visual evoked potentials

Summary

Summary: The electric response evoked in the cerebral cortex by visual stimulation or stimulation of the visual pathways.

Top Publications

  1. ncbi Speed of processing in the human visual system
    S Thorpe
    Centre de Recherche Cerveau and Cognition, Toulouse, France
    Nature 381:520-2. 1996
  2. ncbi Cortical sources of the early components of the visual evoked potential
    Francesco Di Russo
    Department of Neurosciences, UCSD, La Jolla, California 92093 0608, USA
    Hum Brain Mapp 15:95-111. 2002
  3. ncbi The time course of visual processing: from early perception to decision-making
    R VanRullen
    Centre de Recherche Cerveau et Cognition, France
    J Cogn Neurosci 13:454-61. 2001
  4. ncbi ISCEV standard for clinical visual evoked potentials (2009 update)
    J Vernon Odom
    West Virginia University Eye Institute, Morgantown, WV 26506 9193, USA
    Doc Ophthalmol 120:111-9. 2010
  5. ncbi LFP power spectra in V1 cortex: the graded effect of stimulus contrast
    J Andrew Henrie
    Center for Neural Science, New York University, 4 Washington Place, Rm 809, New York, New York 10003, USA
    J Neurophysiol 94:479-90. 2005
  6. ncbi Predicting the orientation of invisible stimuli from activity in human primary visual cortex
    John Dylan Haynes
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK
    Nat Neurosci 8:686-91. 2005
  7. ncbi Event-related brain potentials distinguish processing stages involved in face perception and recognition
    M Eimer
    Department of Experimental Psychology, University of Cambridge, Downing Street, Cambridge, UK
    Clin Neurophysiol 111:694-705. 2000
  8. ncbi Emotional and semantic networks in visual word processing: insights from ERP studies
    Johanna Kissler
    Department of Psychology, University of Konstanz, P O Box D25, D 78457 Konstanz, Germany
    Prog Brain Res 156:147-83. 2006
  9. ncbi Visual evoked potentials, heart rate responses and memory to emotional pictorial stimuli
    D Palomba
    Department of General Psychology, University of Padova, Italy
    Int J Psychophysiol 27:55-67. 1997
  10. ncbi Mapping implied body actions in the human motor system
    Cosimo Urgesi
    Dipartimento di Scienze Neurologiche e della Visione, Sezione di Fisiologia Umana, Universita di Verona, I 37134 Verona, Italy
    J Neurosci 26:7942-9. 2006

Research Grants

  1. Role of homocysteine in retinal disease
    Sylvia B Smith; Fiscal Year: 2013
  2. Dynamic Neuroimaging with High-resolution SSVEPs
    Ramesh Srinivasan; Fiscal Year: 2012
  3. Studying models and mechanisms of optic nerve diseases.
    Donald C Hood; Fiscal Year: 2013
  4. EARLY CORTICAL PROCESSING IN SCHIZOPHRENIA
    Daniel C Javitt; Fiscal Year: 2013
  5. Transdiagnostic psychiatric symptoms related to visual processing abnormalities
    JEFFREY SCOTT BEDWELL; Fiscal Year: 2013
  6. CENTRAL NERVOUS SYSTEM EFFECTS OF PCE EXPOSURE IN HUMANS
    Diana Echeverria; Fiscal Year: 1992
  7. OPTIC NERVE DEMYELINATION STUDY USING MRI
    Scott Fraser; Fiscal Year: 2001
  8. NEUROPHYSIOLOGY DATABASE OF INBRED MUTANT STRAINS
    Jeffrey Noebels; Fiscal Year: 2001
  9. VISUAL TESTING OF INFANTS REARED IN NEONATAL ICUS
    Joelle Mast; Fiscal Year: 1992
  10. LOCALIZATION OF PATTERN VISUAL EVOKED POTENTIALS
    WILLIAM BIERSDORF; Fiscal Year: 1993

Detail Information

Publications354 found, 100 shown here

  1. ncbi Speed of processing in the human visual system
    S Thorpe
    Centre de Recherche Cerveau and Cognition, Toulouse, France
    Nature 381:520-2. 1996
    ..ERP analysis revealed a frontal negativity specific to no-go trials that develops roughly 150 ms after stimulus onset. We conclude that the visual processing needed to perform this highly demanding task can be achieved in under 150 ms...
  2. ncbi Cortical sources of the early components of the visual evoked potential
    Francesco Di Russo
    Department of Neurosciences, UCSD, La Jolla, California 92093 0608, USA
    Hum Brain Mapp 15:95-111. 2002
    ..These findings clarify the anatomical origin of these VEP components, which have been studied extensively in relation to visual-perceptual processes...
  3. ncbi The time course of visual processing: from early perception to decision-making
    R VanRullen
    Centre de Recherche Cerveau et Cognition, France
    J Cogn Neurosci 13:454-61. 2001
    ..Although average ERP responses reflect the visual category of the stimulus shortly after visual processing has begun (e.g. 75-80 msec), this difference is not correlated with the subject's behavior until 150 msec poststimulus...
  4. ncbi ISCEV standard for clinical visual evoked potentials (2009 update)
    J Vernon Odom
    West Virginia University Eye Institute, Morgantown, WV 26506 9193, USA
    Doc Ophthalmol 120:111-9. 2010
    b>Visual evoked potentials (VEPs) can provide important diagnostic information regarding the functional integrity of the visual system. This document updates the ISCEV standard for clinical VEP testing and supersedes the 2004 standard...
  5. ncbi LFP power spectra in V1 cortex: the graded effect of stimulus contrast
    J Andrew Henrie
    Center for Neural Science, New York University, 4 Washington Place, Rm 809, New York, New York 10003, USA
    J Neurophysiol 94:479-90. 2005
    ....
  6. ncbi Predicting the orientation of invisible stimuli from activity in human primary visual cortex
    John Dylan Haynes
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK
    Nat Neurosci 8:686-91. 2005
    ..Our findings show that conventional fMRI can be used to reveal feature-selective processing in human cortex, even for invisible stimuli...
  7. ncbi Event-related brain potentials distinguish processing stages involved in face perception and recognition
    M Eimer
    Department of Experimental Psychology, University of Cambridge, Downing Street, Cambridge, UK
    Clin Neurophysiol 111:694-705. 2000
    ..An event-related brain potential (ERP) study investigated how different processing stages involved in face identification are reflected by ERP modulations, and how stimulus repetitions and attentional set influence such effects...
  8. ncbi Emotional and semantic networks in visual word processing: insights from ERP studies
    Johanna Kissler
    Department of Psychology, University of Konstanz, P O Box D25, D 78457 Konstanz, Germany
    Prog Brain Res 156:147-83. 2006
    ..Mapping the interplay between cortical and subcortical mechanisms that give rise to amplified cortical responses to emotional words will be of highest priority for future research...
  9. ncbi Visual evoked potentials, heart rate responses and memory to emotional pictorial stimuli
    D Palomba
    Department of General Psychology, University of Padova, Italy
    Int J Psychophysiol 27:55-67. 1997
    ..The influence of pleasant, unpleasant, and neutral photographic slides on visual evoked potentials (VEPs), heart rate responses, and free recall, was investigated in 20 normal subjects...
  10. ncbi Mapping implied body actions in the human motor system
    Cosimo Urgesi
    Dipartimento di Scienze Neurologiche e della Visione, Sezione di Fisiologia Umana, Universita di Verona, I 37134 Verona, Italy
    J Neurosci 26:7942-9. 2006
    ..The absence of motor evoked potential modulation during observation of end posture stimuli may indicate that the observation-execution matching system is preferentially activated by implied, ongoing but not yet completed actions...
  11. ncbi Visual evoked potentials modulation during direct current cortical polarization
    Neri Accornero
    Department of Neurological Sciences, University of Rome La Sapienza, Viale Regina Elena 336, 00161 Rome, Italy
    Exp Brain Res 178:261-6. 2007
    ..The effects of anodal and cathodal polarization remain controversial. We studied changes in visual evoked potentials (VEPs) during and after anodal and cathodal tDCS by applying, in healthy volunteers, 1 mA polarization ..
  12. ncbi Attention induces synchronization-based response gain in steady-state visual evoked potentials
    Yee Joon Kim
    Department of Psychology and Institute for Neuroscience, Northwestern University, 2029 Sheridan Road, Evanston, Illinois 60208, USA
    Nat Neurosci 10:117-25. 2007
    ..We monitored frequency-tagged steady-state visual evoked potentials (SSVEPs) in humans and found that voluntary sustained attention multiplicatively increased stimulus-..
  13. ncbi Visual evoked potentials standard (2004)
    J Vernon Odom
    West Virginia University Eye Institute, Morgantown, WV 26506 9193, USA
    Doc Ophthalmol 108:115-23. 2004
  14. ncbi Event related potentials to emotional adjectives during reading
    Cornelia Herbert
    Department of Psychology, University of Konstanz, Konstanz, Germany
    Psychophysiology 45:487-98. 2008
    ..Initially, emotional arousal drives attention capture (EPN). Healthy subjects may have a natural bias toward pleasant information facilitating late ERPs (N400, LPP) to pleasant adjectives as well as their superior recall...
  15. ncbi Structural encoding and recognition of biological motion: evidence from event-related potentials and source analysis
    Daniel Jokisch
    Institute of Cognitive Neuroscience, Ruhr University Bochum, Universitatsstr 150, D 44780 Bochum, Germany
    Behav Brain Res 157:195-204. 2005
    ....
  16. ncbi Cortical neurophysiology of anticipatory anxiety: an investigation utilizing steady state probe topography (SSPT)
    M Gray
    Neuropsychopharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology, 400 Burwood Road Hawthorn 3122, Victoria, Australia
    Neuroimage 20:975-86. 2003
    ....
  17. ncbi Multifocal VEP and ganglion cell damage: applications and limitations for the study of glaucoma
    Donald C Hood
    Department of Psychology, Columbia University, New York, NY 10027 7004, USA
    Prog Retin Eye Res 22:201-51. 2003
    With the multifocal technique, visual evoked potentials (VEPs) can be recorded simultaneously from many regions of the visual field in a matter of minutes...
  18. ncbi Temporal characterization of the neural correlates of perceptual decision making in the human brain
    Marios G Philiastides
    Laboratory for Intelligent Imaging and Neural Computing, Department of Biomedical Engineering, Columbia University, New York, NY 10027, USA
    Cereb Cortex 16:509-18. 2006
    ..These findings demonstrate a temporal evolution of component activity indicative of an evidence accumulation process which begins after early visual perception and has a processing time that depends on the strength of the evidence...
  19. ncbi Object selectivity of local field potentials and spikes in the macaque inferior temporal cortex
    Gabriel Kreiman
    McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Neuron 49:433-45. 2006
    ..These observations imply that inputs to IT neurons convey selectivity for complex shapes and that such input may have an underlying organization spanning several millimeters...
  20. ncbi Induced visual illusions and gamma oscillations in human primary visual cortex
    Peyman Adjamian
    The Wellcome Trust Laboratory for MEG Studies, Neurosciences Research Institute, Aston University, Birmingham, UK
    Eur J Neurosci 20:587-92. 2004
    ..We show that gamma band activity in V1 is a narrow band function of spatial frequency. We hypothesize that the intrinsic properties of gamma oscillations may underlie visual discomfort and play a role in the onset of seizures...
  21. ncbi On the functional significance of Novelty-P3: facilitation by unexpected novel sounds
    Iria SanMiguel
    Institute for Brain, Cognition and Behavior IR3C, University of Barcelona, Barcelona, Spain
    Biol Psychol 83:143-52. 2010
    ..We suggest that the NP3 is a complex signal that comprises alerting, orienting and executive control processes triggered by the unexpected stimulus...
  22. ncbi Automatic gain control contrast mechanisms are modulated by attention in humans: evidence from visual evoked potentials
    F Di Russo
    IRCCS Fondazione S. Lucia, Rome, Italy
    Vision Res 41:2435-47. 2001
    This study investigated the effect of attention on the contrast response curves of steady-state visual evoked potentials (VEPs) to counter-phased sinusoidal gratings...
  23. ncbi Visual modulation of neurons in auditory cortex
    Christoph Kayser
    Max Planck Institute for Biological Cybernetics, Spemannstrasse 38, 72076 Tubingen, Germany
    Cereb Cortex 18:1560-74. 2008
    ..These neurons thus meet the criteria for sensory integration and provide the auditory modality with multisensory contextual information about co-occurring environmental events...
  24. ncbi Hemodynamic signals correlate tightly with synchronized gamma oscillations
    Jörn Niessing
    Max Planck Institute for Brain Research, 60528 Frankfurt M, Germany
    Science 309:948-51. 2005
    ..These oscillations increase with the synchrony of synaptic events, which suggests a close correlation between hemodynamic responses and neuronal synchronization...
  25. pmc Towards an independent brain-computer interface using steady state visual evoked potentials
    Brendan Z Allison
    GSU BrainLab, Computer Information Systems Department, Georgia State University, Atlanta, GA 30303, USA
    Clin Neurophysiol 119:399-408. 2008
    Brain-computer interface (BCI) systems using steady state visual evoked potentials (SSVEPs) have allowed healthy subjects to communicate...
  26. ncbi The time course of cortical facilitation during cued shifts of spatial attention
    M M Muller
    Department of Psychology, University of Konstanz, Germany
    Nat Neurosci 1:631-4. 1998
    ..Steady-state visual evoked potentials (SSVEPs) were recorded to rapidly flickering lights at attended and unattended locations, and variations ..
  27. ncbi Studies of human visual pathophysiology with visual evoked potentials
    Shozo Tobimatsu
    Department of Clinical Neurophysiology, Neurological Institute, Graduate School of Medical Sciences, Kyushu University, 3 1 1 Maidashi, Higashi ku, Fukuoka 812 8582, Japan
    Clin Neurophysiol 117:1414-33. 2006
    b>Visual evoked potentials (VEPs) offer reproducible and quantitative data on the function of the visual pathways and the visual cortex...
  28. ncbi Multiple channel detection of steady-state visual evoked potentials for brain-computer interfaces
    Ola Friman
    Institute of Automation, University of Bremen, Otto Hahn Allee 1, 28359 Bremen, Germany
    IEEE Trans Biomed Eng 54:742-50. 2007
    In this paper, novel methods for detecting steady-state visual evoked potentials using multiple electroencephalogram (EEG) signals are presented...
  29. ncbi Steady state visually evoked potential (SSVEP) topography in a graded working memory task
    R B Silberstein
    Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
    Int J Psychophysiol 42:219-32. 2001
    ..Such cortico-cortico and thalamo-cortical loops are also proposed to constitute a neurophysiological mechanism for holding information in working memory...
  30. ncbi Effects of repetitive transcranial magnetic stimulation on visual evoked potentials in migraine
    V Bohotin
    Department of Neurology, University of Liege, Liege, Belgium
    Brain 125:912-22. 2002
    ..We have studied the changes in visual cortex excitability by recording pattern-reversal visual evoked potentials (PR-VEP) after low- and high-frequency repetitive transcranial magnetic stimulation (rTMS), known ..
  31. pmc Re-entrant projections modulate visual cortex in affective perception: evidence from Granger causality analysis
    Andreas Keil
    NIMH Center for the Study of Emotion and Attention, University of Florida, Gainesville, FL, USA
    Hum Brain Mapp 30:532-40. 2009
    ..Granger causality analysis was conducted on steady-state visual evoked potentials elicited by emotionally arousing pictures flickering at a rate of 10 Hz...
  32. ncbi Parallel and serial neural mechanisms for visual search in macaque area V4
    Narcisse P Bichot
    Laboratory of Neuropsychology, National Institute of Mental Health NIMH, National Institutes of Health, Bethesda, MD 20892, USA
    Science 308:529-34. 2005
    ..Thus, serial and parallel mechanisms of response enhancement and neural synchrony work together to identify objects in a scene...
  33. ncbi Parvocellular and magnocellular contributions to the initial generators of the visual evoked potential: high-density electrical mapping of the "C1" component
    John J Foxe
    Program in Cognitive Neuroscience, Department of Psychology, The City College of the City University of New York, New York, NY 10031, USA
    Brain Topogr 21:11-21. 2008
    ..For example, it is plausible that spatial attention mechanisms could operate primarily through the M system and that as such C1 may not always represent an adequate dependent measure in such studies...
  34. ncbi Dynamic changes of cognitive habituation and serotonin metabolism during the migraine interval
    S Evers
    Department of Neurology, University of Munster, Germany
    Cephalalgia 19:485-91. 1999
    ..This phenomenon cannot be attributed to serotonergic transmission. In patients with regular changes of cognitive habituation before the migraine attack, it might be possible to predict the attack by analysing ERPs...
  35. ncbi Effects of spatial selective attention on the steady-state visual evoked potential in the 20-28 Hz range
    M M Muller
    Department of Psychology, University of Konstanz, D 78434 Konstanz, Germany
    Brain Res Cogn Brain Res 6:249-61. 1998
    Steady-state visual evoked potentials (SSVEPs) were recorded from the scalp of subjects who attended to a flickering LED display in one visual field while ignoring a similar display (flickering at a different frequency) in the opposite ..
  36. ncbi Time course of competition for visual processing resources between emotional pictures and foreground task
    Matthias M Müller
    Institut fur Psychologie I, Universitat Leipzig, Seeburgstr 14 20, D 04103 Leipzig, Germany
    Cereb Cortex 18:1892-9. 2008
    ..Steady-state visual evoked potentials (SSVEPs) were recorded to rapidly flickering squares superimposed upon neutral and emotionally high-..
  37. pmc Steady-state visual evoked potentials: distributed local sources and wave-like dynamics are sensitive to flicker frequency
    Ramesh Srinivasan
    Department of Cognitive Sciences, University of California, Irvine, 92617, USA
    Brain Topogr 18:167-87. 2006
    Steady-state visual evoked potentials (SSVEPs) are used in cognitive and clinical studies of brain function because of excellent signal-to-noise ratios and relative immunity to artifacts...
  38. ncbi Context influences early perceptual analysis of faces--an electrophysiological study
    Ruthger Righart
    Department of Psychology, Cognitive and Affective Neurosciences Laboratory, Tilburg University, 5000 LE Tilburg, The Netherlands
    Cereb Cortex 16:1249-57. 2006
    ..These findings suggest that the context in which a face appears may influence how it is encoded...
  39. ncbi Preparatory set associated with pro-saccades and anti-saccades in humans investigated with event-related FMRI
    Joseph F X DeSouza
    Department of Physiology, University of Western Ontario, London, Ontario N6A 5C1, Canada
    J Neurophysiol 89:1016-23. 2003
    ..This finding suggests that the increased cortical activation found in previous blocked designs originates predominately from differences in preparatory set and not from differences in the motor signal between pro- and anti-saccades...
  40. ncbi Electrophysiological correlates of visual adaptation to faces and body parts in humans
    Gyula Kovacs
    Department of Cognitive Science, Budapest University of Technology and Economics, Budapest, H 1111, Hungary
    Cereb Cortex 16:742-53. 2006
    ..Our findings suggest that shape-selective adaptation is a general mechanism of visual object processing and its neural effects are primarily reflected in the N170 component of the ERP responses...
  41. ncbi Steady-state visual evoked potentials and travelling waves
    G R Burkitt
    Brain Sciences Institute, Swinburne University of Technology, Hawthorn, Melbourne, Australia
    Clin Neurophysiol 111:246-58. 2000
    ..This study examines stimulus evoked changes in the SSVEP phase topography and the putative role of travelling waves...
  42. ncbi Low-frequency local field potentials and spikes in primary visual cortex convey independent visual information
    Andrei Belitski
    Max Planck Institute for Biological Cybernetics, D 72076 Tubingen, Germany
    J Neurosci 28:5696-709. 2008
    ....
  43. ncbi The effects of prenatal exposure to buprenorphine or methadone on infant visual evoked potentials
    Justine N Whitham
    Discipline of Paediatrics, School of Paediatrics and Reproductive Health, The University of Adelaide, Australia
    Neurotoxicol Teratol 32:280-8. 2010
    ..Infant neurological development was assessed by measuring latency of pattern reversal visual evoked potentials (VEP)...
  44. ncbi A primer on motion visual evoked potentials
    Sven P Heinrich
    Sektion Funktionelle Sehforschung, Universitats Augenklinik, Freiburg, Germany
    Doc Ophthalmol 114:83-105. 2007
    Motion visual evoked potentials (motion VEPs) have been used since the late 1960s to investigate the properties of human visual motion processing, and continue to be a popular tool with a possible future in clinical diagnosis...
  45. ncbi Alterations of visual evoked potentials in preschool Inuit children exposed to methylmercury and polychlorinated biphenyls from a marine diet
    Dave Saint-Amour
    Departement d Ophtalmologie, CHU Sainte Justine, 3175, Cote Sainte Catherine, Montreal, Que, Canada H3T 1C5
    Neurotoxicology 27:567-78. 2006
    ..Relationships between contaminants and pattern-reversal visual evoked potentials (VEPs) were assessed by multivariate regression analyses, taking into account several potential ..
  46. ncbi An online brain-computer interface using non-flashing visual evoked potentials
    Tao Liu
    Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, People s Republic of China
    J Neural Eng 7:036003. 2010
    Not until recently have motion-onset visual evoked potentials (mVEPs) been explored as a modality for brain-computer interface (BCI) applications...
  47. pmc Assessing visual pathway function in multiple sclerosis patients with multifocal visual evoked potentials
    Michal Laron
    University of Houston, College of Optometry, Houston, TX, USA
    Mult Scler 15:1431-41. 2009
    Multifocal visual evoked potentials provide a topographic measure of visual response amplitude and latency...
  48. ncbi Putting spatial attention on the map: timing and localization of stimulus selection processes in striate and extrastriate visual areas
    A Martinez
    Department of Radiology, University of California, San Diego, La Jolla, CA 92093 8756, USA
    Vision Res 41:1437-57. 2001
    ..This finding is in line with hypotheses that V1 activity may be modulated by delayed, reentrant feedback from higher visual areas...
  49. ncbi Electrical responses reveal the temporal dynamics of brain events during involuntary attention switching
    C Escera
    Neurodynamics Laboratory, Department of Psychiatry and Clinical Psychobiology, University of Barcelona, P Vall Hebron 171, E 08035 Barcelona, Catalonia, Spain
    Eur J Neurosci 14:877-83. 2001
    ....
  50. ncbi Auditory-visual integration during multimodal object recognition in humans: a behavioral and electrophysiological study
    M H Giard
    INSERM U280, 151, cours Albert Thomas, F 69424 Lyon Cedex 03, France
    J Cogn Neurosci 11:473-90. 1999
    ....
  51. pmc Spatial attention modulates initial afferent activity in human primary visual cortex
    Simon P Kelly
    The Cognitive Neurophysiology Laboratory, Nathan S Kline Institute for Psychiatric Research, Program in Cognitive Neuroscience and Schizophrenia, 140 Old Orangeburg Road, Orangeburg, NY 10962, USA
    Cereb Cortex 18:2629-36. 2008
    ..This finding demonstrates that at the very moment that visual information first arrives in cortex, it is already being shaped by the brain's attentional biases...
  52. ncbi Early and late components of visual categorization: an event-related potential study
    A Antal
    Department of Physiology, Albert Szent Gyorgyi Medical University, POB 1192, H 6720, Szeged, Hungary
    Brain Res Cogn Brain Res 9:117-9. 2000
    ..In the DT, spatial frequency gratings evoked only a short-duration difference N1 at the frontal sites. Our results suggest that N1 may be related to higher-level categorization processes...
  53. ncbi Functional source separation improves the quality of single trial visual evoked potentials recorded during concurrent EEG-fMRI
    Camillo Porcaro
    School of Psychology, University of Birmingham, Birmingham, UK
    Neuroimage 50:112-23. 2010
    ..A reversing checkerboard stimulus was used to generate visual evoked potentials (VEPs) in healthy control subjects...
  54. ncbi Steady-state visual evoked potentials reveal frontally-mediated working memory activity in humans
    William M Perlstein
    Department of Clinical and Health Psychology, University of Florida, Gainesville, FL 32610, USA
    Neurosci Lett 342:191-5. 2003
    Steady-state visual evoked potentials (SSVEPs) reflect power changes at the stimulus driving frequency and have been used to assess brain activity reflecting cognitive processing...
  55. ncbi Cellular mechanisms of long-lasting adaptation in visual cortical neurons in vitro
    M V Sanchez-Vives
    Section of Neurobiology, Yale University School of Medicine, New Haven, Connecticut 06510, USA
    J Neurosci 20:4286-99. 2000
    ....
  56. ncbi Adaptation dynamics in pattern-reversal visual evoked potentials
    S P Heinrich
    Elektrophysiologisches Labor, Univ.-Augenklinik Freiburg, Germany
    Doc Ophthalmol 102:141-56. 2001
    ..N1 and P1 amplitudes did not show significant differential effects. N2 amplitude was reduced by 73% in the standard condition whereas P1 peak time increased slightly but significantly (3.2 ms)...
  57. ncbi The influence of cognitive tasks on different frequencies steady-state visual evoked potentials
    Zhenghua Wu
    Center of Neuroinformatics, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 610054, China
    Brain Topogr 20:97-104. 2007
    ..These results suggest that the same cognitive task affects the different frequency SSVEP in a similar way, and the low frequency flicker is a better choice than the high frequency one in such as working memory study...
  58. ncbi Stages of processing in face perception: an MEG study
    Jia Liu
    Department of Brain and Cognitive Sciences, NE20 443, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
    Nat Neurosci 5:910-6. 2002
    ..These data suggest that face processing proceeds through two stages: an initial stage of face categorization, and a later stage at which the identity of the individual face is extracted...
  59. pmc Cholinergic pairing with visual activation results in long-term enhancement of visual evoked potentials
    Jun Il Kang
    Ecole d Optometrie, Universite de Montreal, Montreal, Quebec, Canada
    PLoS ONE 4:e5995. 2009
    ..In the present study we analyzed visual evoked potentials (VEPs) in V1 of rats during a 4-8 h period after coupling visual stimulation to an intracortical ..
  60. pmc The mouse model of Down syndrome Ts65Dn presents visual deficits as assessed by pattern visual evoked potentials
    Jonah Jacob Scott-McKean
    Department of Medicine, University of Colorado School of Medicine, Aurora, Colorado 80045, USA
    Invest Ophthalmol Vis Sci 51:3300-8. 2010
    ..Quantitative information was generated about visual function in the Ts65Dn mouse by investigating their visual capabilities by means of electroretinography (ERG) and patterned visual evoked potentials (pVEPs).
  61. pmc Decoding the visual and subjective contents of the human brain
    Yukiyasu Kamitani
    ATR Computational Neuroscience Laboratories, 2 2 2 Hikaridai, Keihanna Science City, Kyoto 619 0288, Japan
    Nat Neurosci 8:679-85. 2005
    ..Our approach provides a framework for the readout of fine-tuned representations in the human brain and their subjective contents...
  62. ncbi Retinal functional development is sensitive to environmental enrichment: a role for BDNF
    S Landi
    Laboratorio di Neurobiologia, Scuola Normale Superiore c o Istituto di Neuroscienze del CNR, Via G Moruzzi, 1, 56100 Pisa, Italy
    FASEB J 21:130-9. 2007
    ..Thus, EE controls the development of retinal circuitry, and this action depends on retinal BDNF expression...
  63. ncbi Neural processes associated with antisaccade task performance investigated with event-related FMRI
    Kristen A Ford
    Department of Psychology, University of Western Ontario, London, Canada
    J Neurophysiol 94:429-40. 2005
    ..Error antisaccades showed a larger activation in the ACC during the stimulus-response period compared with correct antisaccades...
  64. ncbi Exploring the temporal dynamics of the spatial working memory n-back task using steady state visual evoked potentials (SSVEP)
    Kathryn A Ellis
    Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
    Neuroimage 31:1741-51. 2006
    ..during the spatial n-back task using steady state probe topography (SSPT) to record cortical steady state visual evoked potentials (SSVEPs) at 64 scalp locations. Twenty healthy male volunteers participated in the study...
  65. ncbi Neurophysiological correlates of face gender processing in humans
    Y Mouchetant-Rostaing
    INSERM U280, 151, cours Albert Thomas, 69424 Lyon Cedex 03, France
    Eur J Neurosci 12:303-10. 2000
    ..This later effect might be related to attention-based gender categorization or to a more general categorization activity...
  66. pmc Sparse estimation automatically selects voxels relevant for the decoding of fMRI activity patterns
    Okito Yamashita
    ATR Computational Neuroscience Laboratories, Japan
    Neuroimage 42:1414-29. 2008
    ..We conclude that SLR provides a robust method for fMRI decoding and can also serve as a stand-alone tool for voxel selection...
  67. ncbi An ERP study of change detection, change blindness, and visual awareness
    Mika Koivisto
    Centre for Cognitive Neuroscience, University of Turku, Finland
    Psychophysiology 40:423-9. 2003
    ..We suggest that the earlier negativity is associated with a change in the content of visual awareness, whereas the later positivity may reflect more global processes needed in decision making and action planning...
  68. ncbi The effect of spatial attention on contrast response functions in human visual cortex
    Giedrius T Buracas
    The Salk Institute, La Jolla, California 92037, USA
    J Neurosci 27:93-7. 2007
    ..This inconsistency with previous single-unit electrophysiological data has implications for the population-based neuronal source of the BOLD signal...
  69. ncbi Face processing stages: impact of difficulty and the separation of effects
    Marianne Latinus
    Centre de Recherche Cerveau et Cognition, CNRS Université Paul Sabatier, UMR5549, Faculte de Medecine de Rangueil, 31062 Toulouse Cedex 9, France
    Brain Res 1123:179-87. 2006
    ....
  70. ncbi Normal and abnormal face selectivity of the M170 response in developmental prosopagnosics
    Alison M Harris
    Vision Science Laboratory, Department of Psychology, Harvard University, Cambridge, MA 02138, USA
    Neuropsychologia 43:2125-36. 2005
    ..While the presence of face selectivity at these neurophysiological markers is insufficient for predicting normal behavioral performance with faces, it could help to distinguish different classes of face recognition deficits...
  71. ncbi Contrast sensitivity in human visual areas and its relationship to object recognition
    Galia Avidan
    The Interdisciplinary Center for Neural Computation, Israel
    J Neurophysiol 87:3102-16. 2002
    ..These results further stress the hierarchical and gradual nature of the transition from early retinotopic areas to high order ones, in the build-up of abstract object representations...
  72. pmc Attentional modulation of SSVEP power depends on the network tagged by the flicker frequency
    Jian Ding
    Department of Cognitive Sciences, University of California, Irvine, Irvine, CA 92697 5100, USA
    Cereb Cortex 16:1016-29. 2006
    ..Thus, whether attention to a flicker stimulus increases or decreases SSVEP amplitude and phase locking depends on which of two cortical networks, which have distinct spatial and dynamic properties, is selected by the flicker frequency...
  73. ncbi Early face processing specificity: it's in the eyes!
    Roxane J Itier
    Rotman Research Institute, Baycrest Centre, Toronto, Canada
    J Cogn Neurosci 19:1815-26. 2007
    ..This dynamic response modulation accounts for the N170 variations reported in the literature. The eyes may be central to what makes faces so special...
  74. ncbi Stepwise emergence of the face-sensitive N170 event-related potential component
    Boutheina Jemel
    Service de Recherche, Hôpital Rivière des Prairies, and Centre de Recherche Fernand Seguin, 7070 Blv Perras, Montréal Qc HAE 1A4, Canada
    Neuroreport 14:2035-9. 2003
    ..In addition, the N170/VPP association supports the view that they reflect the same processes operating when viewing faces...
  75. ncbi Modulation of V1 activity by shape: image-statistics or shape-based perception?
    Serge O Dumoulin
    McGill Vision Research Unit, Department of Ophthalmology, McGill University, Montreal, Canada
    J Neurophysiol 95:3654-64. 2006
    ..We find that these V1 modulations to shape change are correlated with low-level changes in orientation contrast rather than shape perception per se...
  76. ncbi Effect of spatial attention on stimulus-specific haemodynamic repetition effects
    R N Henson
    MRC Cognition and Brain Sciences Unit, 15 Chaucer Road, Cambridge, England, UK
    Neuroimage 35:1317-29. 2007
    ..This suggests that attention is necessary for both the acquisition and expression of the neural mechanisms that underlie repetition suppression, at least over the lags of 2-16 intervening trials used here...
  77. ncbi Adaptation: from single cells to BOLD signals
    Bart Krekelberg
    Center for Molecular and Behavioral Neuroscience, Rutgers University, 197 University Avenue, Newark, NJ 07102, USA
    Trends Neurosci 29:250-6. 2006
    ..However, network responses in general and adaptation in particular are more complex than is often assumed, and an unequivocal interpretation of fMRIa results can be achieved only with great care...
  78. ncbi Rapid adaptation in visual cortex to the structure of images
    J R Muller
    Center for Visual Science and Department of Brain and Cognitive Sciences, University of Rochester, Rochester, NY 14627, USA
    Science 285:1405-8. 1999
    ..Thus, if successive fixations expose neurons' receptive fields to images with similar but not identical structure, adaptation will remove correlations and improve discriminability...
  79. ncbi Visual evoked potentials in infants of diabetic mothers: relations to clinical and metabolic status during pregnancy and delivery
    M Brinciotti
    Department of Child Neuropsychiatry and Rehabilitation Sciences, Faculty of Medicine I, Sapienza Rome University, Via dei Sabelli, 108, 00185 Rome, Italy
    Clin Neurophysiol 120:563-8. 2009
    To evaluate Visual Evoked Potentials (VEPs) and psychomotor development of infants of diabetic mothers (IDMs) in relation to clinical and metabolic data during pregnancy and delivery.
  80. ncbi Reduced functional connectivity in visual evoked potentials in children with autism spectrum disorder
    J R Isler
    Department of Pediatrics, Columbia University, New York, NY 10032, USA
    Clin Neurophysiol 121:2035-43. 2010
    ..An analysis of EEG synchrony between homologous early visual areas tested the hypothesis that interhemispheric functional connectivity during visual stimulation is reduced in children with autism compared to controls...
  81. ncbi Electrophysiological and haemodynamic correlates of face perception, recognition and priming
    R N Henson
    Institute of Cognitive Neuroscience, Institute of Neurology, University College London, 17 Queen Square, London WC1N 3AR, UK
    Cereb Cortex 13:793-805. 2003
    ..These data support a multi-component model of face-processing, with priming arising from more than one stage...
  82. pmc Event-related brain potentials in the study of visual selective attention
    S A Hillyard
    Department of Neurosciences, 0608, University of California at San Diego, La Jolla, CA 92093 0608, USA
    Proc Natl Acad Sci U S A 95:781-7. 1998
    ..The processing of nonspatial features seems to be contingent upon the prior selection of location, consistent with early selection theories of attention and with the hypothesis that spatial attention is "special."..
  83. pmc Impairments in generation of early-stage transient visual evoked potentials to magno- and parvocellular-selective stimuli in schizophrenia
    Isaac Schechter
    Nathan Kline Institute, Program in Cognitive Neuroscience and Schizophrenia, Orangeburg, NY 10962, USA
    Clin Neurophysiol 116:2204-15. 2005
    ..normal volunteers first to evaluate relative contributions of M and P systems to specific tVEP components in schizophrenia and, second, to evaluate integrity of early M and P processing in schizophrenia...
  84. ncbi Induction of long-lasting changes of visual cortex excitability by five daily sessions of repetitive transcranial magnetic stimulation (rTMS) in healthy volunteers and migraine patients
    A Fumal
    Department of Neurology, University of Liege, Belgium
    Cephalalgia 26:143-9. 2006
    ..1 Hz repetitive transcranial magnetic stimulation (rTMS) over the visual cortex induces dishabituation of visual evoked potentials (VEPs) on average for 30 min, while in migraineurs one session of 10 Hz rTMS replaces the abnormal VEP ..
  85. ncbi Effects of emotional arousal in the cerebral hemispheres: a study of oscillatory brain activity and event-related potentials
    A Keil
    Department of Psychology, University of Konstanz, D 78434, Konstanz, Germany
    Clin Neurophysiol 112:2057-68. 2001
    ..The present study aimed at examining the time course and topography of oscillatory brain activity and event-related potentials (ERPs) in response to laterally presented affective pictures...
  86. ncbi The artificial silicon retina microchip for the treatment of vision loss from retinitis pigmentosa
    Alan Y Chow
    Optobionics Corporation, Naperville, Illinois, USA
    Arch Ophthalmol 122:460-9. 2004
    ..To determine the safety and efficacy of the artificial silicon retina (ASR) microchip implanted in the subretinal space to treat vision loss from retinitis pigmentosa...
  87. ncbi Visual field defects and multifocal visual evoked potentials: evidence of a linear relationship
    Donald C Hood
    Department of Psychology, 405 Schermerhorn, Columbia University, New York, NY 10027, USA
    Arch Ophthalmol 120:1672-81. 2002
    To determine the relationship between spatially localized multifocal visual evoked potentials (mfVEPs) and Humphrey visual fields (HVFs) in patients with unilateral field defects.
  88. ncbi Timing of the brain events underlying access to consciousness during the attentional blink
    Claire Sergent
    Institut National de la Santé et de la Recherche Médicale Unité 562, Cognitive Neuroimaging, Service Hospitalier Frederic Joliot, Commissariat a l Energie Atomique, 4, place du General Leclerc, 91401 Orsay Cedex, France
    Nat Neurosci 8:1391-400. 2005
    ..Thus, we suggest that the transition toward access to consciousness relates to the optional triggering of a late wave of activation that spreads through a distributed network of cortical association areas...
  89. ncbi Fish oil supplementation improves visual evoked potentials in children with phenylketonuria
    S Beblo
    Division of Metabolic Diseases and Nutrition, Dr. von Haunersches Kinderspital, Munich, Germany
    Neurology 57:1488-91. 2001
    b>Visual evoked potentials (VEP) were measured in 36 patients with early-treated phenylketonuria (PKU; aged 1 to 11 years) and good metabolic control before and after supplementation with omega-3 long-chain polyunsaturated fatty acids (LC-..
  90. ncbi Electrophysiological analysis of cortical mechanisms of selective attention to high and low spatial frequencies
    A Martinez
    Department of Radiology, University of California, San Diego, La Jolla, CA 92093 8756, USA
    Clin Neurophysiol 112:1980-98. 2001
    ..This study investigated whether short-latency (<100ms) event-related potential (ERP) components were modulated during attention to spatial frequency (SF) cues...
  91. ncbi Local field potential in cortical area MT: stimulus tuning and behavioral correlations
    Jing Liu
    Howard Hughes Medical Institute and Department of Neurobiology, Stanford University School of Medicine, Stanford, California 94305 5125, USA
    J Neurosci 26:7779-90. 2006
    ..It remains to be determined how LFP choice probability, which is a temporal signature, is related to conventional choice probability effects observed in spike rates...
  92. pmc Optical coherence tomography is less sensitive than visual evoked potentials in optic neuritis
    R T Naismith
    Department of Neurology, Washington University, St Louis, MO 63110, USA
    Neurology 73:46-52. 2009
    ....
  93. ncbi Short- and long-term effects of cholinergic modulation on gamma oscillations and response synchronization in the visual cortex
    Rosa Rodriguez
    Department of Neurophysiology, Max Planck Institute for Brain Research, D 60528 Frankfurt Main, Germany
    J Neurosci 24:10369-78. 2004
    ....
  94. ncbi Comparison between the lambda response of eye-fixation-related potentials and the P100 component of pattern-reversal visual evoked potentials
    Koji Kazai
    Department of Psychology, Kwansei Gakuin University, Nishinomiya, Hyogo, Japan
    Cogn Affect Behav Neurosci 3:46-56. 2003
    ..However, the peak latency of the lambda response was shorter than that of P100. The saccades in the EFRP trial were considered to be the cause of the difference...
  95. ncbi Cross-modal interactions between audition, touch, and vision in endogenous spatial attention: ERP evidence on preparatory states and sensory modulations
    Martin Eimer
    Department of Psychology, Bickbeck College, University of London, London, UK
    J Cogn Neurosci 14:254-71. 2002
    ..When audition was relevant, visual ERPs, but not tactile ERPs, were affected by spatial attention, indicating that touch can be decoupled from cross-modal attention when task-irrelevant...
  96. pmc The effect of eccentricity on the contrast response function of multifocal visual evoked potentials (mfVEPs)
    Michal Laron
    College of Optometry, University of Houston, 505 J Davis Armistead Bldg, Houston, TX 77204 2020, USA
    Vision Res 49:1711-6. 2009
    ..Mean latency increased 6 (+/-0.7 SE) ms from the highest to the lowest contrast tested, and did not vary significantly with eccentricity...
  97. ncbi The effect of Helicobacter pylori eradication on gastric juice and blood ammonia concentrations and on visual evoked potentials in cirrhotics
    L Demirturk
    Department of Gastroenterology, G A T A Haydarapaşa Training Hospital, Istanbul, Turkey
    Helicobacter 6:325-30. 2001
    ..The aim of this study was to investigate the effect of H. pylori eradication on blood and gastric juice ammonia levels and on visual evoked potential (VEP) recordings in cirrhotic patients...
  98. ncbi Visual evoked potentials in differential diagnosis of multiple sclerosis and neurobehcet's disease
    Hande Turker
    Department of Neurology, Ondokuz Mayis University, Faculty of Medicine, Samsun, Turkey
    Tohoku J Exp Med 216:109-16. 2008
    ..05). Therefore, P100 amplitude measured from peak to peak seems to be more reliable and thus should be used in the differential diagnosis of MS and NB...
  99. ncbi Misrouting of the optic nerves in albinism: estimation of the extent with visual evoked potentials
    Michael B Hoffmann
    Visual Processing Laboratory, Universitats Augenklinik, Magdeburg, Germany
    Invest Ophthalmol Vis Sci 46:3892-8. 2005
    ..In human albinism a part of the temporal retina projects abnormally to the contralateral hemisphere. An objective VEP procedure to quantify the extent of the abnormality was devised...
  100. ncbi Contrast response of temporally sparse dichoptic multifocal visual evoked potentials
    Ted Maddess
    Centre for Visual Sciences, Research School of Biological Sciences, Australian National University, Canberra, Australia
    Vis Neurosci 22:153-62. 2005
    Temporally sparse stimuli have been found to produce larger multifocal visual evoked potentials than rapid contrast-reversal stimuli...
  101. ncbi Determining abnormal latencies of multifocal visual evoked potentials: a monocular analysis
    Donald C Hood
    Department of Psychology, Columbia University, New York, NY 10027 7004, USA
    Doc Ophthalmol 109:189-99. 2004
    To describe a methodology for measuring abnormal timing of monocular multifocal visual evoked potentials (mfVEP).

Research Grants62

  1. Role of homocysteine in retinal disease
    Sylvia B Smith; Fiscal Year: 2013
    ..alterations, progressive ganglion cell loss, dysregulation of axonal mitochondrial dynamics and delayed visual evoked potentials in cbs+/- mice...
  2. Dynamic Neuroimaging with High-resolution SSVEPs
    Ramesh Srinivasan; Fiscal Year: 2012
    ..for future use by cognitive and medical scientists who carry out physiological studies using steady-state visual evoked potentials (SSVEPs)...
  3. Studying models and mechanisms of optic nerve diseases.
    Donald C Hood; Fiscal Year: 2013
    ..These hypotheses are tested using SAP, multifocal visual evoked potentials, and a relatively new noninvasive technique for in vivo measurement of the anatomy of the human retina ..
  4. EARLY CORTICAL PROCESSING IN SCHIZOPHRENIA
    Daniel C Javitt; Fiscal Year: 2013
    ..preferentially engage the magnocellular visual system, as well as impaired generation of steady state visual evoked potentials (ssVEP), visual P1, and impaired fMRI activation of magnocellular-recipient regions of primary visual ..
  5. Transdiagnostic psychiatric symptoms related to visual processing abnormalities
    JEFFREY SCOTT BEDWELL; Fiscal Year: 2013
    ..Early identification of these deficits could also set the stage for intervention or prevention programs to ameliorate the most impairing aspects of this disorder. ..
  6. CENTRAL NERVOUS SYSTEM EFFECTS OF PCE EXPOSURE IN HUMANS
    Diana Echeverria; Fiscal Year: 1992
    ..to hippocampus and brain-stem activity assessed separately by neurophysiologic electroencephalograms and visual evoked potentials. The cross-sectional CNS evaluation will be conducted on 84 never-exposed laundry workers, 42 low, 42 ..
  7. OPTIC NERVE DEMYELINATION STUDY USING MRI
    Scott Fraser; Fiscal Year: 2001
    ..b>Visual evoked potentials (VEPs) are widely used to asses patients suspected have having MS because of their high sensitivity for ..
  8. NEUROPHYSIOLOGY DATABASE OF INBRED MUTANT STRAINS
    Jeffrey Noebels; Fiscal Year: 2001
    ..evaluation of inbred strains and mutants, including surface cortical EEG, depth-recorded hippocampal EEG, visual evoked potentials, and brainstem auditory evoked potentials, in awake and behaving mice...
  9. VISUAL TESTING OF INFANTS REARED IN NEONATAL ICUS
    Joelle Mast; Fiscal Year: 1992
    ..This will be supplemented by supervised hands-on experience in the application of visual evoked potentials. (VEPs), forced-choice preferential looking (FPL), and electroretinography (ERG) to the human infant...
  10. LOCALIZATION OF PATTERN VISUAL EVOKED POTENTIALS
    WILLIAM BIERSDORF; Fiscal Year: 1993
    ..One is to determine more precisely the brain origins of different types of visual evoked potentials (VEP) in order to further the theoretical understanding of visual brain organization...
  11. TRANSFER OF NEURAL ENERGY BETWEEN HUMAN SUBJECTS
    Leanna Standish; Fiscal Year: 2001
    ..1994) suggesting that visual evoked potentials generated in one human brain (Subject A) by photostimulation can generate a correlated EEG signal in the ..
  12. Mapping visual evoked potentials under anesthesia
    Olga Imas; Fiscal Year: 2007
    ..unreadable] [unreadable] [unreadable]..
  13. DIETARY ESSENTIAL FATTY ACID ACCUMULATION IN RETINA
    JAMES BRENNA; Fiscal Year: 2002
    ..amplification factor associated with initial photoreceptor transduction, iv) flash and pattern-reversal visual evoked potentials, v) development of circadian rhythm-dependent sleep/wake states, v) eye focusing properties...
  14. Parkinsons disease:visual dysfunction and hallucinations
    Suzanne Holroyd; Fiscal Year: 2005
    ..They will be examined on neuropsychological tests assessing visual cognitive function, and will undergo visual evoked potentials. A subset of these patients (20 matched pairs) will also undergo functional magnetic resonance imaging (..
  15. VISUAL DEFICITS IN ALZHEIMER'S DISEASE
    John Siegfried; Fiscal Year: 1993
    ..It is proposed to investigate the visual system by means of objective, noninvasive testing utilizing Visual Evoked Potentials (VEP) in patients with AD, together with age- matched controls, using recently developed computer ..
  16. Selective Silencing of Mammalian Neurons: Proof of Mice
    Henry Lester; Fiscal Year: 2004
    ..The assays are visual behavior and visual evoked potentials. The third, for the cerebellum, will employ the L7 promoter. The assay is ataxia...
  17. Cross-modal Plasticity in Prelingually Deaf Children
    Kristi Buckley; Fiscal Year: 2006
    ..visual/auditory cross-modal plasticity in prelingually deaf children age 2-10, through the examination of visual evoked potentials in response to motion stimuli and auditory evoked potentials in response to speech sounds...
  18. PATHOGENESIS AND TREATMENT OF MULTIPLE SCLEROSIS
    MURRAY BORNSTEIN; Fiscal Year: 1990
    ..ProjectIV- will examine epidural visual evoked potentials, direct intracranial recordings of unit activity within tracts and cortex will be combined with monocular ..
  19. Visual stimulator for congnitive evoked-response QSD
    DON JEWETT; Fiscal Year: 2004
    ..This project will build a visual stimulator for recording superposed VEPs (Visual Evoked Potentials). The project will then test whether the VEP responds at stimulus repetition-rates, which overlap the VEP...
  20. RAPID PHENOTYPING OF PLASTICITY IN VISUAL CORTEX
    MICHAEL STRYKER; Fiscal Year: 2001
    ..Swept visual evoked potentials recorded over the visual cortex will be used to define the visibility of grating stimuli of a range of ..
  21. TRAINING IN VISION RESEARCH
    Anthony Norcia; Fiscal Year: 2006
    ..The INRSA component will fund exclusively fellows with U.S. residency certification while the other institutional components will fund both the remaining U.S. and non-U.S. fellows on an equal basis. ..
  22. DEVELOPMENT OF FORM, RIVALRY AND BINOCULARITY
    Anthony Norcia; Fiscal Year: 2003
    ....
  23. Form and Motion Integration
    Anthony Norcia; Fiscal Year: 2008
    ..abstract_text> ..
  24. NORMAL AND ABNORMAL DEVELOPMENT OF SPATIAL VISION
    Anthony Norcia; Fiscal Year: 2008
    ..This study will also determine whether nasalward/temporal biases previously reported for large field uniform stimuli propagate to the figure/ground segmentation process. ..
  25. Visual Processing in Schizophrenia
    Pamela Butler; Fiscal Year: 2008
    ..A unique feature of this application is the use of visual evoked potentials (VEP) to evaluate integrity of visual pathways...
  26. Neurophysiology of Multisensory Integration
    John Foxe; Fiscal Year: 2007
    ..Through these studies, we will begin to explore the neural mechanisms underlying the process of "binding," related inputs across the separate sensory modalities. ..
  27. Development and Maintenance of Binocular Vision (EY005236)
    EILEEN ELIZABETH BIRCH; Fiscal Year: 2010
    ....
  28. OMEGA-3 FATTY ACIDS IN NORMAL VISUAL DEVELOPMENT
    Eileen Birch; Fiscal Year: 2003
    ..By relating long-term outcomes to visual cortical function during infancy, we will directly evaluate the predictive of early visual tests for long-term cognitive outcomes. ..
  29. Cognitive Control in Aging
    John Foxe; Fiscal Year: 2004
    ..High-density ERP recordings and topographic mapping will permit us to assess the relative contributions of frontal, parietal and earlier sensory areas to these processes. ..
  30. Neural Mechanisms of Selectively Biasing Attentional Set
    John Foxe; Fiscal Year: 2003
    ....
  31. EARLY TMT RETINOPATHY OF PREMATURITY HEADQUARTER GRANT
    WILLIAM GOOD; Fiscal Year: 2008
    ..Outcome will be determined at a 6 month post-term ophthalmologic examination and at a 9 month post-term visual assessment examination. ..
  32. An EEG Study of Neural Dynamics in Schizophrenia
    Kevin Spencer; Fiscal Year: 2006
    ..This project seeks to further this goal by studying how brainwave synchronization is related to perception and thinking in people who are healthy, and in people who have schizophrenia. [unreadable] [unreadable] [unreadable]..
  33. The Effects of Prematurity on Visual Development
    WILLIAM GOOD; Fiscal Year: 2008
    ..A comparison of head ultrasound and DTI findings will demonstrate whether DTI should replace ultrasound for the diagnosis of neurological injury in the newborn nursery. [unreadable] [unreadable]..
  34. PEDIATRIC LOW VISION
    WILLIAM GOOD; Fiscal Year: 2002
    ..Do strabismus and anisometropia affect different visual functions differentially? Is the combination of risk-factors more amblyogenic? ..
  35. Phencyclidine Abuse & Psychosis: Biomedical Mechanisms
    Daniel C Javitt; Fiscal Year: 2010
    ....
  36. NEURAL PROCESSES OF PATTERN VISION IN HUMAN INFANTS
    ANN SKOCZENSKI; Fiscal Year: 2003
    ..The proposed experiments on vernier acuity development will provide substantial normative data for designing new vision tests for infants at risk for amblyopia or cortical visual impairment. ..
  37. Factors affecting the development of individual differences in long-term memory
    Leslie Carver; Fiscal Year: 2008
    ..Using measures of behavior and brain activity, we will investigate what effect these different experiences have on the development of long-term memory later in the first year of life. [unreadable] [unreadable] [unreadable] [unreadable]..
  38. The Effect of Cannabis Use on Human Cerebellar Function
    PATRICK SKOSNIK; Fiscal Year: 2008
    ..Project Narrative [unreadable] [unreadable] [unreadable]..
  39. Development of Spatial-Temporal Analysis Tools for Uterine Biomagnetic Signals
    Hari Eswaran; Fiscal Year: 2009
    ..Information gained can result in methods focusing on specific applications to prevent or control preterm labor thereby reducing the incidence of preterm birth. ..
  40. TREATMENT OF NEGATIVE SYMPTOMS AND COGNITIVE IMPAIRMENTS
    Daniel Javitt; Fiscal Year: 2003
    ..The study will provide new information on the efficacy of d-cycloserine and glycine for both persistent primary and secondary negative symptoms and its effect on cognitive functioning. ..
  41. Alcohol and Tobacco CNS Effects in Binge Drinkers
    JOHN M POLICH; Fiscal Year: 2010
    ....
  42. Functional Neuroimaging of Executive Processing
    Scott Huettel; Fiscal Year: 2002
    ..This research program will inform studies of executive processing, while providing proof-of-concept data for future applications for research support. ..
  43. Selective Attention and Control Mechanisms in the Brain
    Joseph B Hopfinger; Fiscal Year: 2010
    ..This knowledge can be used to provide a new understanding of the aspects of attention that are dysfunctional in impaired individuals, and this can help in the development of new therapies directed at those systems. ..
  44. Functional brain imaging based on fast optical signals
    Gabriele Gratton; Fiscal Year: 2008
    ..d) To significantly improve the signal-to-noise ratio (S/N) of optical signals through radical modifications of the current instrumental designs and improvements in recording and filtering methods. (RFA GOAL#6). ..
  45. Spatial Attention in Visuomotor Processing
    TODD HANDY; Fiscal Year: 2005
    ....
  46. Concurrent EEG and fMRI Studies in Human Brain Activity
    Giorgio Bonmassar; Fiscal Year: 2005
    ..We propose a series of simultaneous fMRI/EEG experiments that will investigate the spatial location and temporal processing of event-related potentials in the human brain. ..
  47. NEUROPHYSIOLOGICAL NMDA DYSFUNCTION IN SCHIZOPHRENIA
    Daniel Javitt; Fiscal Year: 2006
    ..The research will build upon studies currently supported by NIH research and career development awards to the candidate, and will permit the candidate to continue to devote >75 percent effort to research. ..
  48. MECHANISMS OF COGNITIVE DYSFUNCTION IN SCHIZOPHRENIA
    Daniel Javitt; Fiscal Year: 2005
    ..This study will evaluate neurophysiological and neurochemical hypotheses concerning potential etiology of early sensory processing dysfunction in schizophrenia. ..
  49. Application of voltage-sensitive dye imaging in VI
    Matteo Carandini; Fiscal Year: 2006
    ..If successful, they could in principle be applied to any pair of brain regions, as long as one of them is on the surface of the brain. [unreadable] [unreadable]..
  50. Sensory Processing Deficits in Cannabis Use
    PATRICK SKOSNIK; Fiscal Year: 2006
    ..Taken together, this data may serve to elucidate whether the known cognitive dysfunction observed in cannabis use is in part related to disturbances in early sensory information processing and/or neural synchronization. ..
  51. Simultaneous fMRI and Electrophysiology in Visual System
    Giorgio Bonmassar; Fiscal Year: 2007
    ..pilot studies to develop a state-of-the-art 24-bit system for conducting electrophysiological recordings (visual evoked potentials - VEP, Local Field Potentials - LFP, Multi-Unit activity MU, Single-Unit activity SU) during functional ..
  52. MEG STUDIES OF P50 SUPPRESSION IN SCHIZOPHRENIA
    BRETT CLEMENTZ; Fiscal Year: 2007
    ..In addition, dysfunction of left auditory cortex impedes proper inter-hemispheric communication, which interferes with the ability to generate normal recognition-type responses measured during oddball-type paradigms. ..
  53. Neuroelectric Assessment of MDMA (Ecstasy) Use in Adults
    John Polich; Fiscal Year: 2003
    ..These results will provide fundamental data on how MDMA use may alter CNS function. ..
  54. Optical imaging of epilepsy in rat and human neocortex
    THEODORE SCHWARTZ; Fiscal Year: 2007
    ..These experiments will set the groundwork for implementing optical recordings in general clinical practice as a novel technique for mapping and predicting human seizures. ..
  55. Neural basis of social cognition in early childhood
    Leslie Carver; Fiscal Year: 2003
    ..Finally, we will relate the neural correlates of different domains within social development to one another to describe similarities and differences in brain systems that underlie specific behavior. ..
  56. Neuroimaging of Executive Processing
    Scott Huettel; Fiscal Year: 2008
    ..g., frontal lobe damage, schizophrenia, Parkinson's disease). [unreadable] [unreadable]..
  57. MATURATION OF COGNITIVE-RELATED BRAIN POTENTIALS
    David Friedman; Fiscal Year: 2008
    ..The data will be relevant to developmental improvements in cognitive control mechanisms, prefrontal functioning, and episodic memory, and their physiological underpinnings. ..
  58. Measurement of Absolute Cerebral Blood Volume using Magnetic Resonance Imaging
    Hanzhang Lu; Fiscal Year: 2008
    ..In this project, a new technique will be developed to measure CBV in human brain using MRI. [unreadable] [unreadable] [unreadable]..
  59. Neural Compensation and Economic Decision Making in Aging
    Scott Huettel; Fiscal Year: 2008
    ..unreadable] [unreadable] [unreadable] [unreadable] [unreadable]..