ArticleCommunications biology2024
Bounded contribution of human early visual cortex to the topographic anisotropy in spatial extent perception.
Article in Communications biology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 5 citations in OpenAlex.
- Saccade direction modulates the temporal dynamics of presaccadic attention.Journal of vision · 2025Article
- Visual field asymmetries develop throughout adolescence.iScience · 2025Article
- Visual adaptation stronger at the horizontal than the vertical meridian: Linking performance with V1 cortical surface area.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
Abstract
To interact successfully with objects, it is crucial to accurately perceive their spatial extent, an enclosed region they occupy in space. Although the topographic representation of space in the early visual cortex (EVC) has been favored as a neural correlate of spatial extent perception, its exact nature and contribution to perception remain unclear. Here, we inspect the topographic representations of human individuals' EVC and perception in terms of how much their anisotropy is influenced by the orientation (co-axiality) and radial position (radiality) of stimuli. We report that while the anisotropy is influenced by both factors, its direction is primarily determined by radiality in EVC but by co-axiality in perception. Despite this mismatch, the individual differences in both radial and co-axial anisotropy are substantially shared between EVC and perception. Our findings suggest that spatial extent perception builds on EVC's spatial representation but requires an additional mechanism to transform its topographic bias.
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Registered trials
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