Nick F. Ramsey - Publications

Affiliations: 
University Medical Center Utrecht, Utrecht, Netherlands 
Area:
neuroscience, brain function, brain-computer interface, fMRI

190 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
2021 Piantoni G, Hermes D, Ramsey N, Petridou N. Size of the spatial correlation between ECoG and fMRI activity. Neuroimage. 118459. PMID 34371189 DOI: 10.1016/j.neuroimage.2021.118459  0.576
2021 van den Boom M, Miller KJ, Gregg NM, Ojeda Valencia G, Lee KH, Richner TJ, Ramsey NF, Worrell GA, Hermes D. Typical somatomotor physiology of the hand is preserved in a patient with an amputated arm: An ECoG case study. Neuroimage. Clinical. 31: 102728. PMID 34182408 DOI: 10.1016/j.nicl.2021.102728  0.559
2021 Schouwenaars IT, de Dreu MJ, Rutten GM, Ramsey NF, Jansma JM. A functional MRI study of presurgical cognitive deficits in glioma patients. Neuro-Oncology Practice. 8: 81-90. PMID 33659067 DOI: 10.1093/Nop/Npaa059  0.328
2021 van den Boom MA, Miller K, Ramsey N, Hermes D. Functional MRI based simulations of ECoG grid configurations for optimal measurement of spatially distributed hand-gesture information. Journal of Neural Engineering. PMID 33418549 DOI: 10.1088/1741-2552/abda0d  0.521
2020 Berezutskaya J, Freudenburg ZV, Ambrogioni L, Güçlü U, van Gerven MAJ, Ramsey NF. Cortical network responses map onto data-driven features that capture visual semantics of movie fragments. Scientific Reports. 10: 12077. PMID 32694561 DOI: 10.1038/S41598-020-68853-Y  0.333
2020 Gaglianese A, Branco MP, Groen IIA, Benson NC, Vansteensel MJ, Murray MM, Petridou N, Ramsey NF. Electrocorticography Evidence of Tactile Responses in Visual Cortices. Brain Topography. PMID 32661933 DOI: 10.1007/S10548-020-00783-4  0.316
2020 de Jong MC, Vansteensel MJ, van Ee R, Leijten FSS, Ramsey NF, Dijkerman HC, Dumoulin SO, Knapen T. Intracranial Recordings Reveal Unique Shape and Timing of Responses in Human Visual Cortex during Illusory Visual Events. Current Biology : Cb. PMID 32619489 DOI: 10.1016/J.Cub.2020.05.082  0.303
2020 Berezutskaya J, Freudenburg ZV, Güçlü U, van Gerven MAJ, Ramsey NF. Brain-optimized extraction of complex sound features that drive continuous auditory perception. Plos Computational Biology. 16: e1007992. PMID 32614826 DOI: 10.1371/Journal.Pcbi.1007992  0.3
2020 Raemaekers M, Bruurmijn M, Ramsey N. The brain in a box: A toolbox for creating Cartesian geometric representations with isometric dimensions (Cgrids). Journal of Neuroscience Methods. 339: 108738. PMID 32305449 DOI: 10.1016/J.Jneumeth.2020.108738  0.311
2020 Wolpaw JR, Millán JDR, Ramsey NF. Brain-computer interfaces: Definitions and principles. Handbook of Clinical Neurology. 168: 15-23. PMID 32164849 DOI: 10.1016/B978-0-444-63934-9.00002-0  0.337
2020 Ramsey NF. Human brain function and brain-computer interfaces. Handbook of Clinical Neurology. 168: 1-13. PMID 32164845 DOI: 10.1016/B978-0-444-63934-9.00001-9  0.346
2019 Bruurmijn MLCM, Schellekens W, Raemaekers MAH, Ramsey NF. A Novel 2D Standard Cartesian Representation for the Human Sensorimotor Cortex. Neuroinformatics. PMID 31797264 DOI: 10.1007/S12021-019-09441-Y  0.34
2019 Freudenburg ZV, Branco MP, Leinders S, van der Vijgh BH, Pels EGM, Denison T, van den Berg LH, Miller KJ, Aarnoutse EJ, Ramsey NF, Vansteensel MJ. Sensorimotor ECoG Signal Features for BCI Control: A Comparison Between People With Locked-In Syndrome and Able-Bodied Controls. Frontiers in Neuroscience. 13: 1058. PMID 31680806 DOI: 10.3389/Fnins.2019.01058  0.361
2019 Schouwenaars IT, de Dreu MJ, Rutten GM, Ramsey NF, Jansma JM. The effect of response frequency on cognitive brain activity during an alertness task. Neuroreport. PMID 31568196 DOI: 10.1097/Wnr.0000000000001338  0.366
2019 Branco MP, Geukes SH, Aarnoutse EJ, Vansteensel MJ, Freudenburg ZV, Ramsey NF. High-frequency band temporal dynamics in response to a grasp force task. Journal of Neural Engineering. PMID 31296796 DOI: 10.1088/1741-2552/Ab3189  0.313
2019 Holdgraf C, Appelhoff S, Bickel S, Bouchard K, D'Ambrosio S, David O, Devinsky O, Dichter B, Flinker A, Foster BL, Gorgolewski KJ, Groen I, Groppe D, Gunduz A, Hamilton L, ... ... Ramsey NF, et al. iEEG-BIDS, extending the Brain Imaging Data Structure specification to human intracranial electrophysiology. Scientific Data. 6: 102. PMID 31239438 DOI: 10.1038/S41597-019-0105-7  0.749
2019 Bossong MG, van Hell HH, Schubart CD, van Saane W, Iseger TA, Jager G, van Osch MJP, Jansma JM, Kahn RS, Boks MP, Ramsey NF. Acute effects of ∆9-tetrahydrocannabinol (THC) on resting state brain function and their modulation by COMT genotype. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. PMID 30975584 DOI: 10.1016/J.Euroneuro.2019.03.010  0.489
2019 Branco MP, de Boer LM, Ramsey NF, Vansteensel MJ. Encoding of kinetic and kinematic movement parameters in the sensorimotor cortex: A Brain-Computer Interface perspective. The European Journal of Neuroscience. PMID 30633413 DOI: 10.1111/Ejn.14342  0.316
2018 Branco MP, Freudenburg ZV, Aarnoutse EJ, Vansteensel MJ, Ramsey NF. Optimization of sampling rate and smoothing improves classification of high frequency power in electrocorticographic brain signals. Biomedical Physics & Engineering Express. 4. PMID 30931146 DOI: 10.1088/2057-1976/Aac3Ac  0.329
2018 Salari E, Freudenburg ZV, Vansteensel MJ, Ramsey N. The influence of prior pronunciations on sensorimotor cortex activity patterns during vowel production. Journal of Neural Engineering. PMID 30238924 DOI: 10.1088/1741-2552/Aae329  0.304
2018 Salari E, Freudenburg ZV, Vansteensel MJ, Ramsey NF. Repeated Vowel Production Affects Features of Neural Activity in Sensorimotor Cortex. Brain Topography. PMID 30238309 DOI: 10.1007/S10548-018-0673-4  0.363
2018 Van den Boom MA, Jansma JM, Ramsey NF. Rapid acquisition of dynamic control over DLPFC using real-time fMRI feedback. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. PMID 30217551 DOI: 10.1016/J.Euroneuro.2018.08.508  0.364
2018 Salari E, Freudenburg ZV, Vansteensel MJ, Ramsey NF. Spatial-Temporal Dynamics of the Sensorimotor Cortex: Sustained and Transient Activity. Ieee Transactions On Neural Systems and Rehabilitation Engineering : a Publication of the Ieee Engineering in Medicine and Biology Society. 26: 1084-1092. PMID 29752244 DOI: 10.1109/Tnsre.2018.2821058  0.344
2018 Noordmans HJ, van Blooijs D, Siero JCW, Zwanenburg JJM, Klaessens JHGM, Ramsey NF. Detailed view on slow sinusoidal, hemodynamic oscillations on the human brain cortex by Fourier transforming oxy/deoxy hyperspectral images. Human Brain Mapping. PMID 29693304 DOI: 10.1002/Hbm.24194  0.334
2018 Raemaekers M, Schellekens W, Petridou N, Ramsey NF. Knowing left from right: asymmetric functional connectivity during resting state. Brain Structure & Function. PMID 29299691 DOI: 10.1007/S00429-017-1604-Y  0.345
2017 Van der Stigchel S, Leijten FSS, Vansteensel MJ, Dijkerman HC, Ramsey NF, Freudenburg ZV. Removal of epileptically compromised tissue in the frontal cortex restores oculomotor selection in the antisaccade task. Journal of Neuropsychology. PMID 29239527 DOI: 10.1111/Jnp.12143  0.3
2017 Branco MP, Gaglianese A, Glen D, Hermes D, Saad ZS, Petridou N, Ramsey NF. ALICE: A tool for automatic localization of intra-cranial electrodes for clinical and high-density grids. Journal of Neuroscience Methods. PMID 29100838 DOI: 10.1016/J.Jneumeth.2017.10.022  0.548
2017 Bruurmijn MLCM, Pereboom IPL, Vansteensel MJ, Raemaekers MAH, Ramsey NF. Preservation of hand movement representation in the sensorimotor areas of amputees. Brain : a Journal of Neurology. PMID 29088322 DOI: 10.1093/Brain/Awx274  0.357
2017 Ramsey NF, Salari E, Aarnoutse EJ, Vansteensel MJ, Bleichner MB, Freudenburg ZV. Decoding spoken phonemes from sensorimotor cortex with high-density ECoG grids. Neuroimage. PMID 28993231 DOI: 10.1016/J.Neuroimage.2017.10.011  0.323
2017 Berezutskaya J, Freudenburg ZV, Güçlü U, van Gerven MAJ, Ramsey NF. Neural tuning to low-level features of speech throughout the perisylvian cortex. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. PMID 28716965 DOI: 10.1523/Jneurosci.0238-17.2017  0.327
2017 Gaglianese A, Vansteensel MJ, Harvey BM, Dumoulin SO, Petridou N, Ramsey NF. Correspondence between fMRI and electrophysiology during visual motion processing in human MT. Neuroimage. PMID 28389384 DOI: 10.1016/J.Neuroimage.2017.04.007  0.365
2016 Vansteensel MJ, Pels EG, Bleichner MG, Branco MP, Denison T, Freudenburg ZV, Gosselaar P, Leinders S, Ottens TH, Van Den Boom MA, Van Rijen PC, Aarnoutse EJ, Ramsey NF. Fully Implanted Brain-Computer Interface in a Locked-In Patient with ALS. The New England Journal of Medicine. 375: 2060-2066. PMID 27959736 DOI: 10.1056/Nejmoa1608085  0.304
2016 Branco MP, Freudenburg ZV, Aarnoutse EJ, Bleichner MG, Vansteensel MJ, Ramsey NF. Decoding hand gestures from primary somatosensory cortex using high-density ECoG. Neuroimage. PMID 27926827 DOI: 10.1016/J.Neuroimage.2016.12.004  0.364
2015 Bleichner MG, Jansma JM, Salari E, Freudenburg ZV, Raemaekers M, Ramsey NF. Classification of mouth movements using 7 T fMRI. Journal of Neural Engineering. 12: 066026. PMID 26579972 DOI: 10.1088/1741-2560/12/6/066026  0.363
2015 Kristo G, Raemaekers M, Rutten GJ, de Gelder B, Ramsey NF. Inter-hemispheric language functional reorganization in low-grade glioma patients after tumour surgery. Cortex; a Journal Devoted to the Study of the Nervous System and Behavior. 64: 235-48. PMID 25500538 DOI: 10.1016/J.Cortex.2014.11.002  0.345
2014 Vansteensel MJ, Bleichner MG, Freudenburg ZV, Hermes D, Aarnoutse EJ, Leijten FS, Ferrier CH, Jansma JM, Ramsey NF. Spatiotemporal characteristics of electrocortical brain activity during mental calculation. Human Brain Mapping. 35: 5903-20. PMID 25044370 DOI: 10.1002/Hbm.22593  0.62
2014 Siero JC, Hermes D, Hoogduin H, Luijten PR, Ramsey NF, Petridou N. BOLD matches neuronal activity at the mm scale: a combined 7T fMRI and ECoG study in human sensorimotor cortex. Neuroimage. 101: 177-84. PMID 25026157 DOI: 10.1016/J.Neuroimage.2014.07.002  0.598
2014 Bossong MG, Jansma JM, Bhattacharyya S, Ramsey NF. Role of the endocannabinoid system in brain functions relevant for schizophrenia: an overview of human challenge studies with cannabis or ∆9-tetrahydrocannabinol (THC). Progress in Neuro-Psychopharmacology & Biological Psychiatry. 52: 53-69. PMID 24380726 DOI: 10.1016/J.Pnpbp.2013.11.017  0.402
2014 Hermes D, Miller KJ, Vansteensel MJ, Edwards E, Ferrier CH, Bleichner MG, van Rijen PC, Aarnoutse EJ, Ramsey NF. Cortical theta wanes for language. Neuroimage. 85: 738-48. PMID 23891904 DOI: 10.1016/J.Neuroimage.2013.07.029  0.575
2014 Kristo G, Rutten GJ, Raemaekers M, de Gelder B, Rombouts SA, Ramsey NF. Task and task-free FMRI reproducibility comparison for motor network identification. Human Brain Mapping. 35: 340-52. PMID 22987751 DOI: 10.1002/Hbm.22180  0.337
2014 Bossong M, Schubart C, Van Hell H, Iseger T, Van Saane W, Jager G, Van Osch P, Jansma J, Kahn R, Boks M, Ramsey N. P.1.i.012 Genetic modulation of acute effects of delta-9-tetrahydrocannabinol (THC) on resting state brain function European Neuropsychopharmacology. 24: S303-S304. DOI: 10.1016/S0924-977X(14)70481-X  0.333
2013 Jansma JM, van Raalten TR, Boessen R, Neggers SF, Jacobs RH, Kahn RS, Ramsey NF. fMRI guided rTMS evidence for reduced left prefrontal involvement after task practice. Plos One. 8: e80256. PMID 24376494 DOI: 10.1371/Journal.Pone.0080256  0.494
2013 Bossong MG, Jansma JM, van Hell HH, Jager G, Kahn RS, Ramsey NF. Default mode network in the effects of Δ9-Tetrahydrocannabinol (THC) on human executive function. Plos One. 8: e70074. PMID 23936144 DOI: 10.1371/Journal.Pone.0070074  0.489
2013 Bossong MG, van Hell HH, Jager G, Kahn RS, Ramsey NF, Jansma JM. The endocannabinoid system and emotional processing: a pharmacological fMRI study with ∆9-tetrahydrocannabinol. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 23: 1687-97. PMID 23928295 DOI: 10.1016/J.Euroneuro.2013.06.009  0.442
2013 Jager G, Block RI, Luijten M, Ramsey NF. Tentative evidence for striatal hyperactivity in adolescent cannabis-using boys: a cross-sectional multicenter fMRI study. Journal of Psychoactive Drugs. 45: 156-67. PMID 23909003 DOI: 10.1080/02791072.2013.785837  0.328
2013 Siero JC, Hermes D, Hoogduin H, Luijten PR, Petridou N, Ramsey NF. BOLD consistently matches electrophysiology in human sensorimotor cortex at increasing movement rates: a combined 7T fMRI and ECoG study on neurovascular coupling. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 33: 1448-56. PMID 23801242 DOI: 10.1038/Jcbfm.2013.97  0.612
2013 Andersson P, Ramsey NF, Viergever MA, Pluim JP. 7T fMRI reveals feasibility of covert visual attention-based brain-computer interfacing with signals obtained solely from cortical grey matter accessible by subdural surface electrodes. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology. 124: 2191-7. PMID 23773675 DOI: 10.1016/J.Clinph.2013.05.009  0.342
2013 Jansma JM, van Hell HH, Vanderschuren LJ, Bossong MG, Jager G, Kahn RS, Ramsey NF. THC reduces the anticipatory nucleus accumbens response to reward in subjects with a nicotine addiction. Translational Psychiatry. 3: e234. PMID 23443360 DOI: 10.1038/Tp.2013.6  0.431
2013 Ojemann GA, Ojemann J, Ramsey NF. Relation between functional magnetic resonance imaging (fMRI) and single neuron, local field potential (LFP) and electrocorticography (ECoG) activity in human cortex. Frontiers in Human Neuroscience. 7: 34. PMID 23431088 DOI: 10.3389/Fnhum.2013.00034  0.351
2013 Bauer PR, Vansteensel MJ, Bleichner MG, Hermes D, Ferrier CH, Aarnoutse EJ, Ramsey NF. Mismatch between electrocortical stimulation and electrocorticography frequency mapping of language. Brain Stimulation. 6: 524-31. PMID 23395595 DOI: 10.1016/J.Brs.2013.01.001  0.572
2013 Vansteensel MJ, Bleichner MG, Dintzner LT, Aarnoutse EJ, Leijten FS, Hermes D, Ramsey NF. Task-free electrocorticography frequency mapping of the motor cortex. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology. 124: 1169-74. PMID 23340046 DOI: 10.1016/J.Clinph.2012.08.048  0.53
2013 Siero JC, Ramsey NF, Hoogduin H, Klomp DW, Luijten PR, Petridou N. BOLD specificity and dynamics evaluated in humans at 7 T: comparing gradient-echo and spin-echo hemodynamic responses. Plos One. 8: e54560. PMID 23336008 DOI: 10.1371/Journal.Pone.0054560  0.322
2013 Andersson P, Pluim JP, Viergever MA, Ramsey NF. Navigation of a telepresence robot via covert visuospatial attention and real-time fMRI. Brain Topography. 26: 177-85. PMID 22965825 DOI: 10.1007/S10548-012-0252-Z  0.322
2012 Johnson LA, Blakely T, Hermes D, Hakimian S, Ramsey NF, Ojemann JG. Sleep spindles are locally modulated by training on a brain-computer interface. Proceedings of the National Academy of Sciences of the United States of America. 109: 18583-8. PMID 23091013 DOI: 10.1073/Pnas.1207532109  0.558
2012 Miller KJ, Hermes D, Honey CJ, Hebb AO, Ramsey NF, Knight RT, Ojemann JG, Fetz EE. Human motor cortical activity is selectively phase-entrained on underlying rhythms. Plos Computational Biology. 8: e1002655. PMID 22969416 DOI: 10.1371/Journal.Pcbi.1002655  0.586
2012 Andersson P, Ramsey NF, Raemaekers M, Viergever MA, Pluim JP. Real-time decoding of the direction of covert visuospatial attention. Journal of Neural Engineering. 9: 045004. PMID 22831959 DOI: 10.1088/1741-2560/9/4/045004  0.35
2012 Hermes D, Siero JC, Aarnoutse EJ, Leijten FS, Petridou N, Ramsey NF. Dissociation between neuronal activity in sensorimotor cortex and hand movement revealed as a function of movement rate. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 32: 9736-44. PMID 22787059 DOI: 10.1523/Jneurosci.0357-12.2012  0.594
2012 Torres Valderrama A, Paclik P, Vansteensel MJ, Aarnoutse EJ, Ramsey NF. Error probability of intracranial brain computer interfaces under non-task elicited brain states. Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology. 123: 2392-401. PMID 22695047 DOI: 10.1016/J.Clinph.2012.05.006  0.355
2012 Bos PA, Hermans EJ, Ramsey NF, van Honk J. The neural mechanisms by which testosterone acts on interpersonal trust. Neuroimage. 61: 730-7. PMID 22507228 DOI: 10.1016/J.Neuroimage.2012.04.002  0.334
2012 Bossong MG, Jansma JM, van Hell HH, Jager G, Oudman E, Saliasi E, Kahn RS, Ramsey NF. Effects of δ9-tetrahydrocannabinol on human working memory function. Biological Psychiatry. 71: 693-9. PMID 22341370 DOI: 10.1016/J.Biopsych.2012.01.008  0.5
2012 Raemaekers M, du Plessis S, Ramsey NF, Weusten JM, Vink M. Test-retest variability underlying fMRI measurements. Neuroimage. 60: 717-27. PMID 22155027 DOI: 10.1016/J.Neuroimage.2011.11.061  0.58
2012 Bossong MG, Jager G, van Hell HH, Zuurman L, Jansma JM, Mehta MA, van Gerven JM, Kahn RS, Ramsey NF. Effects of Δ9-tetrahydrocannabinol administration on human encoding and recall memory function: a pharmacological FMRI study. Journal of Cognitive Neuroscience. 24: 588-99. PMID 22066583 DOI: 10.1162/Jocn_A_00156  0.468
2012 van Hell HH, Jager G, Bossong MG, Brouwer A, Jansma JM, Zuurman L, van Gerven J, Kahn RS, Ramsey NF. Involvement of the endocannabinoid system in reward processing in the human brain. Psychopharmacology. 219: 981-90. PMID 21822593 DOI: 10.1007/S00213-011-2428-8  0.473
2012 Hermes D, Miller KJ, Vansteensel MJ, Aarnoutse EJ, Leijten FS, Ramsey NF. Neurophysiologic correlates of fMRI in human motor cortex. Human Brain Mapping. 33: 1689-99. PMID 21692146 DOI: 10.1002/Hbm.21314  0.607
2012 Harvey BM, Vansteensel MJ, Dijkerman CH, van Zandvoort MJE, Ferrier C, Petridou N, Leijten FSS, Ramsey NF, Dumoulin SO. Population Receptive Field Properties from fMRI and Electrocorticography in Striate and Extrastriate Cortex of the Same Subject I-Perception. 3: 216-216. DOI: 10.1068/Id216  0.302
2011 Andersson P, Pluim JP, Siero JC, Klein S, Viergever MA, Ramsey NF. Real-time decoding of brain responses to visuospatial attention using 7T fMRI. Plos One. 6: e27638. PMID 22110702 DOI: 10.1371/Journal.Pone.0027638  0.371
2011 Bleichner MG, Vansteensel MJ, Huiskamp GM, Hermes D, Aarnoutse EJ, Ferrier CH, Ramsey NF. The effects of blood vessels on electrocorticography. Journal of Neural Engineering. 8: 044002. PMID 21654039 DOI: 10.1088/1741-2560/8/4/044002  0.524
2011 van Hell HH, Bossong MG, Jager G, Kahn RS, Ramsey NF. Methods of the pharmacological imaging of the cannabinoid system (PhICS) study: towards understanding the role of the brain endocannabinoid system in human cognition. International Journal of Methods in Psychiatric Research. 20: 10-27. PMID 21574207 DOI: 10.1002/Mpr.327  0.493
2011 Siero JC, Petridou N, Hoogduin H, Luijten PR, Ramsey NF. Cortical depth-dependent temporal dynamics of the BOLD response in the human brain. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 31: 1999-2008. PMID 21505479 DOI: 10.1038/Jcbfm.2011.57  0.331
2011 van Veelen NM, Vink M, Ramsey NF, van Buuren M, Hoogendam JM, Kahn RS. Prefrontal lobe dysfunction predicts treatment response in medication-naive first-episode schizophrenia. Schizophrenia Research. 129: 156-62. PMID 21497488 DOI: 10.1016/J.Schres.2011.03.026  0.616
2011 van Hell HH, Bossong MG, Jager G, Kristo G, van Osch MJ, Zelaya F, Kahn RS, Ramsey NF. Evidence for involvement of the insula in the psychotropic effects of THC in humans: a double-blind, randomized pharmacological MRI study. The International Journal of Neuropsychopharmacology / Official Scientific Journal of the Collegium Internationale Neuropsychopharmacologicum (Cinp). 14: 1377-88. PMID 21489346 DOI: 10.1017/S1461145711000526  0.533
2011 Hermes D, Vansteensel MJ, Albers AM, Bleichner MG, Benedictus MR, Mendez Orellana C, Aarnoutse EJ, Ramsey NF. Functional MRI-based identification of brain areas involved in motor imagery for implantable brain-computer interfaces. Journal of Neural Engineering. 8: 025007. PMID 21436535 DOI: 10.1088/1741-2560/8/2/025007  0.584
2011 van Veelen NM, Vink M, Ramsey NF, Sommer IE, van Buuren M, Hoogendam JM, Kahn RS. Reduced language lateralization in first-episode medication-naive schizophrenia. Schizophrenia Research. 127: 195-201. PMID 21237617 DOI: 10.1016/J.Schres.2010.12.013  0.608
2011 van Hell H, Jansma J, Bossong M, Kahn R, Ramsey N. P.6.c.005 Endocannabinoid involvement in brain reward processing in nicotine addiction European Neuropsychopharmacology. 21: S578. DOI: 10.1016/S0924-977X(11)70945-2  0.321
2011 Bossong M, Jansma J, van Hell H, Jager G, Kahn R, Ramsey N. P.1.e.007 The effects of delta9-tetrahydrocannabinol (THC) on human brain function involved in emotional processing: a pharmacological fMRI study European Neuropsychopharmacology. 21: S307. DOI: 10.1016/S0924-977X(11)70485-0  0.356
2011 Bossong M, Jansma J, van Hell H, Jager G, Kahn R, Ramsey N. P.1.e.006 Involvement of the endocannabinoid system in executive function: a pharmacological fMRI study with delta9-tetrahydrocannabinol (THC) European Neuropsychopharmacology. 21: S306-S307. DOI: 10.1016/S0924-977X(11)70484-9  0.323
2011 Van Hell HH, Vink M, Ossewaarde L, Jager G, Kahn RS, Ramsey NF. Chronic effects of cannabis use on the human reward system: An fMRI study | Efectos crónicos del consumo de cannabis sobre el sistema de recompensa humano: un estudio de RMf Psiquiatria Biologica. 18: 45-54. DOI: 10.1016/J.Psiq.2011.08.003  0.545
2010 Van der Schot A, Kahn R, Ramsey N, Nolen W, Vink M. Trait and state dependent functional impairments in bipolar disorder. Psychiatry Research. 184: 135-42. PMID 21050725 DOI: 10.1016/J.Pscychresns.2010.07.009  0.604
2010 van Veelen NM, Vink M, Ramsey NF, Kahn RS. Left dorsolateral prefrontal cortex dysfunction in medication-naive schizophrenia. Schizophrenia Research. 123: 22-9. PMID 20724113 DOI: 10.1016/J.Schres.2010.07.004  0.631
2010 Vansteensel MJ, Hermes D, Aarnoutse EJ, Bleichner MG, Schalk G, van Rijen PC, Leijten FS, Ramsey NF. Brain-computer interfacing based on cognitive control. Annals of Neurology. 67: 809-16. PMID 20517943 DOI: 10.1002/Ana.21985  0.627
2010 Jager G, Block RI, Luijten M, Ramsey NF. Cannabis use and memory brain function in adolescent boys: a cross-sectional multicenter functional magnetic resonance imaging study. Journal of the American Academy of Child and Adolescent Psychiatry. 49: 561-72, 572.e1-3. PMID 20494266 DOI: 10.1016/J.Jaac.2010.02.001  0.385
2010 Buma FE, Lindeman E, Ramsey NF, Kwakkel G. Functional neuroimaging studies of early upper limb recovery after stroke: a systematic review of the literature. Neurorehabilitation and Neural Repair. 24: 589-608. PMID 20439501 DOI: 10.1177/1545968310364058  0.329
2010 Hermans EJ, Bos PA, Ossewaarde L, Ramsey NF, Fernández G, van Honk J. Effects of exogenous testosterone on the ventral striatal BOLD response during reward anticipation in healthy women. Neuroimage. 52: 277-83. PMID 20398773 DOI: 10.1016/J.Neuroimage.2010.04.019  0.347
2010 Rutten GJ, Ramsey NF. The role of functional magnetic resonance imaging in brain surgery. Neurosurgical Focus. 28: E4. PMID 20121439 DOI: 10.3171/2009.12.Focus09251  0.318
2010 van Hell HH, Vink M, Ossewaarde L, Jager G, Kahn RS, Ramsey NF. Chronic effects of cannabis use on the human reward system: an fMRI study. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 20: 153-63. PMID 20061126 DOI: 10.1016/J.Euroneuro.2009.11.010  0.599
2010 Hermes D, Miller KJ, Noordmans HJ, Vansteensel MJ, Ramsey NF. Automated electrocorticographic electrode localization on individually rendered brain surfaces. Journal of Neuroscience Methods. 185: 293-8. PMID 19836416 DOI: 10.1016/J.Jneumeth.2009.10.005  0.601
2010 van Oers CA, Vink M, van Zandvoort MJ, van der Worp HB, de Haan EH, Kappelle LJ, Ramsey NF, Dijkhuizen RM. Contribution of the left and right inferior frontal gyrus in recovery from aphasia. A functional MRI study in stroke patients with preserved hemodynamic responsiveness. Neuroimage. 49: 885-93. PMID 19733673 DOI: 10.1016/J.Neuroimage.2009.08.057  0.546
2010 Jager G, van Hell H, Bossong M, Kristo G, Kahn R, Ramsey N. P.1.e.009 Delta9-THC induces non-specific psychotropic effects reflected in resting-state brain function: a pharmaco-imaging study European Neuropsychopharmacology. 20: S293. DOI: 10.1016/S0924-977X(10)70388-6  0.356
2010 Bossong M, van Hell H, Jager G, Oudman F, Kahn R, Ramsey N. P.1.e.005 Delta9-tetrahydrocannabinol (THC) impairs working memory system capacity: a pharmacological MRI study European Neuropsychopharmacology. 20: S290-S291. DOI: 10.1016/S0924-977X(10)70384-9  0.302
2010 Bossong M, van Hell H, Jager G, Oudman F, Kahn R, Ramsey N. P.3.003 Involvement of the endocannabinoid system in working memory: a pharmacological MRI study with delta9-THC European Neuropsychopharmacology. 20: S64. DOI: 10.1016/S0924-977X(10)70075-4  0.302
2010 van Veelen NM, Vink M, Ramsey NF, Kahn RS. LEFT PRE-FRONTAL LOBE DYSFUNCTION IN MEDICATION NAIVE SCHIZOPHRENIA Schizophrenia Research. 117: 359. DOI: 10.1016/J.Schres.2010.02.631  0.573
2009 Miller KJ, Hermes D, Schalk G, Ramsey NF, Jagadeesh B, den Nijs M, Ojemann JG, Rao RP. Detection of spontaneous class-specific visual stimuli with high temporal accuracy in human electrocorticography. Conference Proceedings : ... Annual International Conference of the Ieee Engineering in Medicine and Biology Society. Ieee Engineering in Medicine and Biology Society. Annual Conference. 2009: 6465-8. PMID 19964434 DOI: 10.1109/IEMBS.2009.5333546  0.516
2009 Baeken C, De Raedt R, Ramsey N, Van Schuerbeek P, Hermes D, Bossuyt A, Leyman L, Vanderhasselt MA, De Mey J, Luypaert R. Amygdala responses to positively and negatively valenced baby faces in healthy female volunteers: influences of individual differences in harm avoidance. Brain Research. 1296: 94-103. PMID 19679112 DOI: 10.1016/J.Brainres.2009.08.010  0.566
2009 van Gerven M, Farquhar J, Schaefer R, Vlek R, Geuze J, Nijholt A, Ramsey N, Haselager P, Vuurpijl L, Gielen S, Desain P. The brain-computer interface cycle. Journal of Neural Engineering. 6: 041001. PMID 19622847 DOI: 10.1088/1741-2560/6/4/041001  0.348
2009 van Buuren M, Gladwin TE, Zandbelt BB, van den Heuvel M, Ramsey NF, Kahn RS, Vink M. Cardiorespiratory effects on default-mode network activity as measured with fMRI. Human Brain Mapping. 30: 3031-42. PMID 19180557 DOI: 10.1002/Hbm.20729  0.765
2009 Bossong MG, van Berckel BN, Boellaard R, Zuurman L, Schuit RC, Windhorst AD, van Gerven JM, Ramsey NF, Lammertsma AA, Kahn RS. Delta 9-tetrahydrocannabinol induces dopamine release in the human striatum. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 34: 759-66. PMID 18754005 DOI: 10.1016/J.Neuroimage.2008.04.231  0.402
2009 van Hell H, Bossong M, Jager G, Saliasi E, Kahn R, Ramsey N. P.1.e.014 The acute effects of delta-9-tetrahydro-cannabinol (THC) on brain activity during working memory European Neuropsychopharmacology. 19: S308. DOI: 10.1016/S0924-977X(09)70458-4  0.35
2008 van Raalten TR, Ramsey NF, Duyn J, Jansma JM. Practice induces function-specific changes in brain activity. Plos One. 3: e3270. PMID 18827897 DOI: 10.1371/Journal.Pone.0003270  0.375
2008 Zandbelt BB, Gladwin TE, Raemaekers M, van Buuren M, Neggers SF, Kahn RS, Ramsey NF, Vink M. Within-subject variation in BOLD-fMRI signal changes across repeated measurements: quantification and implications for sample size. Neuroimage. 42: 196-206. PMID 18538585 DOI: 10.1016/J.Neuroimage.2008.04.183  0.759
2008 Baas D, Aleman A, Vink M, Ramsey NF, de Haan EH, Kahn RS. Evidence of altered cortical and amygdala activation during social decision-making in schizophrenia. Neuroimage. 40: 719-27. PMID 18261933 DOI: 10.1016/J.Neuroimage.2007.12.039  0.604
2008 Noordzij ML, Neggers SF, Ramsey NF, Postma A. Neural correlates of locative prepositions. Neuropsychologia. 46: 1576-80. PMID 18249423 DOI: 10.1016/J.Neuropsychologia.2007.12.022  0.321
2008 Neggers SF, Hermans EJ, Ramsey NF. Enhanced sensitivity with fast three-dimensional blood-oxygen-level-dependent functional MRI: comparison of SENSE-PRESTO and 2D-EPI at 3 T. Nmr in Biomedicine. 21: 663-76. PMID 18189337 DOI: 10.1002/Nbm.1235  0.334
2008 van Raalten TR, Ramsey NF, Jansma JM, Jager G, Kahn RS. Automatization and working memory capacity in schizophrenia. Schizophrenia Research. 100: 161-71. PMID 18155446 DOI: 10.1016/J.Schres.2007.10.035  0.474
2008 Kho KH, Indefrey P, Hagoort P, van Veelen CW, van Rijen PC, Ramsey NF. Unimpaired sentence comprehension after anterior temporal cortex resection. Neuropsychologia. 46: 1170-8. PMID 18076955 DOI: 10.1016/J.Neuropsychologia.2007.10.014  0.334
2008 Sommer IE, Cohen-Kettenis PT, van Raalten T, Vd Veer AJ, Ramsey LE, Gooren LJ, Kahn RS, Ramsey NF. Effects of cross-sex hormones on cerebral activation during language and mental rotation: An fMRI study in transsexuals. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 18: 215-21. PMID 17997284 DOI: 10.1016/J.Euroneuro.2007.10.002  0.427
2008 Schilt T, de Win MM, Jager G, Koeter MW, Ramsey NF, Schmand B, van den Brink W. Specific effects of ecstasy and other illicit drugs on cognition in poly-substance users. Psychological Medicine. 38: 1309-17. PMID 17988417 DOI: 10.1017/S0033291707002140  0.309
2008 Hermans EJ, Ramsey NF, van Honk J. Exogenous testosterone enhances responsiveness to social threat in the neural circuitry of social aggression in humans. Biological Psychiatry. 63: 263-70. PMID 17727825 DOI: 10.1016/J.Biopsych.2007.05.013  0.319
2008 Jager G, de Win MM, van der Tweel I, Schilt T, Kahn RS, van den Brink W, van Ree JM, Ramsey NF. Assessment of cognitive brain function in ecstasy users and contributions of other drugs of abuse: results from an FMRI study. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 33: 247-58. PMID 17460617 DOI: 10.1038/Sj.Npp.1301415  0.617
2008 van Veelen N, Vink M, Ramsey N, Kahn R. P.3.17 Do patients benefit from practice? An fMRI study in first episode schizophrenia European Neuropsychopharmacology. 18: s76-s77. DOI: 10.1016/S0924-977X(08)70088-9  0.537
2007 De Haan EH, Nys GM, van Zandvoort MJ, Ramsey NF. The physiological basis of visual hallucinations after damage to the primary visual cortex. Neuroreport. 18: 1177-80. PMID 17589322 DOI: 10.1097/Wnr.0B013E32820049D3  0.305
2007 Kho KH, Rutten GJ, Leijten FS, van der Schaaf A, van Rijen PC, Ramsey NF. Working memory deficits after resection of the dorsolateral prefrontal cortex predicted by functional magnetic resonance imaging and electrocortical stimulation mapping. Case report. Journal of Neurosurgery. 106: 501-5. PMID 17566410 DOI: 10.3171/Ped.2007.106.6.501  0.354
2007 Raemaekers M, Vink M, Zandbelt B, van Wezel RJ, Kahn RS, Ramsey NF. Test-retest reliability of fMRI activation during prosaccades and antisaccades. Neuroimage. 36: 532-42. PMID 17499525 DOI: 10.1016/J.Neuroimage.2007.03.061  0.763
2007 Jager G, de Win MM, Vervaeke HK, Schilt T, Kahn RS, van den Brink W, van Ree JM, Ramsey NF. Incidental use of ecstasy: no evidence for harmful effects on cognitive brain function in a prospective fMRI study. Psychopharmacology. 193: 403-14. PMID 17476480 DOI: 10.1007/S00213-007-0792-1  0.624
2007 Jager G, Van Hell HH, De Win MM, Kahn RS, Van Den Brink W, Van Ree JM, Ramsey NF. Effects of frequent cannabis use on hippocampal activity during an associative memory task. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 17: 289-97. PMID 17137758 DOI: 10.1016/J.Euroneuro.2006.10.003  0.635
2007 van der Wee NJ, Ramsey NF, van Megen HJ, Denys D, Westenberg HG, Kahn RS. Spatial working memory in obsessive-compulsive disorder improves with clinical response: A functional MRI study. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 17: 16-23. PMID 16797166 DOI: 10.1016/J.Euroneuro.2006.04.012  0.492
2007 van Hell H, Jager G, Vink M, Ossewaarde L, Kahn R, Ramsey N. P.6.d.005 Differential effects of cannabis and nicotine on the human reward system European Neuropsychopharmacology. 17: S554. DOI: 10.1016/S0924-977X(07)70860-X  0.492
2007 Jager G, Block R, Luijten M, Zuccarelli J, Becker M, Ramsey N. S.18.04 Cannabis use in adolescents: effects on neurocognitive brain function investigated with fMRI European Neuropsychopharmacology. 17: S203. DOI: 10.1016/S0924-977X(07)70245-6  0.31
2006 Ramsey NF, van de Heuvel MP, Kho KH, Leijten FS. Towards human BCI applications based on cognitive brain systems: an investigation of neural signals recorded from the dorsolateral prefrontal cortex. Ieee Transactions On Neural Systems and Rehabilitation Engineering : a Publication of the Ieee Engineering in Medicine and Biology Society. 14: 214-7. PMID 16792297 DOI: 10.1109/TNSRE.2006.875582  0.312
2006 Raemaekers M, Vink M, van den Heuvel MP, Kahn RS, Ramsey NF. Effects of aging on BOLD fMRI during prosaccades and antisaccades. Journal of Cognitive Neuroscience. 18: 594-603. PMID 16768362 DOI: 10.1162/Jocn.2006.18.4.594  0.615
2006 van der Wee NJ, Hardeman HH, Ramsey NF, Raemaekers M, Van Megen HJ, Denys DA, Westenberg HG, Kahn RS. Saccadic abnormalities in psychotropic-naive obsessive-compulsive disorder without co-morbidity. Psychological Medicine. 36: 1321-6. PMID 16734943 DOI: 10.1017/S0033291706007926  0.42
2006 Vink M, Ramsey NF, Raemaekers M, Kahn RS. Striatal dysfunction in schizophrenia and unaffected relatives. Biological Psychiatry. 60: 32-9. PMID 16603134 DOI: 10.1016/J.Biopsych.2005.11.026  0.607
2006 Jager G, Kahn RS, Van Den Brink W, Van Ree JM, Ramsey NF. Long-term effects of frequent cannabis use on working memory and attention: an fMRI study. Psychopharmacology. 185: 358-68. PMID 16521034 DOI: 10.1007/s00213-005-0298-7  0.589
2006 Neggers SF, Van der Lubbe RH, Ramsey NF, Postma A. Interactions between ego- and allocentric neuronal representations of space. Neuroimage. 31: 320-31. PMID 16473025 DOI: 10.1016/J.Neuroimage.2005.12.028  0.369
2006 Sommer IE, Oranje B, Ramsey NF, Klerk FA, Mandl RC, Westenberg HG, Kahn RS. The influence of amphetamine on language activation: an fMRI study. Psychopharmacology. 183: 387-93. PMID 16284750 DOI: 10.1007/S00213-005-0176-3  0.451
2006 Raemaekers M, Ramsey NF, Vink M, van den Heuvel MP, Kahn RS. Brain activation during antisaccades in unaffected relatives of schizophrenic patients. Biological Psychiatry. 59: 530-5. PMID 16165103 DOI: 10.1016/J.Biopsych.2005.07.030  0.642
2006 Baas D, Aleman A, Ramsey N, De Haan E, Kahn R. P.1.e.027 Imaging neural interactions during social information processing in schizophrenia European Neuropsychopharmacology. 16: S274. DOI: 10.1016/S0924-977X(06)70262-0  0.402
2005 Vink M, Ramsey NF, Raemaekers M, Kahn RS. Negative priming in schizophrenia revisited. Schizophrenia Research. 79: 211-6. PMID 15978779 DOI: 10.1016/J.Schres.2005.05.004  0.584
2005 Raemaekers M, Vink M, van den Heuvel MP, Kahn RS, Ramsey NF. Brain activation related to retrosaccades in saccade experiments. Neuroreport. 16: 1043-7. PMID 15973145 DOI: 10.1097/00001756-200507130-00003  0.619
2005 Vink M, Kahn RS, Raemaekers M, van den Heuvel M, Boersma M, Ramsey NF. Function of striatum beyond inhibition and execution of motor responses. Human Brain Mapping. 25: 336-44. PMID 15852388 DOI: 10.1002/Hbm.20111  0.587
2005 Vink M, Kahn RS, Raemaekers M, Ramsey NF. Perceptual bias following visual target selection. Neuroimage. 25: 1168-74. PMID 15850734 DOI: 10.1016/J.Neuroimage.2004.12.042  0.604
2005 Ho Pian KL, van Megen HJ, Ramsey NF, Mandl R, van Rijk PP, Wynne HJ, Westenberg HG. Decreased thalamic blood flow in obsessive-compulsive disorder patients responding to fluvoxamine. Psychiatry Research. 138: 89-97. PMID 15766633 DOI: 10.1016/J.Pscychresns.2004.12.003  0.327
2005 Kho KH, Leijten FS, Rutten GJ, Vermeulen J, Van Rijen P, Ramsey NF. Discrepant findings for Wada test and functional magnetic resonance imaging with regard to language function: use of electrocortical stimulation mapping to confirm results. Case report. Journal of Neurosurgery. 102: 169-73. PMID 15658111 DOI: 10.3171/Jns.2005.102.1.0169  0.308
2004 Jansma JM, Ramsey NF, van der Wee NJ, Kahn RS. Working memory capacity in schizophrenia: a parametric fMRI study. Schizophrenia Research. 68: 159-71. PMID 15099600 DOI: 10.1016/S0920-9964(03)00127-0  0.443
2004 Neggers SF, Langerak TR, Schutter DJ, Mandl RC, Ramsey NF, Lemmens PJ, Postma A. A stereotactic method for image-guided transcranial magnetic stimulation validated with fMRI and motor-evoked potentials. Neuroimage. 21: 1805-17. PMID 15050601 DOI: 10.1016/J.Neuroimage.2003.12.006  0.332
2004 Sommer IE, Ramsey NF, Mandl RC, van Oel CJ, Kahn RS. Language activation in monozygotic twins discordant for schizophrenia. The British Journal of Psychiatry : the Journal of Mental Science. 184: 128-35. PMID 14754824 DOI: 10.1192/Bjp.184.2.128  0.315
2004 Ramsey NF, Jansma JM, Jager G, Van Raalten T, Kahn RS. Neurophysiological factors in human information processing capacity. Brain : a Journal of Neurology. 127: 517-25. PMID 14691061 DOI: 10.1093/Brain/Awh060  0.478
2004 Kahn R, van der Schot A, Ramsey N, Vink M, Majdandzic J, Nolen W. S.06.04 Visual processing of (un)masked facial affectin euthymic bipolar patients European Neuropsychopharmacology. 14: S122-S123. DOI: 10.1016/S0924-977X(04)80020-8  0.547
2003 Rutten GJ, Ramsey N, Noordmans HJ, Willems P, van Rijen P, Berkelbach van der Sprenkel JW, Viergever M, van Veelen C. Toward functional neuronavigation: implementation of functional magnetic resonance imaging data in a surgical guidance system for intraoperative identification of motor and language cortices. Technical note and illustrative case. Neurosurgical Focus. 15: E6. PMID 15355008 DOI: 10.3171/Foc.2003.15.1.6  0.304
2003 van der Wee NJ, Ramsey NF, Jansma JM, Denys DA, van Megen HJ, Westenberg HM, Kahn RS. Spatial working memory deficits in obsessive compulsive disorder are associated with excessive engagement of the medial frontal cortex. Neuroimage. 20: 2271-80. PMID 14683728 DOI: 10.1016/J.Neuroimage.2003.05.001  0.499
2003 Sommer IE, Ramsey NF, Mandl RC, Kahn RS. Language lateralization in female patients with schizophrenia: an fMRI study. Schizophrenia Research. 60: 183-90. PMID 12591582 DOI: 10.1016/S0920-9964(02)00300-6  0.432
2003 Ramsey N, Jansma M, Kahn R. Functionele mri en informatieverwerkingsstoornissen bij schizofrenie Neuropraxis. 7: 172-178. DOI: 10.1007/Bf03071069  0.403
2002 Ramsey NF, Hoogduin H, Jansma JM. Functional MRI experiments: acquisition, analysis and interpretation of data. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 12: 517-26. PMID 12468015 DOI: 10.1016/S0924-977X(02)00101-3  0.385
2002 Sommer IE, Ramsey NF, Mandl RC, Kahn RS. Language lateralization in monozygotic twin pairs concordant and discordant for handedness. Brain : a Journal of Neurology. 125: 2710-8. PMID 12429598 DOI: 10.1093/Brain/Awf284  0.392
2002 Ramsey NF, Koning HA, Welles P, Cahn W, van der Linden JA, Kahn RS. Excessive recruitment of neural systems subserving logical reasoning in schizophrenia. Brain : a Journal of Neurology. 125: 1793-807. PMID 12135970 DOI: 10.1093/Brain/Awf188  0.419
2002 Rutten GJ, Ramsey NF, van Rijen PC, Franssen H, van Veelen CW. Interhemispheric reorganization of motor hand function to the primary motor cortex predicted with functional magnetic resonance imaging and transcranial magnetic stimulation. Journal of Child Neurology. 17: 292-7. PMID 12088086 DOI: 10.1177/088307380201700411  0.309
2002 Aleman A, Schutter DJ, Ramsey NF, van Honk J, Kessels RP, Hoogduin JM, Postma A, Kahn RS, de Haan EH. Functional anatomy of top-down visuospatial processing in the human brain: evidence from rTMS. Brain Research. Cognitive Brain Research. 14: 300-2. PMID 12067703 DOI: 10.1016/S0926-6410(02)00109-X  0.484
2002 Raemaekers M, Jansma JM, Cahn W, Van der Geest JN, van der Linden JA, Kahn RS, Ramsey NF. Neuronal substrate of the saccadic inhibition deficit in schizophrenia investigated with 3-dimensional event-related functional magnetic resonance imaging. Archives of General Psychiatry. 59: 313-20. PMID 11926931 DOI: 10.1001/Archpsyc.59.4.313  0.493
2002 Rutten GJ, Ramsey NF, van Rijen PC, van Veelen CW. Reproducibility of fMRI-determined language lateralization in individual subjects. Brain and Language. 80: 421-37. PMID 11896650 DOI: 10.1006/Brln.2001.2600  0.337
2002 Sommer I, Ramsey N, Graafmans D, Mandl R, Kahn R. How identical are monozygotic twins? An fMRI study on language lateralization European Psychiatry. 17: 11. DOI: 10.1016/S0924-9338(02)80047-5  0.398
2001 Sommer IE, Ramsey NF, Kahn RS. Language lateralization in schizophrenia, an fMRI study. Schizophrenia Research. 52: 57-67. PMID 11595392 DOI: 10.1016/S0920-9964(00)00180-8  0.461
2001 Jansma JM, Ramsey NF, Slagter HA, Kahn RS. Functional anatomical correlates of controlled and automatic processing. Journal of Cognitive Neuroscience. 13: 730-43. PMID 11564318 DOI: 10.1162/08989290152541403  0.499
2001 Ramsey NF, Sommer IE, Rutten GJ, Kahn RS. Combined analysis of language tasks in fMRI improves assessment of hemispheric dominance for language functions in individual subjects. Neuroimage. 13: 719-33. PMID 11305899 DOI: 10.1006/Nimg.2000.0722  0.462
2001 Sommer I, Ramsey N, Kahn R, Aleman A, Bouma A. Handedness, language lateralisation and anatomical asymmetry in schizophrenia: meta-analysis. The British Journal of Psychiatry : the Journal of Mental Science. 178: 344-51. PMID 11282814 DOI: 10.1192/Bjp.178.4.344  0.417
2001 Wee NVd, Jansma M, Megen Hv, Westenberg H, Kahn RS, Ramsey N. Reduced efficacy of the spatial working memory system in obsessive compulsive disorder Neuroimage. 13: 1109. DOI: 10.1016/S1053-8119(01)92436-X  0.746
2001 Ramsey N, van Atteveldt N, Cahn W, Kahn R. Top-down attentional modulation of primary auditory cortex in schizophrenia Neuroimage. 13: 1092. DOI: 10.1016/S1053-8119(01)92420-6  0.416
2001 Raemaekers M, Jansma J, Cahn W, Van der Geest J, Van der Linden J, Kahn R, Ramsey N. Neuronal substrate of the saccadic inhibition deficit in schizophrenia investigated with 3D event related fMRI Neuroimage. 13: 1091. DOI: 10.1016/S1053-8119(01)92419-X  0.331
2001 Sitskoorn M, Hoogduin H, Rutten G, Langen M, Ramsey N. Hippocampal activation in individual subjects using a pictorial-relational-procesing task Neuroimage. 13: 697. DOI: 10.1016/S1053-8119(01)92083-X  0.308
2001 Sommer I, Ramsey N, Graafmans D, Mandl R, Bouma A, Kahn R. Mirror-imaged language activation patterns in healthy monozygotic twins. Neuroimage. 13: 607. DOI: 10.1016/S1053-8119(01)91950-0  0.407
2000 Jansma JM, Ramsey NF, Coppola R, Kahn RS. Specific versus nonspecific brain activity in a parametric N-back task. Neuroimage. 12: 688-97. PMID 11112400 DOI: 10.1006/Nimg.2000.0645  0.486
2000 Van Ree JM, Niesink RJ, Van Wolfswinkel L, Ramsey NF, Kornet MM, Van Furth WR, Vanderschuren LJ, Gerrits MA, Van den Berg CL. Endogenous opioids and reward. European Journal of Pharmacology. 405: 89-101. PMID 11033317 DOI: 10.1016/S0014-2999(00)00544-6  0.535
2000 Ramsey N, Sommer I, Kahn R. Combining language tasks in fMRI analysis improves reliability of the derived laterality index Neuroimage. 11: S318. DOI: 10.1016/S1053-8119(00)91250-3  0.422
2000 Jansma M, Ramsey N, Kahn R. Cognitive load and brain activity in patients with schizophrenia Neuroimage. 11: S88. DOI: 10.1016/S1053-8119(00)91021-8  0.77
2000 Sommer IE, Ramsey NF, Kahn RS. Positive symptoms in schizophrenia are associated with decreased lateralization on functional MRI Schizophrenia Research. 41: 159-160. DOI: 10.1016/S0920-9964(00)90686-8  0.411
2000 Jansma J, Ramsey N, Kahn R. Brain correlates of ineffective shifting between controlled and automatic processing in schizophrenia Schizophrenia Research. 41: 135. DOI: 10.1016/S0920-9964(00)90628-5  0.373
2000 Ramsey N, Welles P, Kahn R. Reduced efficiency of brain systems subserving deductive reasoning in medication-naive schizophrenic patients Schizophrenia Research. 41: 135. DOI: 10.1016/S0920-9964(00)90627-3  0.332
1999 Sommer IE, Ramsey NF, Bouma A, Kahn RS. Cerebral mirror-imaging in a monozygotic twin. Lancet. 354: 1445-6. PMID 10543677 DOI: 10.1016/S0140-6736(99)04130-6  0.424
1999 Ramsey NF, Gerrits MA, Van Ree JM. Naltrexone affects cocaine self-administration in naïve rats through the ventral tegmental area rather than dopaminergic target regions. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 9: 93-9. PMID 10082233 DOI: 10.1016/S0924-977X(98)00009-1  0.507
1999 van der Wee N, Ramsey N, Jansma J, van Megen H, Westenberg H, Kahn R. Spatial working memory in obsessive compulsive disorder: A three-dimensional functional magnetic resonance imaging study European Neuropsychopharmacology. 9: 309. DOI: 10.1016/S0924-977X(99)80404-0  0.325
1998 Ramsey NF, van den Brink JS, van Muiswinkel AM, Folkers PJ, Moonen CT, Jansma JM, Kahn RS. Phase navigator correction in 3D fMRI improves detection of brain activation: quantitative assessment with a graded motor activation procedure. Neuroimage. 8: 240-8. PMID 9758738 DOI: 10.1006/Nimg.1998.0358  0.417
1998 Ruttimann UE, Unser M, Rawlings RR, Rio D, Ramsey NF, Mattay VS, Hommer DW, Frank JA, Weinberger DR. Statistical analysis of functional MRI data in the wavelet domain. Ieee Transactions On Medical Imaging. 17: 142-54. PMID 9688147 DOI: 10.1109/42.700727  0.341
1998 Callicott JH, Ramsey NF, Tallent K, Bertolino A, Knable MB, Coppola R, Goldberg T, van Gelderen P, Mattay VS, Frank JA, Moonen CT, Weinberger DR. Functional magnetic resonance imaging brain mapping in psychiatry: methodological issues illustrated in a study of working memory in schizophrenia. Neuropsychopharmacology : Official Publication of the American College of Neuropsychopharmacology. 18: 186-96. PMID 9471116 DOI: 10.1016/S0893-133X(97)00096-1  0.47
1998 Ramsey N, Koning H, Kahn R. 3D fMRI of functions involved in setshifting Neuroimage. 7: S889. DOI: 10.1016/S1053-8119(18)31722-1  0.308
1998 Jansma J, Ramsey N, van der Linden J, Kahn R. Schizophrenic patients exhibit increased sensorimotor cortex activation with equal performance level Schizophrenia Research. 29: 114. DOI: 10.1016/S0920-9964(97)88588-X  0.36
1998 Ramsey N, Jansma J, Cahn W, Mali W, Kahn R. Motion-corrected 3D fmri assessment of visual cortex: Schizophrenic patients show the same regional response to photic stimulation as controls Schizophrenia Research. 29: 112. DOI: 10.1016/S0920-9964(97)88584-2  0.342
1996 Ramsey NF, Tallent K, van Gelderen P, Frank JA, Moonen CT, Weinberger DR. Reproducibility of human 3D fMRI brain maps acquired during a motor task. Human Brain Mapping. 4: 113-21. PMID 20408191 DOI: 10.1002/(SICI)1097-0193(1996)4:2<113::AID-HBM3>3.0.CO;2-6  0.431
1996 Kuzmin A, Semenova S, Ramsey NF, Zvartau EE, Van Ree JM. Modulation of cocaine intravenous self-administration in drug-naive animals by dihydropyridine Ca2+ channel modulators. European Journal of Pharmacology. 295: 19-25. PMID 8925870 DOI: 10.1016/0014-2999(95)00630-3  0.491
1996 Yang Y, Glover GH, van Gelderen P, Mattay VS, Santha AK, Sexton RH, Ramsey NF, Moonen CT, Weinberger DR, Frank JA, Duyn JH. Fast 3D functional magnetic resonance imaging at 1.5 T with spiral acquisition. Magnetic Resonance in Medicine. 36: 620-6. PMID 8892216 DOI: 10.1002/Mrm.1910360418  0.414
1996 Ramsey NF, Kirkby BS, Van Gelderen P, Berman KF, Duyn JH, Frank JA, Mattay VS, Van Horn JD, Esposito G, Moonen CT, Weinberger DR. Functional mapping of human sensorimotor cortex with 3D BOLD fMRI correlates highly with H2(15)O PET rCBF. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 16: 755-64. PMID 8784221 DOI: 10.1097/00004647-199609000-00001  0.628
1996 Ramsey N, Mattay V, Tallent K, Weinberger D. Number of voxels with fMRI signal change above zt threshold reflects complexity of thumb opposition task Neuroimage. 3: S404. DOI: 10.1016/S1053-8119(96)80406-X  0.342
1996 Ramsey N, van Gelderen P, Tallent K, Callicott J, Moonen C, Weinberger D. Functional magnetic resonance imaging as a research tool: Quality assessment of PRESTO, a non-invasive three-dimensional imaging technique European Neuropsychopharmacology. 6: S4-7-S4-8. DOI: 10.1016/0924-977X(96)83165-8  0.303
1996 Jansma J, Ramsey N, Meinders L, Mali W, Kahn R. Comparison of brain activity patterns during finger opposition with and without tactile stimulation using a BOLD-fMRI method European Neuropsychopharmacology. 6: S4-167. DOI: 10.1016/0924-977X(96)82980-4  0.467
1995 van Gelderen P, Ramsey NF, Liu G, Duyn JH, Frank JA, Weinberger DR, Moonen CT. Three-dimensional functional magnetic resonance imaging of human brain on a clinical 1.5-T scanner. Proceedings of the National Academy of Sciences of the United States of America. 92: 6906-10. PMID 7624341 DOI: 10.1073/pnas.92.15.6906  0.421
1994 Gerrits MA, Ramsey NF, Wolterink G, van Ree JM. Lack of evidence for an involvement of nucleus accumbens dopamine D1 receptors in the initiation of heroin self-administration in the rat. Psychopharmacology. 114: 486-94. PMID 7855207 DOI: 10.1007/Bf02249340  0.498
1994 van Ree JM, Ramsey NF, Gerrits M. Endorphins, emotional stress and experimental cocaine addiction European Neuropsychopharmacology. 4: 208-210. DOI: 10.1016/0924-977X(94)90043-4  0.474
1993 Ramsey NF, Van Ree JM. Emotional but not physical stress enhances intravenous cocaine self-administration in drug-naive rats. Brain Research. 608: 216-22. PMID 8495356 DOI: 10.1016/0006-8993(93)91461-Z  0.494
1993 Ramsey NF, Niesink RJ, Van Ree JM. Prenatal exposure to morphine enhances cocaine and heroin self-administration in drug-naive rats. Drug and Alcohol Dependence. 33: 41-51. PMID 8396529 DOI: 10.1016/0376-8716(93)90032-L  0.506
1992 Ramsey NF, Van Ree JM. Reward and abuse of opiates. Pharmacology & Toxicology. 71: 81-94. PMID 1438034 DOI: 10.1111/J.1600-0773.1992.Tb00525.X  0.512
1992 van Ree JM, Gerrits M, Ramsey NF. The involvement of endorphins and dopamine in experimental addiction European Neuropsychopharmacology. 2: 219-221. DOI: 10.1016/0924-977X(92)90074-I  0.509
1991 Ramsey NF, van Ree JM. Intracerebroventricular naltrexone treatment attenuates acquisition of intravenous cocaine self-administration in rats. Pharmacology, Biochemistry, and Behavior. 40: 807-10. PMID 1816567 DOI: 10.1016/0091-3057(91)90090-O  0.493
1990 Ramsey NF, van Ree JM. Chronic pretreatment with naltrexone facilitates acquisition of intravenous cocaine self-administration in rats. European Neuropsychopharmacology : the Journal of the European College of Neuropsychopharmacology. 1: 55-61. PMID 2136215 DOI: 10.1016/0924-977X(90)90012-Y  0.489
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