ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2024
Category Learning Selectively Enhances Representations of Boundary-Adjacent Exemplars in Early Visual Cortex.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Article
- Double training promotes retinotopic transfer of category learning.NPJ science of learning · 2026Article
- Category learning drives cortical attentional gain to diagnostic dimensions.bioRxiv : the preprint server for biology · 2025Article
- Neural representations of visual categories are dynamically tailored to the discrimination required by the task.Cerebral cortex (New York, N.Y. : 1991) · 2025Article
- Leveraging Psychophysics to Infer the Mechanisms of Encoding Change in Vision.Computational brain & behavior · 2025Article
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Authors and funding
4 authors.
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Abstract
Category learning and visual perception are fundamentally interactive processes, such that successful categorization often depends on the ability to make fine visual discriminations between stimuli that vary on continuously valued dimensions. Research suggests that category learning can improve perceptual discrimination along the stimulus dimensions that predict category membership and that these perceptual enhancements are a byproduct of functional plasticity in the visual system. However, the precise mechanisms underlying learning-dependent sensory modulation in categorization are not well understood. We hypothesized that category learning leads to a representational sharpening of underlying sensory populations tuned to values at or near the category boundary. Furthermore, such sharpening should occur largely during active learning of new categories. These hypotheses were tested using fMRI and a theoretically constrained model of vision to quantify changes in the shape of orientation representations while human adult subjects learned to categorize physically identical stimuli based on either an orientation rule (
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Registered trials
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