ArticleeLife2023
Gain, not concomitant changes in spatial receptive field properties, improves task performance in a neural network attention model.
Article in eLife, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- Orientation Maps in Mouse Superior Colliculus Explained by Population Model of Non-Orientation Selective Neurons.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026Article
- Article
- Emergent neuronal mechanisms mediating covert attention in convolutional neural networks.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Spatial attention selectively alters visual cortical representation during target anticipation.Nature communications · 2025Article
- The precision of attention controls attraction of population receptive fields.Journal of vision · 2025Article
- Modulatory feedback determines attentional object segmentation in a model of the ventral stream.PloS one · 2025Article
- Article
- Attention Modulates Human Visual Responses to Objects by Tuning Sharpening.bioRxiv : the preprint server for biology · 2024Article
- Asymmetric stimulus representations bias visual perceptual learning.Journal of vision · 2024Article
- Article
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Authors and funding
3 authors.
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Abstract
Attention allows us to focus sensory processing on behaviorally relevant aspects of the visual world. One potential mechanism of attention is a change in the gain of sensory responses. However, changing gain at early stages could have multiple downstream consequences for visual processing. Which, if any, of these effects can account for the benefits of attention for detection and discrimination? Using a model of primate visual cortex we document how a Gaussian-shaped gain modulation results in changes to spatial tuning properties. Forcing the model to use only these changes failed to produce any benefit in task performance. Instead, we found that gain alone was both necessary and sufficient to explain category detection and discrimination during attention. Our results show how gain can give rise to changes in receptive fields which are not necessary for enhancing task performance.
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