Stereoscopic vision: what's the first step?
Neurons in primary visual cortex respond to binocular disparity, the raw material of stereoscopic depth perception. Although these neurons are probably essential to depth perception, a recent study has shown that they are unable to compute depth itself.
Backus
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Department of Psychology, University of Pennsylvania, 3815 Walnut Street, 19104-6196, Philadelphia, PA 19104-6196, USA. backus@psych.upenn.edu
D000818:Animals; D003867:Depth Perception; D023421:Models, Animal; D009474:Neurons / Q000502:physiology*; D014793:Visual Cortex / Q000166:cytology / Q000502:physiology*