exogenous dopamine clearance in normal and neonatal 6-hydroxydopamine-treated rat striatum. Experimental Neurology. 122: 273-82. PMID 8405264 DOI: 10.1006/exnr.1993.1127  1
1993 Hudson JL, van Horne CG, Strömberg I, Brock S, Clayton J, Masserano J, Hoffer BJ, Gerhardt GA. Correlation of apomorphine- and amphetamine-induced turning with nigrostriatal dopamine content in unilateral 6-hydroxydopamine lesioned rats. Brain Research. 626: 167-74. PMID 8281427 DOI: 10.1016/0006-8993(93)90576-9  1
1993 Cass WA, Zahniser NR, Flach KA, Gerhardt GA. Clearance of exogenous dopamine in rat dorsal striatum and nucleus accumbens: role of metabolism and effects of locally applied uptake inhibitors. Journal of Neurochemistry. 61: 2269-78. PMID 8245977 DOI: 10.1111/j.1471-4159.1993.tb07469.x  1
1993 Lin AM, Bickford PC, Palmer MR, Gerhardt GA. Ethanol inhibits the uptake of exogenous norepinephrine from the extracellular space of the rat cerebellum. Neuroscience Letters. 164: 71-5. PMID 8152619 DOI: 10.1016/0304-3940(93)90860-N  1
1993 Luthman J, Friedemann M, Bickford P, Olson L, Hoffer BJ, Gerhardt GA. In vivo electrochemical measurements and electrophysiological studies of rat striatum following neonatal 6-hydroxydopamine treatment. Neuroscience. 52: 677-87. PMID 7680793 DOI: 10.1016/0306-4522(93)90416-D  1
1992 Cass WA, Gerhardt GA, Mayfield RD, Curella P, Zahniser NR. Differences in dopamine clearance and diffusion in rat striatum and nucleus accumbens following systemic cocaine administration. Journal of Neurochemistry. 59: 259-66. PMID 1613502  1
1992 Friedemann MN, Gerhardt GA. Regional effects of aging on dopaminergic function in the Fischer-344 rat. Neurobiology of Aging. 13: 325-32. PMID 1522947  0.68
1992 Bickford P, Heron C, Young DA, Gerhardt GA, De La Garza R. Impaired acquisition of novel locomotor tasks in aged and norepinephrine-depleted F344 rats. Neurobiology of Aging. 13: 475-81. PMID 1508298  0.6
1992 van Horne C, Hoffer BJ, Strömberg I, Gerhardt GA. Clearance and diffusion of locally applied dopamine in normal and 6-hydroxydopamine-lesioned rat striatum. The Journal of Pharmacology and Experimental Therapeutics. 263: 1285-92. PMID 1469634  1
1992 Waldo M, Gerhardt G, Baker N, Drebing C, Adler L, Freedman R. Auditory sensory gating and catecholamine metabolism in schizophrenic and normal subjects. Psychiatry Research. 44: 21-32. PMID 1461944 DOI: 10.1016/0165-1781(92)90066-C  1
1992 Miller CL, Bickford PC, Luntz-Leybman V, Adler LE, Gerhardt GA, Freedman R. Phencyclidine and auditory sensory gating in the hippocampus of the rat. Neuropharmacology. 31: 1041-8. PMID 1436386 DOI: 10.1016/0028-3908(92)90106-Y  1
1992 Granholm AC, Gerhardt GA, Bygdeman M, Strömberg I. Human fetal xenografts of brainstem tissue containing locus coeruleus neurons: functional and structural studies of intraocular grafts in athymic nude rats. Experimental Neurology. 118: 7-17. PMID 1397178 DOI: 10.1016/0014-4886(92)90017-K  1
1992 Zahniser NR, Mayfield RD, Cass WA, Gerhardt GA. Cocaine administration: D1 dopamine receptor function and dopamine clearance/diffusion in rat striatum and nucleus accumbens. Annals of the New York Academy of Sciences. 654: 537-9. PMID 1385936  1
1992 Williams PJ, Dunwiddie TV, Gerhardt GA. Direct in vitro electrochemical measurement of dopamine overflow in intermediate pituitary: characterization and pharmacology. The Journal of Pharmacology and Experimental Therapeutics. 261: 403-11. PMID 1349639  1
1992 Hoffer BJ, Leenders KL, Young D, Gerhardt G, Zerbe GO, Bygdeman M, Seiger A, Olson L, Strömberg I, Freedman R. Eighteen-month course of two patients with grafts of fetal dopamine neurons for severe Parkinson's disease. Experimental Neurology. 118: 243-52. PMID 1306484 DOI: 10.1016/0014-4886(92)90181-O  1
1991 Bickford-Wimer P, Pang K, Rose GM, Gerhardt GA. Electrically-evoked release of norepinephrine in the rat cerebellum: an in vivo electrochemical and electrophysiological study. Brain Research. 558: 305-11. PMID 1782547 DOI: 10.1016/0006-8993(91)90782-Q  1
1991 Gerhardt GA, Palmer MR, Granholm AC. Age-induced changes in single locus coeruleus brain transplants grown in oculo: an in vivo electrochemical study. Neurobiology of Aging. 12: 487-94. PMID 1685219 DOI: 10.1016/0197-4580(91)90078-X  1
1991 Strömberg I, van Horne C, Bygdeman M, Weiner N, Gerhardt GA. Function of intraventricular human mesencephalic xenografts in immunosuppressed rats: an electrophysiological and neurochemical analysis. Experimental Neurology. 112: 140-52. PMID 1674693 DOI: 10.1016/0014-4886(91)90064-J  1
1991 Huettl P, Gerhardt GA, Browning MD, Masserano JM. Effects of dopamine receptor agonists and antagonists on catecholamine release in bovine chromaffin cells. The Journal of Pharmacology and Experimental Therapeutics. 257: 567-74. PMID 1674528  0.92
1990 Su MT, Dunwiddie TV, Gerhardt GA. Combined electrochemical and electrophysiological studies of monoamine overflow in rat hippocampal slices. Brain Research. 518: 149-58. PMID 2390719 DOI: 10.1016/0006-8993(90)90966-F  1
1990 Adler LE, Gerhardt GA, Franks R, Baker N, Nagamoto H, Drebing C, Freedman R. Sensory physiology and catecholamines in schizophrenia and mania. Psychiatry Research. 31: 297-309. PMID 2333360 DOI: 10.1016/0165-1781(90)90099-Q  1
1990 Su MT, Dunwiddie TV, Mynlieff M, Gerhardt GA. Electrochemical characterization of stimulated norepinephrine overflow in locus coeruleus-hippocampus double brain grafts grown in oculo. Neuroscience Letters. 110: 186-92. PMID 2325884 DOI: 10.1016/0304-3940(90)90809-N  1
1990 Baker NJ, Staunton M, Adler LE, Gerhardt GA, Drebing C, Waldo M, Nagamoto H, Freedman R. Sensory gating deficits in psychiatric inpatients: relation to catecholamine metabolites in different diagnostic groups. Biological Psychiatry. 27: 519-28. PMID 2310807 DOI: 10.1016/0006-3223(90)90443-6  1
1990 van Horne CG, Bement S, Hoffer BJ, Gerhardt GA. Multichannel semiconductor-based electrodes for in vivo electrochemical and electrophysiological studies in rat CNS. Neuroscience Letters. 120: 249-52. PMID 2293112 DOI: 10.1016/0304-3940(90)90051-A  1
1990 Mynlieff M, Curella P, Zahniser NR, Gerhardt GA, Seiger A, Dunwiddie TV. Regulation of adrenergic receptors in intraocular hippocampal transplants: role of noradrenergic innervation. Synapse (New York, N.Y.). 6: 113-20. PMID 1978418 DOI: 10.1002/syn.890060202  1
1989 Gerhardt GA, Friedemann M, Brodie MS, Vickroy TW, Gratton AP, Hoffer BJ, Rose GM. The effects of cholecystokinin (CCK-8) on dopamine-containing nerve terminals in the caudate nucleus and nucleus accumbens of the anesthetized rat: an in vivo electrochemical study. Brain Research. 499: 157-63. PMID 2804664 DOI: 10.1016/0006-8993(89)91146-3  1
1989 Drebing CJ, Freedman R, Waldo M, Gerhardt GA. Unconjugated methoxylated catecholamine metabolites in human saliva. Quantitation methodology and comparison with plasma levels. Biomedical Chromatography : Bmc. 3: 217-20. PMID 2804429 DOI: 10.1002/bmc.1130030509  1
1989 Gratton A, Hoffer BJ, Gerhardt GA. In vivo electrochemical studies of monoamine release in the medial prefrontal cortex of the rat. Neuroscience. 29: 57-64. PMID 2710348 DOI: 10.1016/0306-4522(89)90332-1  1
1989 Mahalik TJ, Strömberg I, Gerhardt GA, Granholm AC, Seiger A, Bygdeman M, Olson L, Hoffer BJ, Finger TE. Human ventral mesencephalic xenografts to the catecholamine-depleted striata of athymic rats: ultrastructure and immunocytochemistry. Synapse (New York, N.Y.). 4: 19-29. PMID 2570467 DOI: 10.1002/syn.890040104  1
1988 Gratton A, Hoffer BJ, Gerhardt GA. Effects of electrical stimulation of brain reward sites on release of dopamine in rat: an in vivo electrochemical study. Brain Research Bulletin. 21: 319-24. PMID 3263894 DOI: 10.1016/0361-9230(88)90247-X  1
1988 Gratton A, Hoffer BJ, Gerhardt GA, Wise RA. Potentiation of morphine-elicited circling by dopaminergic uptake blockade. Pharmacology, Biochemistry, and Behavior. 30: 1077-9. PMID 3227032 DOI: 10.1016/0091-3057(88)90142-6  1
1988 Granholm AC, Gerhardt GA, Moore E, Eriksdotter-Nilsson M, Nylén P, Johnson AC, Henschen A, Shirley MA, Palmer MR, Hoffer BJ. Toluene exposure during maturation of intraocular brain tissue transplants: alterations of host and graft cerebellar Purkinje neuron function and sensitivity to norepinephrine. Toxicology and Applied Pharmacology. 96: 296-304. PMID 3194916 DOI: 10.1016/0041-008X(88)90088-9  1
1987 Granholm AC, Gerhardt GA, Eriksdotter-Nilsson M, Bickford-Wimer PC, Palmer MR, Seiger A, Olson L, Hoffer BJ. Age-related changes in cerebellar noradrenergic pre- and postsynaptic mechanisms: intrinsic vs extrinsic determinants evaluated with brain grafts in oculo. Brain Research. 423: 71-8. PMID 3676821 DOI: 10.1016/0006-8993(87)90826-2  1
1987 Gerhardt GA, Rose GM, Hoffer BJ. In vivo electrochemical demonstration of potassium-evoked monoamine release from rat cerebellum. Brain Research. 413: 327-35. PMID 3607482 DOI: 10.1016/0006-8993(87)91024-9  1
1985 Rice ME, Gerhardt GA, Hierl PM, Nagy G, Adams RN. Diffusion coefficients of neurotransmitters and their metabolites in brain extracellular fluid space. Neuroscience. 15: 891-902. PMID 2866468 DOI: 10.1016/0306-4522(85)90087-9  1
1984 Gerhardt GA, Oke AF, Nagy G, Moghaddam B, Adams RN. Nafion-coated electrodes with high selectivity for CNS electrochemistry. Brain Research. 290: 390-5. PMID 6692152 DOI: 10.1016/0006-8993(84)90963-6  1
1984 Gerhardt GA, Palmer MR, Seiger A, Adams RN, Olson L, Hoffer BJ. Adrenergic transmission in hippocampus-locus coeruleus double grafts in oculo: demonstration by in vivo electrochemical detection. Brain Research. 306: 319-25. PMID 6087976 DOI: 10.1016/0006-8993(84)90381-0  1
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