Cited by 427Visual perception and processing mechanismsMultisensory perception and integrationFace Recognition and Perception

The Effect of Perceptual Learning on Neuronal Responses in Monkey Visual Area V4

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Yang, Tianming, Maunsell, John H. R.·2004·The Journal of Neuroscience

Abstract

Previous studies have shown that perceptual learning can substantially alter the response properties of neurons in the primary somatosensory and auditory cortices. Although psychophysical studies suggest that perceptual learning induces similar changes in primary visual cortex (V1), studies that have measured the response properties of individual neurons have failed to find effects of the size described for the other sensory systems. We have examined the effect of learning on neuronal response properties in a visual area that lies at a later stage of cortical processing, area V4. Adult macaque monkeys were trained extensively on orientation discrimination at a specific retinal location using a narrow range of orientations. During the course of training, the subjects achieved substantial improvement in orientation discrimination that was primarily restricted to the trained location. After training, neurons in V4 with receptive fields overlapping the trained location had stronger responses and narrower orientation tuning curves than neurons with receptive fields in the opposite, untrained hemifield. The changes were most prominent for neurons that preferred orientations close to the trained range of orientations. These results provide the first demonstration of perceptual learning modifying basic neuronal response properties at an intermediate level of visual cortex and give insights into the distribution of plasticity across adult visual cortex.

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Authors
Yang, T., & Maunsell, J. H. R.
Affiliations
Howard Hughes Medical Institute (US)
Corresponding author
Yang, Tianming
Venue
The Journal of Neuroscience
Published
2004-02-18
Volume
24
Issue
7
Pages
1617-1626
ISSN
  • 0270-6474 (ISSN-L)
  • 1529-2401
OpenAlex
W2164365056
Cited by
427
References
50
Citations by year
2026: 11 · 2025: 18 · 2024: 16 · 2023: 14 · 2022: 18 · 2021: 16 · 2020: 15 · 2019: 15 · 2018: 24 · 2017: 26 · 2016: 19 · 2015: 11 · 2014: 22 · 2013: 16 · 2012: 29
FWCI
10.58
Type
journal article
Language
en
Open access
Locations
  • Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health
  • National Eye Institute (R01 EY-05911, R01EY005911)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
Keywords
perceptual learning, area V4, orientation discrimination, orientation tuning curves, receptive fields, macaque, hemifield asymmetry, neuronal response properties
MeSH terms
Animals, Behavior, Animal, Discrimination, Psychological, Electrophysiology, Fixation, Ocular, Macaca mulatta, Neuronal Plasticity, Neurons, Orientation, Psychomotor Performance, Task Performance and Analysis, Visual Cortex

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