ArticleBiological cybernetics2014
Statistics and geometry of orientation selectivity in primary visual cortex.
Article in Biological cybernetics, 2014. 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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4 citing papers in PubMed, 14 citations in OpenAlex.
- Do the receptive fields in the primary visual cortex span a variability over the degree of elongation of the receptive fields?Journal of computational neuroscience · 2025Article
- Orientation selectivity properties for the affine Gaussian derivative and the affine Gabor models for visual receptive fields.Journal of computational neuroscience · 2025Article
- Orientation selectivity properties for integrated affine quasi quadrature models of complex cells.PloS one · 2025Article
- Spike Timing Neural Model of Motion Perception and Decision Making.Frontiers in computational neuroscience · 2019Article
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Authors and funding
2 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Orientation maps are a prominent feature of the primary visual cortex of higher mammals. In macaques and cats, for example, preferred orientations of neurons are organized in a specific pattern, where cells with similar selectivity are clustered in iso-orientation domains. However, the map is not always continuous, and there are pinwheel-like singularities around which all orientations are arranged in an orderly fashion. Although subject of intense investigation for half a century now, it is still not entirely clear how these maps emerge and what function they might serve. Here, we suggest a new model of orientation selectivity that combines the geometry and statistics of clustered thalamocortical afferents to explain the emergence of orientation maps. We show that the model can generate spatial patterns of orientation selectivity closely resembling the maps found in cats or monkeys. Without any additional assumptions, we further show that the pattern of ocular dominance columns is inherently connected to the spatial pattern of orientation.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.