Erwin Josef Speckmann - Publications

Affiliations: 
Physiology University of Munster, Münster, Nordrhein-Westfalen, Germany 

125 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, 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
2020 Saft C, Speckmann E. Antiepileptic effects of cobalt, manganese and magnesium on bicuculline-induced epileptiform activity in hippocampal neurons. Brain Research. 1732: 146684. PMID 32001242 DOI: 10.1016/J.Brainres.2020.146684  0.315
2019 Bonnet U, Bingmann D, Speckmann E, Wiemann M. Levetiracetam mediates subtle pH-shifts in adult human neocortical pyramidal cells via an inhibition of the bicarbonate-driven neuronal pH-regulation – Implications for excitability and plasticity modulation Brain Research. 1710: 146-156. DOI: 10.1016/J.Brainres.2018.12.039  0.337
2018 Jafarian M, Modarres Mousavi SM, Alipour F, Aligholi H, Noorbakhsh F, Ghadipasha M, Gharehdaghi J, Kellinghaus C, Kovac S, Khaleghi Ghadiri M, Meuth SG, Speckmann EJ, Stummer W, Gorji A. Cell injury and receptor expression in the epileptic human amygdala. Neurobiology of Disease. 124: 416-427. PMID 30590180 DOI: 10.1016/J.Nbd.2018.12.017  0.304
2018 Bonnet U, Bingmann D, Speckmann E, Wiemann M. Small intraneuronal acidification via short-chain monocarboxylates: First evidence of an inhibitory action on over-excited human neocortical neurons. Life Sciences. 204: 65-70. PMID 29730171 DOI: 10.1016/J.Lfs.2018.05.005  0.375
2018 Kovac S, Speckmann E, Gorji A. Uncensored EEG: The role of DC potentials in neurobiology of the brain. Progress in Neurobiology. 51-65. PMID 29428834 DOI: 10.1016/J.Pneurobio.2018.02.001  0.308
2018 Bonnet U, Bingmann D, Speckmann E, Wiemann M. Aging is associated with a mild acidification in neocortical human neurons in vitro. Journal of Neural Transmission. 125: 1495-1501. DOI: 10.1007/S00702-018-1904-2  0.331
2017 Herold C, Bidmon HJ, Pannek HW, Hans V, Gorji A, Speckmann EJ, Zilles K. ATPase N-ethylmaleimide-sensitive Fusion Protein: a novel key player for causing spontaneous network excitation in human temporal lobe epilepsy. Neuroscience. PMID 29262299 DOI: 10.1016/J.Neuroscience.2017.12.013  0.336
2017 Graebenitz S, Cerina M, Lesting J, Kedo O, Gorji A, Pannek H, Hans V, Zilles K, Pape HC, Speckmann EJ. Directional spread of activity in synaptic networks of the human lateral amygdala. Neuroscience. PMID 28315444 DOI: 10.1016/J.Neuroscience.2017.03.009  0.389
2016 Bastany ZJ, Askari S, Dumont GA, Speckmann EJ, Gorji A. Non-invasive monitoring of spreading depression. Neuroscience. 333: 1-12. PMID 27397413 DOI: 10.1016/J.Neuroscience.2016.06.056  0.319
2015 Sajadian A, Esteghamat S, Karimzadeh F, Eshaghabadi A, Sieg F, Speckmann EJ, Meuth S, Seidenbecher T, Budde T, Gorji A. Anticonvulsant effect of neural regeneration peptide 2945 on pentylenetetrazol-induced seizures in rats. Neuropeptides. 49: 15-23. PMID 25481799 DOI: 10.1016/J.Npep.2014.11.002  0.368
2014 Eickhoff M, Kovac S, Shahabi P, Ghadiri MK, Dreier JP, Stummer W, Speckmann EJ, Pape HC, Gorji A. Spreading depression triggers ictaform activity in partially disinhibited neuronal tissues. Experimental Neurology. 253: 1-15. PMID 24368193 DOI: 10.1016/J.Expneurol.2013.12.008  0.444
2014 Kazemi H, Speckmann EJ, Gorji A. Familial hemiplegic migraine and spreading depression Iranian Journal of Child Neurology. 8: 6-11. DOI: 10.22037/Ijcn.V8I3.5144  0.319
2014 Martens-Mantai T, Speckmann EJ, Gorji A. Propagation of cortical spreading depression into the hippocampus: The role of the entorhinal cortex Synapse. 68: 574-584. DOI: 10.1002/Syn.21769  0.328
2012 Supcun B, Ghadiri MK, Zeraati M, Stummer W, Speckmann EJ, Gorji A. The effects of tetanic stimulation on plasticity of remote synapses in the hippocampus-perirhinal cortex-amygdala network Synapse. 66: 965-974. PMID 22886744 DOI: 10.1002/Syn.21591  0.333
2012 Ghadiri MK, Kozian M, Ghaffarian N, Stummer W, Kazemi H, Speckmann EJ, Gorji A. Sequential changes in neuronal activity in single neocortical neurons after spreading depression Cephalalgia. 32: 116-124. PMID 22174359 DOI: 10.1177/0333102411431308  0.321
2012 Dreier JP, Major S, Pannek HW, Woitzik J, Scheel M, Wiesenthal D, Martus P, Winkler MK, Hartings JA, Fabricius M, Speckmann EJ, Gorji A. Spreading convulsions, spreading depolarization and epileptogenesis in human cerebral cortex. Brain : a Journal of Neurology. 135: 259-75. PMID 22120143 DOI: 10.1093/Brain/Awr303  0.408
2012 Kazemi H, Rahgozar M, Speckmann EJ, Gorji A. Effect of cannabinoid receptor activation on spreading depression Iranian Journal of Basic Medical Sciences. 15: 926-936. DOI: 10.22038/Ijbms.2012.4880  0.333
2011 Graebenitz S, Kedo O, Speckmann EJ, Gorji A, Panneck H, Hans V, Palomero-Gallagher N, Schleicher A, Zilles K, Pape HC. Interictal-like network activity and receptor expression in the epileptic human lateral amygdala. Brain : a Journal of Neurology. 134: 2929-47. PMID 21893592 DOI: 10.1093/Brain/Awr202  0.322
2009 Gorji A, Speckmann EJ. Epileptiform EEG spikes and their functional significance Clinical Eeg and Neuroscience. 40: 230-233. PMID 19780343 DOI: 10.1177/155005940904000404  0.391
2009 Ghadiri MK, Tutam Y, Wassmann H, Speckmann E, Gorji A. Periodic fasting alters neuronal excitability in rat neocortical and hippocampal tissues. Neurobiology of Disease. 36: 384-392. PMID 19699303 DOI: 10.1016/J.Nbd.2009.08.004  0.413
2008 Dehbandi S, Speckmann EJ, Pape HC, Gorji A. Cortical spreading depression modulates synaptic transmission of the rat lateral amygdala. The European Journal of Neuroscience. 27: 2057-65. PMID 18412626 DOI: 10.1111/J.1460-9568.2008.06188.X  0.329
2008 Goda M, Kovac S, Speckmann EJ, Gorji A. Glutamate and dopamine receptors contribute to the lateral spread of epileptiform discharges in rat neocortical slices Epilepsia. 49: 237-247. PMID 17941841 DOI: 10.1111/J.1528-1167.2007.01385.X  0.312
2007 Daoud D, Scheld HH, Speckmann EJ, Gorji A. Rapamycin: Brain excitability studied in vitro Epilepsia. 48: 834-836. PMID 17284292 DOI: 10.1111/J.1528-1167.2006.00976.X  0.345
2006 Wölfer J, Bantel C, Köhling R, Speckmann EJ, Wassmann H, Greiner C. Electrophysiology in ischemic neocortical brain slices: species differences vs. influences of anaesthesia and preparation. The European Journal of Neuroscience. 23: 1795-800. PMID 16623836 DOI: 10.1111/J.1460-9568.2006.04696.X  0.319
2006 Wernsmann B, Pape HC, Speckmann EJ, Gorji A. Effect of cortical spreading depression on synaptic transmission of rat hippocampal tissues. The European Journal of Neuroscience. 23: 1103-10. PMID 16553774 DOI: 10.1111/J.1460-9568.2006.04643.X  0.361
2006 Gorji A, Stemmer N, Rambeck B, Jürgens U, May T, Pannek HW, Behne F, Ebner A, Straub H, Speckmann EJ. Neocortical microenvironment in patients with intractable epilepsy: potassium and chloride concentrations. Epilepsia. 47: 297-310. PMID 16499753 DOI: 10.1111/J.1528-1167.2006.00421.X  0.318
2006 Köhling R, Senner V, Paulus W, Speckmann EJ. Epileptiform activity preferentially arises outside tumor invasion zone in glioma xenotransplants. Neurobiology of Disease. 22: 64-75. PMID 16309916 DOI: 10.1016/J.Nbd.2005.10.001  0.341
2005 Gorji A, Straub H, Speckmann EJ. Epilepsy surgery: Perioperative investigations of intractable epilepsy Anatomy and Embryology. 210: 525-537. PMID 16180018 DOI: 10.1007/S00429-005-0043-3  0.301
2005 Koch UR, Musshoff U, Pannek HW, Ebner A, Wolf P, Speckmann EJ, Köhling R. Intrinsic excitability, synaptic potentials, and short-term plasticity in human epileptic neocortex. Journal of Neuroscience Research. 80: 715-26. PMID 15880382 DOI: 10.1002/Jnr.20498  0.382
2005 Redecker C, Hagemann G, Köhling R, Straub H, Witte OW, Speckmann EJ. Optical imaging of epileptiform activity in experimentally induced cortical malformations. Experimental Neurology. 192: 288-98. PMID 15755546 DOI: 10.1016/J.Expneurol.2004.11.018  0.506
2004 Rüschenschmidt C, Straub H, Köhling R, Siep E, Gorji A, Speckmann EJ. Reduction of human neocortical and guinea pig CA1-neuron A-type currents by organic calcium channel blockers. Neuroscience Letters. 368: 57-62. PMID 15342134 DOI: 10.1016/J.Neulet.2004.06.058  0.363
2004 Gorji A, Speckmann EJ. Spreading depression enhances the spontaneous epileptiform activity in human neocortical tissues European Journal of Neuroscience. 19: 3371-3374. PMID 15217393 DOI: 10.1111/J.0953-816X.2004.03436.X  0.357
2004 Senner V, Köhling R, Püttmann-Cyrus S, Straub H, Paulus W, Speckmann EJ. A new neurophysiological/neuropathological ex vivo model localizes the origin of glioma-associated epileptogenesis in the invasion area. Acta Neuropathologica. 107: 1-7. PMID 13680280 DOI: 10.1007/S00401-003-0771-5  0.306
2003 Greiner C, Röhl J, Ali-Gorji, Wassmann H, Speckmann E. Different actions of γ-hydroxybutyrate: A critical outlook Neurological Research. 25: 759-763. PMID 14579796 DOI: 10.1179/016164103101202138  0.303
2003 Musshoff U, Speckmann EJ. Diurnal actions of melatonin on epileptic activity in hippocampal slices of rats Life Sciences. 73: 2603-2610. PMID 12967684 DOI: 10.1016/S0024-3205(03)00614-3  0.35
2003 Madeja M, Margineanu DG, Gorji A, Siep E, Boerrigter P, Klitgaard H, Speckmann E. Reduction of voltage-operated potassium currents by levetiracetam: a novel antiepileptic mechanism of action? Neuropharmacology. 45: 661-671. PMID 12941379 DOI: 10.1016/S0028-3908(03)00248-X  0.37
2003 Hülsmann S, Straub H, Richter DW, Speckmann EJ. Blockade of astrocyte metabolism causes delayed excitation as revealed by voltage-sensitive dyes in mouse brainstem slices. Experimental Brain Research. 150: 117-21. PMID 12698224 DOI: 10.1007/S00221-003-1410-Z  0.37
2003 Greiner C, Wölfer J, Hülsmann S, Vanhatalo S, Köhling R, Pannek HW, Speckmann EJ, Wassmann H. Bioelectrical behaviour of hypoxic human neocortical tissue under the influence of nimodipine and dimethyl sulfoxide. Brain Research. 959: 199-205. PMID 12493607 DOI: 10.1016/S0006-8993(02)03743-5  0.312
2002 Greiner C, Wölfer J, Wassmann H, Köhling R, Speckmann EJ. Effects of methohexital on bioelectrical reactions in guinea pig hippocampal slices during hypoxia. Neuroscience Letters. 329: 227-31. PMID 12165418 DOI: 10.1016/S0304-3940(02)00649-3  0.321
2002 Musshoff U, Riewenherm D, Berger E, Fauteck JD, Speckmann EJ. Melatonin receptors in rat hippocampus: Molecular and functional investigations Hippocampus. 12: 165-173. PMID 12000116 DOI: 10.1002/Hipo.1105  0.347
2002 Köhling R, Straub H, Speckmann EJ. Postoperative investigations in epilepsy surgery - Bioelectrical analyses with conventional methods and voltage-sensitive dyes Klinische Neurophysiologie. 33: 163-167. DOI: 10.1055/S-2002-34828  0.611
2002 Speckmann EJ, Köhling R. Examinations of live human brain tissues Klinische Neurophysiologie. 33: 119. DOI: 10.1055/s-2002-34825  0.518
2001 Gorji A, Speckmann EJ. Low concentration of DL-2-amino-5-phosphonovalerate induces epileptiform activity in guinea pig hippocampal slices Epilepsia. 42: 1228-1230. PMID 11737156 DOI: 10.1046/J.1528-1157.2001.01301.X  0.333
2001 Gorji A, Madeja M, Straub H, Köhling R, Speckmann EJ. Lowering of the potassium concentration induces epileptiform activity in guinea-pig hippocampal slices. Brain Research. 908: 130-9. PMID 11454323 DOI: 10.1016/S0006-8993(01)02622-1  0.365
2001 Gorji A, Scheller D, Straub H, Tegtmeier F, Köhling R, Höhling JM, Tuxhorn I, Ebner A, Wolf P, Werner Panneck H, Oppel F, Speckmann EJ. Spreading depression in human neocortical slices. Brain Research. 906: 74-83. PMID 11430863 DOI: 10.1016/S0006-8993(01)02557-4  0.352
2001 Madeja M, Wolf C, Speckmann EJ. Reduction of voltage-operated sodium currents by the anticonvulsant drug sulthiame Brain Research. 900: 88-94. PMID 11325350 DOI: 10.1016/S0006-8993(01)02262-4  0.333
2000 Köhling R, Höhling JM, Straub H, Kuhlmann D, Kuhnt U, Tuxhorn I, Ebner A, Wolf P, Pannek HW, Gorji A, Speckmann EJ. Optical monitoring of neuronal activity during spontaneous sharp waves in chronically epileptic human neocortical tissue. Journal of Neurophysiology. 84: 2161-5. PMID 11024103 DOI: 10.1152/Jn.2000.84.4.2161  0.384
2000 Musshoff U, Köhling R, Lücke A, Speckmann E, Tuxhorn I, Wolf P, Pauuek HW, Oppel F. Vigabatrin reduces epileptiform activity in brain slices from pharmacoresistant epilepsy patients. European Journal of Pharmacology. 401: 167-72. PMID 10924922 DOI: 10.1016/S0014-2999(00)00420-9  0.355
2000 Musshoff U, Schünke U, Köhling R, Speckmann EJ. Alternative splicing of the NMDAR1 glutamate receptor subunit in human temporal lobe epilepsy. Brain Research. Molecular Brain Research. 76: 377-84. PMID 10762714 DOI: 10.1016/S0169-328X(00)00030-9  0.324
1999 Tarner IH, Altrup U, Speckmann EJ. Heptanol exerts epileptiform effects in identified neurons of the buccal ganglia of Helix pomatia Neuroscience Letters. 264: 73-76. PMID 10320017 DOI: 10.1016/S0304-3940(99)00173-1  0.351
1999 Hülsmann S, Greiner C, Köhling R, Wölfer J, Moskopp D, Riemann B, Lücke A, Wassmann H, Speckmann EJ. Dimethyl sulfoxide increases latency of anoxic terminal negativity in hippocampal slices of guinea pig in vitro. Neuroscience Letters. 261: 1-4. PMID 10081912 DOI: 10.1016/S0304-3940(98)00999-9  0.337
1998 Speckmann EJ, Köhling R, Lücke A, Straub H, Wittkowski W, Elger CE, Wiemann M, Bingmann D. Microcutting of living brain slices by a pulsed ultrafine water jet which allows simultaneous electrophysiological recordings (micromingotome). Journal of Neuroscience Methods. 82: 53-8. PMID 10223515 DOI: 10.1016/S0165-0270(98)00034-X  0.374
1998 Köhling R, Lücke A, Straub H, Speckmann EJ, Tuxhorn I, Wolf P, Pannek H, Oppel F. Spontaneous sharp waves in human neocortical slices excised from epileptic patients. Brain : a Journal of Neurology. 121: 1073-87. PMID 9648543 DOI: 10.1093/Brain/121.6.1073  0.403
1997 Wiemann M, Altrup U, Speckmann EJ. Epileptic neurons induce augmenting synaptic depolarizations in non- epileptic neurons (buccal ganglia; Helix pomatia) Neuroscience Letters. 237: 101-104. PMID 9453225 DOI: 10.1016/S0304-3940(97)00818-5  0.377
1997 Madeja M, Muβhoff U, Binding N, Witting U, Speckmann E. Effects of Pb2+ on Delayed-Rectifier Potassium Channels in Acutely Isolated Hippocampal Neurons Journal of Neurophysiology. 78: 2649-2654. PMID 9356414 DOI: 10.1152/Jn.1997.78.5.2649  0.31
1997 Madeja M, Musshoff U, Speckmann E. Diversity of Potassium Channels Contributing to Differences in Brain Area-specific Seizure Susceptibility: Sensitivity of Different Potassium Channels to the Epileptogenic Agent Pentylenetetrazol European Journal of Neuroscience. 9: 390-395. PMID 9058058 DOI: 10.1111/J.1460-9568.1997.Tb01408.X  0.33
1996 Lücke A, Köhling R, Speckmann EJ. Effects of glutamate application on the rhythm of low magnesium-induced epileptiform activity in hippocampal slices of guinea-pigs. The European Journal of Neuroscience. 8: 2137-48. PMID 8921305 DOI: 10.1111/J.1460-9568.1996.Tb00735.X  0.587
1996 Binding N, Madeja M, Musshoff U, Neidt U, Altrup U, Speckmann E, Witting U. Prediction of neurotoxic potency of hazardous substances with a modular in vitro test battery Toxicology Letters. 88: 115-120. PMID 8920725 DOI: 10.1016/0378-4274(96)03726-5  0.378
1996 Wiemann M, Jones D, Straub H, Altrup U, Speckmann EJ. Simultaneous blockade of intracellular calcium increases and of neuronal epileptiform depolarizations by verapamil Brain Research. 734: 49-54. PMID 8896807 DOI: 10.1016/0006-8993(96)00576-8  0.359
1996 Köhling R, Lücke A, Straub H, Speckmann EJ. A portable chamber for long-distance transport of surviving human brain slice preparations. Journal of Neuroscience Methods. 67: 233-6. PMID 8872890 DOI: 10.1016/0165-0270(96)00072-6  0.539
1996 Madeja M, Musshoff U, Lorra C, Pongs O, Speckmann EJ. Mechanism of action of the epileptogenic drug pentylenetetrazol on a cloned neuronal potassium channel. Brain Research. 722: 59-70. PMID 8813350 DOI: 10.1016/0006-8993(96)00181-3  0.318
1996 Wiemann M, Wittkowski W, Altrup U, Speckmann EJ. Alterations of neuronal fibers after epileptic activity induced by pentylenetetrazole: Fine structure investigated by calcium cytochemistry and neurobiotin labeling (buccal ganglia, Helix pomatia) Cell and Tissue Research. 286: 43-53. PMID 8781211 DOI: 10.1007/S004410050673  0.336
1996 Fischer B, Muβhoff U, Fauteck J, Madeja M, Wittkowski W, Speckmann E. Expression and functional characterization of a melatonin-sensitive receptor in Xenopus oocytes. Febs Letters. 381: 98-102. PMID 8641448 DOI: 10.1016/0014-5793(96)00090-7  0.307
1996 Klöcker N, Musshoff U, Madeja M, Speckmann EJ. Activation of ATP-sensitive potassium channels in follicle-enclosed xenopus oocytes by the epileptogenic agent pentylenetetrazol. PflüGers Archiv : European Journal of Physiology. 431: 736-40. PMID 8596724 DOI: 10.1007/Bf02253837  0.638
1995 Köhling R, Lücke A, Nagao T, Speckmann EJ, Avoli M. Extracellular potassium elevations in the hippocampus of rats with long-term pilocarpine seizures. Neuroscience Letters. 201: 87-91. PMID 8830321 DOI: 10.1016/0304-3940(95)12136-R  0.518
1995 Fauteck JD, Bockmann J, Böckers TM, Wittkowski W, Köhling R, Lücke A, Straub H, Speckmann EJ, Tuxhorn I, Wolf P. Melatonin reduces low-Mg2+ epileptiform activity in human temporal slices. Experimental Brain Research. 107: 321-5. PMID 8773250 DOI: 10.1007/Bf00230052  0.634
1995 Schulze-Bonhage A, Wiemann M, Altrup U, Wittkowski W, Speckmann E. Epileptic discharges induced by pentylenetetrazol: ultrastructural alterations in identified neurons and glial cells (Helix pomatia). Epilepsy Research. 22: 23-34. PMID 8565964 DOI: 10.1016/0920-1211(95)00031-5  0.363
1995 Madeja M, Binding N, Musshoff U, Pongs O, Witting U, Speckmann EJ. Effects of lead on cloned voltage-operated neuronal potassium channels. Naunyn-Schmiedeberg's Archives of Pharmacology. 351: 320-7. PMID 7541895 DOI: 10.1007/Bf00233254  0.337
1994 Schulze-Bonhage A, Köhling R, Straub H, Speckmann EJ. Flunarizine shows increased antiepileptic efficacy with elevated K+ levels in low magnesium induced epileptic activity (neocortical slices, guinea pig). Neuropharmacology. 33: 613-8. PMID 7936095 DOI: 10.1016/0028-3908(94)90165-1  0.595
1994 Straub H, Köhling R, Speckmann EJ. Picrotoxin-induced epileptic activity in hippocampal and neocortical slices (guinea pig): suppression by organic calcium channel blockers. Brain Research. 658: 119-26. PMID 7834332 DOI: 10.1016/S0006-8993(09)90017-8  0.59
1994 Madeja M, Stocker M, Mußhoff U, Pongs O, Speckmann EJ. Potassium currents in epilepsy: effects of the epileptogenic agent pentylenetetrazol on a cloned potassium channel Brain Research. 656: 287-294. PMID 7820589 DOI: 10.1016/0006-8993(94)91472-9  0.361
1994 Köhling R, Straub H, Speckmann EJ. Spontaneous and stimulus-triggered epileptic discharges: delayed antiepileptic effect with triggering. Experimental Brain Research. 100: 376-84. PMID 7813676 DOI: 10.1007/Bf02738398  0.605
1993 Köhling R, Lehmenkükhler A, Nicholson C, Speckmann EJ. Superfusion of verapamil on the cerebral cortex does not suppress epileptic discharges due to restricted diffusion (rats, in vivo). Brain Research. 626: 149-55. PMID 8281426 DOI: 10.1016/0006-8993(93)90574-7  0.329
1993 Speckmann EJ, Straub H, Köhling R. Contribution of calcium ions to the generation of epileptic activity and antiepileptic calcium antagonism. Neuropsychobiology. 27: 122-6. PMID 8232825 DOI: 10.1159/000118966  0.578
1993 Schulze-Bonhage A, Altrup U, Speckmann EJ, Wittkowski W. Structure and bioelectricity of single neurons of Helix pomatia in the intact nervous tissue during epileptic activity: Simultaneous evaluations by confocal microscopy and intracellular recordings of membrane potential changes Comparative Biochemistry and Physiology -- Part a: Physiology. 106: 537-545. DOI: 10.1016/0300-9629(93)90250-8  0.355
1992 Straub H, Köhling R, Speckmann EJ. Low magnesium induced epileptiform discharges in neocortical slices (guinea pig): increased antiepileptic efficacy of organic calcium antagonist verapamil with elevation of extracellular K+ concentration. Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology. 103: 57-63. PMID 1360377 DOI: 10.1016/0742-8413(92)90228-Y  0.568
1991 Lehmenkühler A, Nicholson C, Speckmann EJ. Threshold extracellular concentration distribution of penicillin for generation of epileptic focus measured by diffusion analysis Brain Research. 561: 292-298. PMID 1802346 DOI: 10.1016/0006-8993(91)91607-3  0.319
1991 Speckmann EJ, Elger CE. The neurophysiological basis of epileptic activity: a condensed overview. Epilepsy Research. Supplement. 2: 1-7. PMID 1760082  0.353
1990 Lücke A, Speckmann EJ, Altrup U, Lehmenkühler A, Walden J. Decrease of free calcium concentration at the outer surface of identified snail neurons during paroxysmal depolarization shifts Neuroscience Letters. 112: 190-193. PMID 2359518 DOI: 10.1016/0304-3940(90)90201-J  0.317
1988 Walden J, Speckmann EJ, Witte OW. Membrane currents induced by pentylenetetrazol in identified neurons of Helix pomatia. Brain Research. 473: 294-305. PMID 2852986 DOI: 10.1016/0006-8993(88)90858-X  0.421
1987 Caspers H, Speckmann EJ, Lehmenkühler A. DC potentials of the cerebral cortex. Seizure activity and changes in gas pressures. Reviews of Physiology, Biochemistry and Pharmacology. 106: 127-78. PMID 3112912 DOI: 10.1007/Bfb0027576  0.606
1987 Witte OW, Speckmann EJ, Walden J. Motor cortical epileptic foci in vivo: actions of a calcium channel blocker on paroxysmal neuronal depolarizations. Electroencephalography and Clinical Neurophysiology. 66: 43-55. PMID 2431865 DOI: 10.1016/0013-4694(87)90137-4  0.434
1985 Witte OW, Speckmann EJ, Walden J. Acetylcholine responses of identified neurons in Helix pomatia--II. Pharmacological properties of acetylcholine responses. Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology. 80: 25-35. PMID 2858348 DOI: 10.1016/0742-8413(85)90128-8  0.43
1985 Witte OW, Speckmann EJ, Walden J. Acetylcholine responses of identified neurons in Helix pomatia--I. Interactions between acetylcholine-induced and potential-dependent membrane conductances. Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology. 80: 15-23. PMID 2858336 DOI: 10.1016/0742-8413(85)90127-6  0.418
1985 Witte OW, Speckmann EJ, Walden J. Acetylcholine responses of identified neurons in Helix pomatia--III. Ionic composition of the depolarizing currents induced by acetylcholine. Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology. 80: 37-45. PMID 2579766 DOI: 10.1016/0742-8413(85)90129-X  0.419
1985 Witte OW, Walden J, Speckmann EJ. Acetylcholine responses in snail neurons: increase and decrease in potassium conductance succeeding inward currents. Brain Research. 347: 313-20. PMID 2415216 DOI: 10.1016/0006-8993(85)90192-1  0.412
1985 Walden J, Witte OW, Speckmann EJ. Decrease of potassium permeability by intracellular application of sodium ions in snail neurons. Neuroscience Letters. 60: 139-43. PMID 2414697 DOI: 10.1016/0304-3940(85)90234-4  0.416
1985 Walden J, Speckmann EJ, Witte OW. Suppression of focal epileptiform discharges by intraventricular perfusion of a calcium antagonist. Electroencephalography and Clinical Neurophysiology. 61: 299-309. PMID 2411508 DOI: 10.1016/0013-4694(85)91096-X  0.448
1984 Walden J, Lehmenkühler A, Speckmann EJ, Witte OW. Continuous measurement of pentylenetetrazol concentration by a liquid ion exchanger microelectrode. Journal of Neuroscience Methods. 11: 187-92. PMID 6492863 DOI: 10.1016/0165-0270(84)90037-2  0.336
1984 Walden J, Witte OW, Speckmann EJ, Elger CE. Reduction of calcium currents in identified neurons of Helix pomatia: intracellular injection of D890. Comparative Biochemistry and Physiology. C, Comparative Pharmacology and Toxicology. 77: 211-7. PMID 6144419 DOI: 10.1016/0742-8413(84)90004-5  0.51
1983 Speckmann EJ, Elger CE, Lehmenkuehler A. Penicillin activity in brain tissue: a method for continuous measurement. Electroencephalography and Clinical Neurophysiology. 56: 664-7. PMID 6197284 DOI: 10.1016/0013-4694(83)90033-0  0.335
1983 Elger CE, Speckmann EJ. Penicillin-induced epileptic foci in the motor cortex: vertical inhibition. Electroencephalography and Clinical Neurophysiology. 56: 604-22. PMID 6197279 DOI: 10.1016/0013-4694(83)90028-7  0.462
1981 Elger CE, Speckmann EJ, Prohaska O, Caspers H. Pattern of intracortical potential distribution during focal interictal epileptiform discharges (FIED) and its relation to spinal field potentials in the rat. Electroencephalography and Clinical Neurophysiology. 51: 393-402. PMID 6164538 DOI: 10.1016/0013-4694(81)90103-6  0.643
1980 Caspers H, Speckmann EJ, Lehmenkühler A. Electrogenesis of cortical DC potentials. Progress in Brain Research. 54: 3-15. PMID 7220930 DOI: 10.1016/S0079-6123(08)61603-9  0.548
1980 Elger CE, Speckmann EJ. Focal interictal epileptiform discharges (FIED) in the epicortical EEG and their relations to spinal field potentials in the rat. Electroencephalography and Clinical Neurophysiology. 48: 447-60. PMID 6153606 DOI: 10.1016/0013-4694(80)90137-6  0.399
1979 Zidek W, Speckmann EJ. Temperature dependent membrane potential changes in snail neurons and their relation to active ion transport. Malacologia. 18: 539-41. PMID 491758  0.404
1979 Altrup U, Speckmann EJ, Caspers H. Axonal pathways and synaptic inputs of three identified neurons in the buccal ganglion of Helix pomatia. Malacologia. 18: 473-6. PMID 491751  0.544
1979 Altrup U, Speckmann EJ, Caspers H. Differentiation between anti- and orthodromic responses to nerve stimulation in neurons with axo-axonal synapses (Helix pomatia). Neuroscience Letters. 11: 313-6. PMID 229437 DOI: 10.1016/0304-3940(79)90014-4  0.56
1978 Zidek W, Speckmann EJ, Lehmenkühler A. Dependency of the resting membrane potential on the extracellular chloride concentration in identified neurons of Helix pomatia. Neuroscience Letters. 7: 163-6. PMID 19605106 DOI: 10.1016/0304-3940(78)90161-1  0.414
1978 Elger CE, Janzen RW, Speckmann EJ, Caspers H. Influence of the cortico-spinal system on cervical and lumbar motoneurons in the rat. Journal De Physiologie. 74: 203-6. PMID 722596  0.592
1978 Elger CE, Speckmann EJ. Spinal cord field potentials elicited by focal interictal epileptiform discharges in the rat [proceedings]. The Journal of Physiology. 284: 66P-67P. PMID 104030  0.346
1977 Elger CE, Speckmann EJ, Caspers H, Janzen RW. Cortico-spinal connections in the rat. I. Monosynaptic and polysynaptic responses of cervical motoneurons to epicortical stimulation. Experimental Brain Research. 28: 385-404. PMID 885186 DOI: 10.1007/Bf00235718  0.665
1977 Caspers H, Speckmann EJ. [Physiological bases of the sleep-wakefulness rhythm]. Verhandlungen Der Deutschen Gesellschaft FüR Innere Medizin. 83: 865-76. PMID 206063  0.467
1977 Janzen RW, Speckmann EJ, Caspers H, Elger CE. Cortico-spinal connections in the rat. II. Oligosynaptic and polysynaptic responses of lumbar motoneurons to epicortical stimulation. Experimental Brain Research. 28: 405-20. PMID 195828 DOI: 10.1007/BF00235719  0.583
1976 Lehmenkühler A, Caspers H, Speckmann EJ. A method for simultaneous measurements of bioelectric activity and local tissue PO2 in the CNS. Advances in Experimental Medicine and Biology. 75: 3-7. PMID 1015413 DOI: 10.1007/978-1-4684-3273-2_1  0.535
1976 Caspers H, Speckmann EJ. [Stimulation and excitability in functional syndromes]. Verhandlungen Der Deutschen Gesellschaft FüR Innere Medizin. 82: 542-9. PMID 18853  0.494
1975 Schulze H, Speckmann EJ, Kuhlmann D, Caspers H. Topography and bioelectrical properties of identifiable neurons in the buccal ganglion of Helix pomatia. Neuroscience Letters. 1: 277-81. PMID 19604790 DOI: 10.1016/0304-3940(75)90043-9  0.54
1975 Zidek W, Speckmann EJ. [Contribution of active ion transport to membrane potential of excitable cells]. Hippokrates. 46: 255-7. PMID 129444  0.341
1975 Zimpel F, Speckmann EJ, Caspers H. Phase dependent changes of the early outward current during PTZ induced activity in helix neurons Pflugers Archiv European Journal of Physiology. 355.  0.569
1974 Caspers H, Speckmann EJ, Simmich W, Zoll WR. [Effects of carbonic anhydrase inhibition on oxygen poisoning of the central nervous system (author's transl)]. Research in Experimental Medicine. Zeitschrift FüR Die Gesamte Experimentelle Medizin Einschliesslich Experimenteller Chirurgie. 163: 125-36. PMID 4848616 DOI: 10.1007/BF01856407  0.486
1974 Janzen RW, Speckmann EJ, Caspers H. Distribution of large ventral horn cells in the lumbar cord of the rat. Cell and Tissue Research. 151: 159-70. PMID 4140033 DOI: 10.1007/Bf00222220  0.544
1974 Speckmann EJ, Caspers H. Section III. The effect of Q2 and CO2 tensions in the nervous tissue on neuronal activity and DC potentials Handbook of Electroencephalography and Clinical Neurophysiology 0.58
1973 Speckmann EJ, Caspers H. Paroxysmal depolarization and changes in action potentials induced by pentylenetetrazol in isolated neurons of Helix pomatia. Epilepsia. 14: 397-408. PMID 4521096  0.58
1972 Caspers H, Speckmann EJ. Cerebral pO 2 , pCO 2 and pH: changes during convulsive activity and their significance for spontaneous arrest of seizures. Epilepsia. 13: 699-725. PMID 4343685  0.544
1971 Caspers H, Speckmann EJ. [Direct current shifts of the cerebral cortex in asphyxia]. ÄRztliche Forschung. 25: 241-55. PMID 5109319  0.526
1971 Speckmann EJ, Caspers H, Janzen RW. Alterations of postsynaptic potentials in periodic variations of seizure excitability. Electroencephalography and Clinical Neurophysiology. 30: 264-5. PMID 4103209  0.555
1970 Speckmann EJ, Caspers H. [Measurement of oxygen pressure with platinum microelectrodes in the central nervous system]. PflüGers Archiv : European Journal of Physiology. 318: 78-84. PMID 5463918 DOI: 10.1007/BF00588544  0.483
1970 Speckmann EJ, Caspers H, Sokolov W. [Activity changes of spinal neurones during and after asphyxiation]. PflüGers Archiv : European Journal of Physiology. 319: 122-38. PMID 4318294 DOI: 10.1007/BF00592491  0.556
1970 Winkelmann R, Speckmann EJ, Caspers H. Alterations of the cortical oxygen pressure in generalized seizures. Electroencephalography and Clinical Neurophysiology. 29: 215-6. PMID 4194633  0.535
1970 Caspers H, Speckmann EJ. Connections between EEG activity and post-synaptic potentials of spinal motoneurones during convulsions. Electroencephalography and Clinical Neurophysiology. 29: 207-8. PMID 4194609  0.555
1969 Speckmann EJ, Caspers H. [Shifts in the cortical potentials during changes in the ventilation rate]. PflüGers Archiv : European Journal of Physiology. 310: 235-50. PMID 5817371 DOI: 10.1007/BF00587212  0.532
1967 Speckmann EJ, Caspers H. [The modifications of the cortical steady potential during respiratory arrest]. Revue Neurologique. 117: 5-19. PMID 6063880  0.533
1967 Speckmann EJ, Caspers H. Shifts of cortical standing potential in hypoxia and asphyxia. Electroencephalography and Clinical Neurophysiology. 23: 379. PMID 4167771 DOI: 10.1016/0013-4694(67)90052-1  0.543
1963 CASPERS H, SCHUETZ E, SPECKMANN EJ. [DIRECT CURRENT COMPONENT CHANGES OF THE CEREBRAL CORTEX IN ANOXIA]. Zeitschrift FüR Biologie. 114: 112-26. PMID 14153221  0.531
1963 Speckmann EJ, Caspers H. Verschiebungen des corticalen Bestandpotentials bei Atemstillstand PflüGers Archiv FüR Die Gesamte Physiologie Des Menschen Und Der Tiere. 278: 76. DOI: 10.1007/BF00672584  0.464
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