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Non-uniform contextual interactions in the visual cortex place fundamental limits on spatial vision.
Biorxiv : the Preprint Server for Biology
|August 30, 2023
Summary
Visual crowding arises from non-uniform information integration in the primary visual cortex (V1). Flanker geometry differentially impacts neural representations, explaining perceptual limitations in spatial vision.
Area of Science:
- Neuroscience
- Computational Neuroscience
- Visual Perception
Background:
- The primary visual cortex (V1) is assumed to integrate contextual information uniformly.
- Perceptual phenomena like visual crowding indicate non-uniform interactions between stimuli.
- Previous research suggests specific flanker geometries affect target perception differently.
Conclusions:
- Information integration in V1 is spatially non-uniform, impacting neural representations.
- This non-uniformity is a fundamental mechanism underlying limitations in spatial vision.
- Findings challenge the assumption of uniform contextual processing in early visual cortex.
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