ArticleNeuropsychologia2022
Skeletal representations of shape in the human visual cortex.
Article in Neuropsychologia, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Article
- Visual homogeneity computations in the brain enable solving property-based visual tasks.eLife · 2025Article
- Beyond Letters: Optimal Transport as a Model for Sub-Letter Orthographic Processing.Neurobiology of language (Cambridge, Mass.) · 2025Article
- Homology judgements of pre-evolutionary naturalists explained by general human shape matching abilities.Scientific reports · 2023Article
- Automatic Classification of Colour Fundus Images for Prediction Eye Disease Types Based on Hybrid Features.Diagnostics (Basel, Switzerland) · 2023Article
- An fMRI study of visual geometric shapes processing.Frontiers in neuroscience · 2023Article
- Temporal asymmetries and interactions between dorsal and ventral visual pathways during object recognition.Cerebral cortex communications · 2023Article
- Does the brain's ventral visual pathway compute object shape?Trends in cognitive sciences · 2022Review
- Using compositionality to understand parts in whole objects.The European journal of neuroscience · 2022Review
- The Dorsal Visual Pathway Represents Object-Centered Spatial Relations for Object Recognition.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2022Article
- Perception of an object's global shape is best described by a model of skeletal structure in human infants.eLife · 2022Article
- Superordinate Categorization Based on the Perceptual Organization of Parts.Brain sciences · 2022Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
Shape perception is crucial for object recognition. However, it remains unknown exactly how shape information is represented and used by the visual system. Here, we tested the hypothesis that the visual system represents object shape via a skeletal structure. Using functional magnetic resonance imaging (fMRI) and representational similarity analysis (RSA), we found that a model of skeletal similarity explained significant unique variance in the response profiles of V3 and LO. Moreover, the skeletal model remained predictive in these regions even when controlling for other models of visual similarity that approximate low-to high-level visual features (i.e., Gabor-jet, GIST, HMAX, and AlexNet), and across different surface forms, a manipulation that altered object contours while preserving the underlying skeleton. Together, these findings shed light on shape processing in human vision, as well as the computational properties of V3 and LO. We discuss how these regions may support two putative roles of shape skeletons: namely, perceptual organization and object recognition.
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