Abstract
In the visual cortex of the monkey the horizontal organization of the preferred orientations of orientation-selective cells follows two opposing rules:(1) neighbors tend to have similar orientation preferences, and(2) many different orientations are observed in a local region. We have described a classification for orientation maps based on the types of topological singularities and the spacing of these singularities relative to the cytochrome oxidase blobs. Using the orientation drift rate as a measure we have compared simulated orientation maps to published records of horizontal electrode recordings.
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Baxter, W.T., Dow, B.M. Horizontal organization of orientation-sensitive cells in primate visual cortex. Biol. Cybern. 61, 171–182 (1989). https://doi.org/10.1007/BF00198764
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DOI: https://doi.org/10.1007/BF00198764