Electrophysiological correlates of the effects of perceptual learning on signal and noise in the human visual system | Zendy

S Liebe | Zendy; Jason M. Gold | Zendy; Thomas A. Busey | Zendy; Brian F. O′Donnell | Zendy

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Electrophysiological correlates of the effects of perceptual learning on signal and noise in the human visual system

Author(s) -

S Liebe,

Jason M. Gold,

Thomas A. Busey,

Brian F. O′Donnell

Publication year - 2004

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/4.8.297

Subject(s) - noise (video) , electrophysiology , contrast (vision) , masking (illustration) , audiology , psychology , signal (programming language) , evoked potential , electroencephalography , perception , visual evoked potentials , communication , neuroscience , artificial intelligence , computer science , medicine , image (mathematics) , programming language , art , visual arts

PERCEPTUAL LEARNING ON SIGNAL AND NOISE IN THE HUMAN VISUAL SYSTEM Stefanie Liebe1,2, Jason M. Gold2, Thomas A. Busey2, Brian F. O’Donnell2 • 1Max Planck-Institute for Brain Research, Germany, 2Indiana University, Bloomington 1. Background. Performance in visual tasks often improves with practice1. Changes in contrast sensitivity with training could be due to an increase in internal signal strength, an decrease in internal noise or both. So far, linking the effects of perceptual learning to these factors has only been investigated in behavioral paradigms2,3. In this study, we investigated the effects of perceptual learning on behavioral and electrophysiological contrast thresholds and tried to relate these changes to the relative contributions of signal and internal noise.

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