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  • Title: Topographic organization of orientation columns in the cat visual cortex. A deoxyglucose study.
    Author: Singer W.
    Journal: Exp Brain Res; 1981; 44(4):431-6. PubMed ID: 7308357.
    Abstract:
    Three-dimensional reconstructions of the orientation column system were obtained from the visual cortex of four cats using the deoxyglucose technique. One cat had normal visual experience, one was monocularly and two had selective experience with vertical and horizontal contours, respectively. In areas 17 and 18 orientation columns form a remarkably regular system of equally spaced parallel bands whose trajectory is orthogonal to the borderline between areas 17 and 18. This topographic organization is resistant to manipulations of early visual experience.
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