Journal
NEURON
Volume 33, Issue 1, Pages 143-149Publisher
CELL PRESS
DOI: 10.1016/S0896-6273(01)00559-1
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Funding
- NEI NIH HHS [EY11759] Funding Source: Medline
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What we see depends on where we look. This paper characterizes the modulatory effects of point of regard in three-dimensional space on responsiveness of visual cortical neurons in areas V1, V2, and V4. Such modulatory effects are both common, affecting 85% of cells, and strong, frequently producing changes of mean firing rate by a factor of 10. The prevalence of neurons in area V4 showing a preference for near distances may be indicative of the involvement of this area in close scrutiny during object recognition. We propose that eye-position signals can be exploited by visual cortex as classical conditioning stimuli, enabling the perceptual learning of systematic relationships between point of regard and the structure of the visual environment.
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