Hellmuth Obrig - Publications

Affiliations: 
Charité Hospital, Berlin, Berlin, Berlin, Germany 
Area:
Neurovascular coupling

110 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
2019 Martins MJD, Krause C, Neville DA, Pino D, Villringer A, Obrig H. Recursive hierarchical embedding in vision is impaired by posterior middle temporal gyrus lesions. Brain : a Journal of Neurology. 142: 3217-3229. PMID 31560064 DOI: 10.1093/brain/awz242  1
2019 Groba A, De Houwer A, Obrig H, Rossi S. Bilingual and Monolingual First Language Acquisition Experience Differentially Shapes Children's Property Term Learning: Evidence from Behavioral and Neurophysiological Measures. Brain Sciences. 9. PMID 30759804 DOI: 10.3390/brainsci9020040  0.72
2019 Fritz TH, Schütte F, Steixner A, Contier O, Obrig H, Villringer A. Musical meaning modulates word acquisition. Brain and Language. 190: 10-15. PMID 30665002 DOI: 10.1016/j.bandl.2018.12.001  1
2018 Woost L, Bazin PL, Taubert M, Trampel R, Tardif CL, Garthe A, Kempermann G, Renner U, Stalla G, Ott DVM, Rjosk V, Obrig H, Villringer A, Roggenhofer E, Klein TA. Physical Exercise and Spatial Training: A Longitudinal Study of Effects on Cognition, Growth Factors, and Hippocampal Plasticity. Scientific Reports. 8: 4239. PMID 29523857 DOI: 10.1038/s41598-018-19993-9  1
2016 Obrig H, Mock J, Stephan F, Richter M, Vignotto M, Rossi S. Impact of associative word learning on phonotactic processing in 6-month-old infants: A combined EEG and fNIRS study. Developmental Cognitive Neuroscience. PMID 27692617 DOI: 10.1016/j.dcn.2016.09.001  0.72
2016 Obrig H, Mentzel J, Rossi S. Universal and language-specific sublexical cues in speech perception: a novel electroencephalography-lesion approach. Brain : a Journal of Neurology. PMID 27190021 DOI: 10.1093/brain/aww077  1
2015 Wessel JR, Ullsperger M, Obrig H, Villringer A, Quinque E, Schroeter ML, Bretschneider KJ, Arelin K, Roggenhofer E, Frisch S, Klein TA. Neural synchrony indexes impaired motor slowing after errors and novelty after white matter damage. Neurobiology of Aging. PMID 26563990 DOI: 10.1016/j.neurobiolaging.2015.10.014  1
2015 Schroeter ML, Tiepolt S, Marschhauser A, Thöne-Otto A, Hoffmann KT, Barthel H, Obrig H, Sabri O. Dissociation of amyloid biomarkers in PET and CSF in Alzheimer's disease: a case report. Bmc Neurology. 15: 152. PMID 26303364 DOI: 10.1186/s12883-015-0410-5  0.68
2015 Lesage F, Obrig H. Montreal SfNIRS conference shines light on the brain. Neurophotonics. 2: 020401. PMID 26157990 DOI: 10.1117/1.NPh.2.2.020401  1
2015 Schroeter ML, Tiepolt S, Marschhauser A, Thöne-Otto A, Hoffmann KT, Barthel H, Obrig H, Sabri O. Dissociation of amyloid biomarkers in PET and CSF in Alzheimer's disease: A case report Bmc Neurology. 15. DOI: 10.1186/s12883-015-0410-5  1
2014 Benoit CE, Dalla Bella S, Farrugia N, Obrig H, Mainka S, Kotz SA. Musically cued gait-training improves both perceptual and motor timing in Parkinson's disease. Frontiers in Human Neuroscience. 8: 494. PMID 25071522 DOI: 10.3389/fnhum.2014.00494  1
2014 Henseler I, Regenbrecht F, Obrig H. Lesion correlates of patholinguistic profiles in chronic aphasia: comparisons of syndrome-, modality- and symptom-level assessment. Brain : a Journal of Neurology. 137: 918-30. PMID 24525451 DOI: 10.1093/brain/awt374  1
2014 Piper SK, Krueger A, Koch SP, Mehnert J, Habermehl C, Steinbrink J, Obrig H, Schmitz CH. A wearable multi-channel fNIRS system for brain imaging in freely moving subjects. Neuroimage. 85: 64-71. PMID 23810973 DOI: 10.1016/j.neuroimage.2013.06.062  1
2014 Obrig H. NIRS in clinical neurology - a 'promising' tool? Neuroimage. 85: 535-46. PMID 23558099 DOI: 10.1016/j.neuroimage.2013.03.045  1
2013 Piper SK, Habermehl C, Schmitz CH, Kuebler WM, Obrig H, Steinbrink J, Mehnert J. Towards whole-body fluorescence imaging in humans. Plos One. 8: e83749. PMID 24391820 DOI: 10.1371/journal.pone.0083749  1
2013 Sehm B, Schnitzler T, Obleser J, Groba A, Ragert P, Villringer A, Obrig H. Facilitation of inferior frontal cortex by transcranial direct current stimulation induces perceptual learning of severely degraded speech. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 33: 15868-78. PMID 24089493 DOI: 10.1523/JNEUROSCI.5466-12.2013  1
2013 Kroenke KM, Kraft I, Regenbrecht F, Obrig H. Lexical learning in mild aphasia: gesture benefit depends on patholinguistic profile and lesion pattern. Cortex; a Journal Devoted to the Study of the Nervous System and Behavior. 49: 2637-49. PMID 24001598 DOI: 10.1016/j.cortex.2013.07.012  1
2013 Rossi S, Hartmüller T, Vignotto M, Obrig H. Electrophysiological evidence for modulation of lexical processing after repetitive exposure to foreign phonotactic rules. Brain and Language. 127: 404-14. PMID 23489581 DOI: 10.1016/j.bandl.2013.02.009  1
2013 Dukart J, Perneczky R, Förster S, Barthel H, Diehl-Schmid J, Draganski B, Obrig H, Santarnecchi E, Drzezga A, Fellgiebel A, Frackowiak R, Kurz A, Müller K, Sabri O, Schroeter ML, et al. Reference cluster normalization improves detection of frontotemporal lobar degeneration by means of FDG-PET. Plos One. 8: e55415. PMID 23451025 DOI: 10.1371/journal.pone.0055415  1
2013 Krönke KM, Mueller K, Friederici AD, Obrig H. Learning by doing? The effect of gestures on implicit retrieval of newly acquired words. Cortex; a Journal Devoted to the Study of the Nervous System and Behavior. 49: 2553-68. PMID 23357203 DOI: 10.1016/j.cortex.2012.11.016  1
2013 Mehnert J, Akhrif A, Telkemeyer S, Rossi S, Schmitz CH, Steinbrink J, Wartenburger I, Obrig H, Neufang S. Developmental changes in brain activation and functional connectivity during response inhibition in the early childhood brain. Brain & Development. 35: 894-904. PMID 23265620 DOI: 10.1016/j.braindev.2012.11.006  1
2012 Dresler M, Wehrle R, Spoormaker VI, Koch SP, Holsboer F, Steiger A, Obrig H, Sämann PG, Czisch M. Neural correlates of dream lucidity obtained from contrasting lucid versus non-lucid REM sleep: a combined EEG/fMRI case study. Sleep. 35: 1017-20. PMID 22754049 DOI: 10.5665/sleep.1974  1
2012 Jelzow A, Wabnitz H, Obrig H, Macdonald R, Steinbrink J. Separation of indocyanine green boluses in the human brain and scalp based on time-resolved in-vivo fluorescence measurements. Journal of Biomedical Optics. 17: 057003. PMID 22612142 DOI: 10.1117/1.JBO.17.5.057003  1
2012 Habermehl C, Holtze S, Steinbrink J, Koch SP, Obrig H, Mehnert J, Schmitz CH. Somatosensory activation of two fingers can be discriminated with ultrahigh-density diffuse optical tomography. Neuroimage. 59: 3201-11. PMID 22155031 DOI: 10.1016/j.neuroimage.2011.11.062  1
2012 Rossi S, Telkemeyer S, Wartenburger I, Obrig H. Shedding light on words and sentences: near-infrared spectroscopy in language research. Brain and Language. 121: 152-63. PMID 21546074 DOI: 10.1016/j.bandl.2011.03.008  1
2012 Krüger A, Koch SP, Mehnert J, Habermehl C, Piper S, Steinbrink J, Obrig H, Schmitz CH. Imaging of motor activity in freely moving subjects using a wearable NIRS imaging system Biomedical Optics, Biomed 2012. BM4A.3.  1
2012 Mehnert J, Piper S, Habermehl C, Schmitz CH, Obrig H, Steinbrink J. Whole body fluorescence imaging in humans Biomedical Optics, Biomed 2012. BW4A.6.  1
2012 Steinkellner O, Wabnitz H, Jelzow A, MacDonald R, Gruber C, Steinbrink J, Obrig H. Cerebral perfusion in acute stroke monitored by time-domain near-infrared reflectometry Biocybernetics and Biomedical Engineering. 32: 3-16.  1
2011 Dresler M, Koch SP, Wehrle R, Spoormaker VI, Holsboer F, Steiger A, Sämann PG, Obrig H, Czisch M. Dreamed movement elicits activation in the sensorimotor cortex. Current Biology : Cb. 21: 1833-7. PMID 22036177 DOI: 10.1016/j.cub.2011.09.029  1
2011 Sehm B, Frisch S, Thöne-Otto A, Horstmann A, Villringer A, Obrig H. Focal retrograde amnesia: voxel-based morphometry findings in a case without MRI lesions. Plos One. 6: e26538. PMID 22028902 DOI: 10.1371/journal.pone.0026538  1
2011 Obrig H, Steinbrink J. Non-invasive optical imaging of stroke. Philosophical Transactions. Series a, Mathematical, Physical, and Engineering Sciences. 369: 4470-94. PMID 22006902 DOI: 10.1098/rsta.2011.0252  1
2011 Telkemeyer S, Rossi S, Nierhaus T, Steinbrink J, Obrig H, Wartenburger I. Acoustic processing of temporally modulated sounds in infants: evidence from a combined near-infrared spectroscopy and EEG study. Frontiers in Psychology. 1: 62. PMID 21716574 DOI: 10.3389/fpsyg.2011.00062  1
2011 Rossi S, Jürgenson IB, Hanulíková A, Telkemeyer S, Wartenburger I, Obrig H. Implicit processing of phonotactic cues: evidence from electrophysiological and vascular responses. Journal of Cognitive Neuroscience. 23: 1752-64. PMID 20666594 DOI: 10.1162/jocn.2010.21547  1
2010 Steinkellner O, Gruber C, Wabnitz H, Jelzow A, Steinbrink J, Fiebach JB, Macdonald R, Obrig H. Optical bedside monitoring of cerebral perfusion: technological and methodological advances applied in a study on acute ischemic stroke. Journal of Biomedical Optics. 15: 061708. PMID 21198156 DOI: 10.1117/1.3505009  1
2010 Obrig H, Rossi S, Telkemeyer S, Wartenburger I. From acoustic segmentation to language processing: evidence from optical imaging. Frontiers in Neuroenergetics. 2. PMID 20725516 DOI: 10.3389/fnene.2010.00013  0.72
2010 Koch SP, Habermehl C, Mehnert J, Schmitz CH, Holtze S, Villringer A, Steinbrink J, Obrig H. High-resolution optical functional mapping of the human somatosensory cortex. Frontiers in Neuroenergetics. 2: 12. PMID 20616883 DOI: 10.3389/fnene.2010.00012  1
2010 Wabnitz H, Moeller M, Liebert A, Obrig H, Steinbrink J, Macdonald R. Time-resolved near-infrared spectroscopy and imaging of the adult human brain. Advances in Experimental Medicine and Biology. 662: 143-8. PMID 20204784 DOI: 10.1007/978-1-4419-1241-1_20  1
2010 Schmitz CH, Koch SP, Mehnert J, Holtze S, Habermehl C, Villringer A, Obrig H. High-density optical mapping of the human somatosensory cortex Optics Infobase Conference Papers 1
2010 Jelzow A, Wabnitz H, Macdonald R, Koch SP, Steinbrink J, Obrig H. Combined EEG and time-resolved NIRS to study neuro-vascular coupling in the adult brain Optics Infobase Conference Papers 1
2009 Telkemeyer S, Rossi S, Koch SP, Nierhaus T, Steinbrink J, Poeppel D, Obrig H, Wartenburger I. Sensitivity of newborn auditory cortex to the temporal structure of sounds. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 29: 14726-33. PMID 19940167 DOI: 10.1523/JNEUROSCI.1246-09.2009  1
2009 Koch SP, Werner P, Steinbrink J, Fries P, Obrig H. Stimulus-induced and state-dependent sustained gamma activity is tightly coupled to the hemodynamic response in humans. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 29: 13962-70. PMID 19890006 DOI: 10.1523/JNEUROSCI.1402-09.2009  1
2008 Steinbrink J, Liebert A, Wabnitz H, Macdonald R, Obrig H, Wunder A, Bourayou R, Betz T, Klohs J, Lindauer U, Dirnagl U, Villringer A. Towards noninvasive molecular fluorescence imaging of the human brain. Neuro-Degenerative Diseases. 5: 296-303. PMID 18520164 DOI: 10.1159/000135614  1
2008 Koch SP, Koendgen S, Bourayou R, Steinbrink J, Obrig H. Individual alpha-frequency correlates with amplitude of visual evoked potential and hemodynamic response. Neuroimage. 41: 233-42. PMID 18395469 DOI: 10.1016/j.neuroimage.2008.02.018  1
2008 Hofmann MJ, Herrmann MJ, Dan I, Obrig H, Conrad M, Kuchinke L, Jacobs AM, Fallgatter AJ. Differential activation of frontal and parietal regions during visual word recognition: an optical topography study. Neuroimage. 40: 1340-9. PMID 18262438 DOI: 10.1016/j.neuroimage.2007.12.037  1
2008 Wabnitz H, Jelzow A, Macdonald R, Obrig H, Steinbrink J. Recovery of indocyanine green boli in the cortex of adult humans from time-resolved in-vivo fluorescence measurements Biomedical Optics, Biomed 2008. BSuC4.  1
2007 Boden S, Obrig H, Köhncke C, Benav H, Koch SP, Steinbrink J. The oxygenation response to functional stimulation: is there a physiological meaning to the lag between parameters? Neuroimage. 36: 100-7. PMID 17400478 DOI: 10.1016/j.neuroimage.2007.01.045  1
2007 Wartenburger I, Steinbrink J, Telkemeyer S, Friedrich M, Friederici AD, Obrig H. The processing of prosody: Evidence of interhemispheric specialization at the age of four. Neuroimage. 34: 416-25. PMID 17056277 DOI: 10.1016/j.neuroimage.2006.09.009  1
2006 Steinbrink J, Fischer T, Kuppe H, Hetzer R, Uludag K, Obrig H, Kuebler WM. Relevance of depth resolution for cerebral blood flow monitoring by near-infrared spectroscopic bolus tracking during cardiopulmonary bypass. The Journal of Thoracic and Cardiovascular Surgery. 132: 1172-8. PMID 17059940 DOI: 10.1016/j.jtcvs.2006.05.065  1
2006 Steinbrink J, Villringer A, Kempf F, Haux D, Boden S, Obrig H. Illuminating the BOLD signal: combined fMRI-fNIRS studies. Magnetic Resonance Imaging. 24: 495-505. PMID 16677956 DOI: 10.1016/j.mri.2005.12.034  1
2006 Koch SP, Steinbrink J, Villringer A, Obrig H. Synchronization between background activity and visually evoked potential is not mirrored by focal hyperoxygenation: implications for the interpretation of vascular brain imaging. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 26: 4940-8. PMID 16672669 DOI: 10.1523/JNEUROSCI.3989-05.2006  1
2006 Liebert A, Wabnitz H, Obrig H, Erdmann R, Möller M, Macdonald R, Rinneberg H, Villringer A, Steinbrink J. Non-invasive detection of fluorescence from exogenous chromophores in the adult human brain. Neuroimage. 31: 600-8. PMID 16478666 DOI: 10.1016/j.neuroimage.2005.12.046  1
2006 Berger J, Betz T, Voigt J, Macdonald R, Ebert B, Mory D, Baumgärtel J, Obrig H. Comparison of CCD and scanning devices for fluorescencence imaging of inhomogeneities in tissue like phantoms and in vivo Optics Infobase Conference Papers 1
2005 Steinbrink J, Kempf FC, Villringer A, Obrig H. The fast optical signal--robust or elusive when non-invasively measured in the human adult? Neuroimage. 26: 996-1008. PMID 15961042 DOI: 10.1016/j.neuroimage.2005.03.006  1
2005 Liebert A, Wabnitz H, Steinbrink J, Möller M, Macdonald R, Rinneberg H, Villringer A, Obrig H. Bed-side assessment of cerebral perfusion in stroke patients based on optical monitoring of a dye bolus by time-resolved diffuse reflectance. Neuroimage. 24: 426-35. PMID 15627584 DOI: 10.1016/j.neuroimage.2004.08.046  1
2005 Wabnitz H, Mo̊ller M, Liebert A, Walter A, Erdmann R, Raitza O, Drenckhahn C, Dreier JP, Obrig H, Steinbrink J, Macdonald R. A time-domain NIR brain imager applied in functional stimulation experiments Progress in Biomedical Optics and Imaging - Proceedings of Spie. 5859: 1-9.  1
2004 Hargroves DR, Tallis RC, Pomeroy VM, Bhalla A, Obrig H, Steinbrink J, Villringer A. Near-infrared spectroscopy in stroke: From research to clinical practice [1] (multiple letters) Stroke. 35: 2430-2431. PMID 15486331 DOI: 10.1161/01.STR.0000144656.77330.18  1
2004 Uluda? K, Steinbrink J, Villringer A, Obrig H. Separability and cross talk: optimizing dual wavelength combinations for near-infrared spectroscopy of the adult head. Neuroimage. 22: 583-9. PMID 15193586 DOI: 10.1016/j.neuroimage.2004.02.023  1
2004 Liebert A, Wabnitz H, Steinbrink J, Obrig H, Möller M, Macdonald R, Villringer A, Rinneberg H. Time-resolved multidistance near-infrared spectroscopy of the adult head: intracerebral and extracerebral absorption changes from moments of distribution of times of flight of photons. Applied Optics. 43: 3037-47. PMID 15176190 DOI: 10.1364/AO.43.003037  1
2004 Uluda? K, Steinbrink J, Kohl-Bareis M, Wenzel R, Villringer A, Obrig H. Cytochrome-c-oxidase redox changes during visual stimulation measured by near-infrared spectroscopy cannot be explained by a mere cross talk artefact. Neuroimage. 22: 109-19. PMID 15110001 DOI: 10.1016/j.neuroimage.2003.09.053  1
2004 Mackert BM, Wübbeler G, Leistner S, Uludag K, Obrig H, Villringer A, Trahms L, Curio G. Neurovascular coupling analyzed non-invasively in the human brain. Neuroreport. 15: 63-6. PMID 15106832 DOI: 10.1097/00001756-200401190-00013  1
2004 Schroeter ML, Bücheler MM, Müller K, Uluda? K, Obrig H, Lohmann G, Tittgemeyer M, Villringer A, von Cramon DY. Towards a standard analysis for functional near-infrared imaging. Neuroimage. 21: 283-90. PMID 14741666 DOI: 10.1016/j.neuroimage.2003.09.054  1
2004 Villringer A, Steinbrink J, Obrig H. Editorial comment--cerebral near-infrared spectroscopy: how far away from a routine diagnostic tool? Stroke; a Journal of Cerebral Circulation. 35: 70-2. PMID 14699169 DOI: 10.1161/01.STR.0000110122.57772.C3  1
2004 Buchheim K, Obrig H, v Pannwitz W, Müller A, Heekeren H, Villringer A, Meierkord H. Decrease in haemoglobin oxygenation during absence seizures in adult humans. Neuroscience Letters. 354: 119-22. PMID 14698453 DOI: 10.1016/j.neulet.2003.10.001  1
2003 Syré F, Obrig H, Steinbrink J, Kohl M, Wenzel R, Villringer A. Are VEP correlated fast optical signals detectable in the human adult by non-invasive nearinfrared spectroscopy (NIRS)? Advances in Experimental Medicine and Biology. 530: 421-31. PMID 14562737  1
2003 Cannestra AF, Wartenburger I, Obrig H, Villringer A, Toga AW. Functional assessment of Broca's area using near infrared spectroscopy in humans. Neuroreport. 14: 1961-5. PMID 14561929 DOI: 10.1097/01.wnr.0000091691.72892.a5  1
2003 Moosmann M, Ritter P, Krastel I, Brink A, Thees S, Blankenburg F, Taskin B, Obrig H, Villringer A. Correlates of alpha rhythm in functional magnetic resonance imaging and near infrared spectroscopy. Neuroimage. 20: 145-58. PMID 14527577 DOI: 10.1016/S1053-8119(03)00344-6  1
2003 Obrig H, Villringer A. Beyond the visible--imaging the human brain with light. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 23: 1-18. PMID 12500086  1
2003 Obrig H, Steinbrink J, Villringer A. The Blushing Brain: Changes in Brain Colour Indicate the Functional State of the Cerebral Cortex Medical Laser Application. 18: 206-216. DOI: 10.1078/1615-1615-00104  1
2003 Liebert A, Wabnitz H, Steinbrink J, Obrig H, Möller M, Macdonald R, Rinneberg H. Intra- and extracerebral changes of hemoglobin concentrations by analysis of moments of distributions of times of flight of photons Proceedings of Spie - the International Society For Optical Engineering. 5138: 126-130.  1
2003 Steinbrink J, Kempf F, Schreiber S, Uludag K, Kohl M, Valdueza JM, Villringer A, Obrig H. Functional brain imaging by CW-NIRS coregistered by blood flow monitors Proceedings of Spie - the International Society For Optical Engineering. 5138: 131-138.  1
2002 Obrig H, Israel H, Kohl-Bareis M, Uludag K, Wenzel R, Müller B, Arnold G, Villringer A. Habituation of the visually evoked potential and its vascular response: implications for neurovascular coupling in the healthy adult. Neuroimage. 17: 1-18. PMID 12482064 DOI: 10.1006/nimg.2002.1177  1
2002 Kohl-Bareis M, Obrig H, Steinbrink J, Malak J, Uludag K, Villringer A. Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signals. Journal of Biomedical Optics. 7: 464-70. PMID 12175298 DOI: 10.1117/1.1482719  1
2002 Uludag K, Kohl M, Steinbrink J, Obrig H, Villringer A. Cross talk in the Lambert-Beer calculation for near-infrared wavelengths estimated by Monte Carlo simulations. Journal of Biomedical Optics. 7: 51-9. PMID 11818012 DOI: 10.1117/1.1427048  1
2001 Steinbrink J, Wabnitz H, Obrig H, Villringer A, Rinneberg H. Determining changes in NIR absorption using a layered model of the human head. Physics in Medicine and Biology. 46: 879-96. PMID 11277232 DOI: 10.1088/0031-9155/46/3/320  1
2001 Wobst P, Wenzel R, Kohl M, Obrig H, Villringer A. Linear aspects of changes in deoxygenated hemoglobin concentration and cytochrome oxidase oxidation during brain activation. Neuroimage. 13: 520-30. PMID 11170817 DOI: 10.1006/nimg.2000.0706  1
2001 Kohl M, Obrig H, Steinbrink J, Malak J, Uludag K, Villringer A. Non-invasive cerebral blood flow monitoring by a dye bolus method: Separation of extra- and intracerebral absorption changes by frequency-domain spectroscopy Proceedings of Spie - the International Society For Optical Engineering. 4250: 296-300. DOI: 10.1117/12.434501  1
2000 Obrig H, Neufang M, Wenzel R, Kohl M, Steinbrink J, Einhäupl K, Villringer A. Spontaneous low frequency oscillations of cerebral hemodynamics and metabolism in human adults. Neuroimage. 12: 623-39. PMID 11112395 DOI: 10.1006/nimg.2000.0657  1
2000 Steinbrink J, Kohl M, Obrig H, Curio G, Syré F, Thomas F, Wabnitz H, Rinneberg H, Villringer A. Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head. Neuroscience Letters. 291: 105-8. PMID 10978585 DOI: 10.1016/S0304-3940(00)01395-1  1
2000 Wenzel R, Wobst P, Heekeren HH, Kwong KK, Brandt SA, Kohl M, Obrig H, Dirnagl U, Villringer A. Saccadic suppression induces focal hypooxygenation in the occipital cortex. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 20: 1103-10. PMID 10908044 DOI: 10.1097/00004647-200007000-00010  1
2000 Benaron DA, Hintz SR, Villringer A, Boas D, Kleinschmidt A, Frahm J, Hirth C, Obrig H, van Houten JC, Kermit EL, Cheong WF, Stevenson DK. Noninvasive functional imaging of human brain using light. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 20: 469-77. PMID 10724111 DOI: 10.1097/00004647-200003000-00005  1
2000 Obrig H, Wenzel R, Kohl M, Horst S, Wobst P, Steinbrink J, Thomas F, Villringer A. Near-infrared spectroscopy: does it function in functional activation studies of the adult brain? International Journal of Psychophysiology : Official Journal of the International Organization of Psychophysiology. 35: 125-42. PMID 10677642 DOI: 10.1016/S0167-8760(99)00048-3  1
2000 Kohl M, Obrig H, Steinbrink J, Malak J, Wabnitz H, Rinneberg H, Villringer A. Optical bed-side assessment of cerebral perfusion a near-infrared-spectroscopy study Neuroimage. 11: S784.  1
2000 Wabnitz H, Steinbrink J, Rinneberg H, Obrig H, Villringer A. Oxygen saturation in the brain from time-resolved diffuse reflectance measurements Conference On Lasers and Electro-Optics Europe - Technical Digest. 354.  1
1999 Heekeren HR, Kohl M, Obrig H, Wenzel R, von Pannwitz W, Matcher SJ, Dirnagl U, Cooper CE, Villringer A. Noninvasive assessment of changes in cytochrome-c oxidase oxidation in human subjects during visual stimulation. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 19: 592-603. PMID 10366189 DOI: 10.1097/00004647-199906000-00002  1
1999 Steinbrink J, Syré F, Kohl M, Obrig H, Wenzel R, Villringer A. Fast optical signals: Are they detectable through the intact adult skull? Neuroimage. 9: S312.  1
1999 Neufang M, Obrig H, Wenzel RR, Kohl M, Scholz U, Malak J, Villringer A. Spontaneous low frequency oscillations are attenuated by visual stimulation: A NIRS study Neuroimage. 9: S311.  1
1999 Thomas F, Wenzel R, Steinbrink J, Obrig H, Kohl M, Scholz U, Villringer A. Nonlinear traits in the response of deoxyhemoglobin to short visual stimuli Neuroimage. 9: S313.  1
1998 Kohl M, Nolte C, Heekeren HR, Horst S, Scholz U, Obrig H, Villringer A. Determination of the wavelength dependence of the differential pathlength factor from near-infrared pulse signals. Physics in Medicine and Biology. 43: 1771-82. PMID 9651039 DOI: 10.1088/0031-9155/43/6/028  1
1998 Wenzel R, Horst S, Obrig H, Henning C, Kohl M, Villringer A. Localised cytochrome-oxidase redox state and haemoglobin oxygenation response over visual area MT shown with a multilocular full-spectrum NIRS Neuroimage. 7: S258.  1
1997 Ruben J, Wenzel R, Obrig H, Villringer K, Bernarding J, Hirth C, Heekeren H, Dirnagl U, Villringer A. Haemoglobin oxygenation changes during visual stimulation in the occipital cortex. Advances in Experimental Medicine and Biology. 428: 181-7. PMID 9500046  1
1997 Obrig H, Hirth C, Junge-Hülsing JG, Döge C, Wenzel R, Wolf T, Dirnagl U, Villringer A. Length of resting period between stimulation cycles modulates hemodynamic response to a motor stimulus. Advances in Experimental Medicine and Biology. 411: 471-80. PMID 9269464  1
1997 Hirth C, Obrig H, Valdueza J, Dirnagl U, Villringer A. Simultaneous assessment of cerebral oxygenation and hemodynamics during a motor task. A combined near infrared and transcranial Doppler sonography study. Advances in Experimental Medicine and Biology. 411: 461-9. PMID 9269463  1
1997 Villringer K, Minoshima S, Hock C, Obrig H, Ziegler S, Dirnagl U, Schwaiger M, Villringer A. Assessment of local brain activation. A simultaneous PET and near-infrared spectroscopy study. Advances in Experimental Medicine and Biology. 413: 149-53. PMID 9238495  1
1997 Hirth C, Villringer K, Thiel A, Bernarding J, Mühlnickl W, Obrig H, Dirnagl U, Villringer A. Towards brain mapping combining near-infrared spectroscopy and high resolution 3D MRI. Advances in Experimental Medicine and Biology. 413: 139-47. PMID 9238494  1
1997 Obrig H, Villringer A. Near-infrared spectroscopy in functional activation studies. Can NIRS demonstrate cortical activation? Advances in Experimental Medicine and Biology. 413: 113-27. PMID 9238492  1
1997 Heekeren HR, Obrig H, Wenzel R, Eberle K, Ruben J, Villringer K, Kurth R, Villringer A. Cerebral haemoglobin oxygenation during sustained visual stimulation--a near-infrared spectroscopy study. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 352: 743-50. PMID 9232863 DOI: 10.1098/rstb.1997.0057  1
1997 Kohl M, Nolte C, Heekeren HR, Horst S, Scholz U, Obrig H, Villringer A. Changes in cytochrome-oxidase oxidation in the occipital cortex during visual stimulation: Improvement in sensitivity by the determination of the wavelength dependence of the differential pathlength factor Proceedings of Spie - the International Society For Optical Engineering. 3194: 18-27. DOI: 10.1117/12.301055  1
1997 Heekeren HR, Wenzel R, Obrig H, Ruben J, Ndayisaba JP, Luo Q, Dale A, Nioka S, Kohl M, Dirnagl U, Villringer A, Chance B. Towards noninvasive optical human brain mapping - Improvements of the spectral, temporal and spatial resolution of near-infrared spectroscopy Proceedings of Spie - the International Society For Optical Engineering. 2979: 847-857. DOI: 10.1117/12.280233  1
1997 Wenzel R, Keckeren HR, Luo Q, Dale A, Obrig H, Ruben J, Villringer K, Thiel A, Villringer A, Chance B. Identification of visual area V5/MT with near-infrared-spectroscopy and imaging - A feasibility study Neuroimage. 5: S506.  1
1997 Villringer A, Heekeren HR, Obrig H, V. Pannwitz W, Ramshorn A, Kohl M, Villringer K, Cooper C. Cytochrome-oxidase oxidation in the occipital cortex during visual stimulation - A whole-spectrum near-infrared spectroscopy study Neuroimage. 5: S361.  1
1997 Heckeren HR, Wenzel R, Brandt SA, Ramshorn A, Obrig H, Pannwitz WV, Villringer K, Kurth R, Kohl M, Villringer A. Hemoglobin oxygenation during cerebral activation and deactivation Neuroimage. 5: S34.  1
1997 Obrig H, Heekeren HR, Eberle K, Ramshorn A, Wenzel R, Pannwitz WV, Villringer K, Schwiemann J, Kurth R, Villringer A. Hemoglobin oxygenation changes during prolonged visual stimulation Neuroimage. 5: S39.  1
1996 Wenzel R, Obrig H, Ruben J, Villringer K, Thiel A, Bernarding J, Dirnagl U, Villringer A. Cerebral blood oxygenation changes induced by visual stimulation in humans. Journal of Biomedical Optics. 1: 399-404. PMID 23014782 DOI: 10.1117/12.251465  1
1996 Hirth C, Obrig H, Villringer K, Thiel A, Bernarding J, Mühlnickel W, Flor H, Dirnagl U, Villringer A. Non-invasive functional mapping of the human motor cortex using near-infrared spectroscopy. Neuroreport. 7: 1977-81. PMID 8905707  1
1996 Wolf T, Lindauer U, Obrig H, Dreier J, Back T, Villringer A, Dirnagl U. Systemic nitric oxide synthase inhibition does not affect brain oxygenation during cortical spreading depression in rats: a noninvasive near-infrared spectroscopy and laser-Doppler flowmetry study. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 16: 1100-7. PMID 8898681 DOI: 10.1097/00004647-199611000-00003  1
1996 Obrig H, Hirth C, Junge-Hülsing JG, Döge C, Wolf T, Dirnagl U, Villringer A. Cerebral oxygenation changes in response to motor stimulation. Journal of Applied Physiology (Bethesda, Md. : 1985). 81: 1174-83. PMID 8889751  1
1996 Wolf T, Lindauer U, Obrig H, Villringer A, Dirnagl U. Extra- and intracellular oxygen supply during cortical spreading depression in the rat. Advances in Experimental Medicine and Biology. 388: 299-304. PMID 8798826  1
1996 Obrig H, Wolf T, Döge C, Hülsing JJ, Dirnagl U, Villringer A. Cerebral oxygenation changes during motor and somatosensory stimulation in humans, as measured by near-infrared spectroscopy. Advances in Experimental Medicine and Biology. 388: 219-24. PMID 8798815  1
1996 Kleinschmidt A, Obrig H, Requardt M, Merboldt KD, Dirnagl U, Villringer A, Frahm J. Simultaneous recording of cerebral blood oxygenation changes during human brain activation by magnetic resonance imaging and near-infrared spectroscopy. Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism. 16: 817-26. PMID 8784226 DOI: 10.1097/00004647-199609000-00006  1
1996 Brandt SA, Davis TL, Obrig H, Meyer BU, Belliveau JW, Rosen BR, Villringer A. Functional magnetic resonance imaging shows localized brain activation during serial transcranial stimulation in man. Neuroreport. 7: 734-6. PMID 8733733  1
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