ArticleCurrent biology : CB2022
Efficient allocation of attentional sensitivity gain in visual cortex reduces foveal sensitivity in visual search.
Article in Current biology : CB, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Distinct system-level computations underlie perceptual variation across the visual field.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- A Resource-Rational Account of Human Eye Movements During Immersive Visual Search.Open mind : discoveries in cognitive science · 2026Article
- Optimal visual search with highly heuristic decision rules.Journal of vision · 2025Article
- Phase-dependent asymmetry of pattern masking in natural images explained by intrinsic position uncertainty.Journal of vision · 2023Article
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2 authors.
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Abstract
The human visual system has a high-resolution fovea and a low-resolution periphery. When actively searching for a target, humans perform a covert search during each fixation, and then shift fixation (the fovea) to probable target locations. Previous studies of covert search under carefully controlled conditions provide strong evidence that for simple and small search displays, humans process all potential target locations with the same efficiency that they process those locations when individually cued on each trial. Here, we extend these studies to the case of large displays, in which the target can appear anywhere within the display. These more natural conditions reveal an attentional effect in which sensitivity in the fovea and parafovea is greatly diminished. We show that this "foveal neglect" is the expected consequence of efficiently allocating a fixed total attentional sensitivity gain across the retinotopic map in the visual cortex. We present a formal theory that explains our findings and the previous findings.
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