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The Head-Neck Sensory Motor System$
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Alain Berthoz, Werner Graf, and P. P. Vidal

Print publication date: 1992

Print ISBN-13: 9780195068207

Published to Oxford Scholarship Online: March 2012

DOI: 10.1093/acprof:oso/9780195068207.001.0001

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Suppression of Cervical Afferents Impairs Visual Cortical Cells Development

Suppression of Cervical Afferents Impairs Visual Cortical Cells Development

Chapter:
(p.188) Chapter 27 Suppression of Cervical Afferents Impairs Visual Cortical Cells Development
Source:
The Head-Neck Sensory Motor System
Author(s):

Pierre Buisseret

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780195068207.003.0027

The visual experience of a kitten does not solely depend on what is actually seen. It also depends on how the kitten moves to look around. Recent studies show that the functional development of a cat's visual cortex requires some nonretinal signal linked to gaze movements. The exact nature and origin of these signals remain subject to investigation. The first developmental studies of the visual cortex showed that almost any type of visual input restriction between the third and twelfth postnatal week induced specific changes to the receptive field properties of visual cortical neurons, and that a return to normal rearing conditions before completion of this critical period could cancel the effects of the restriction.

Keywords:   kittens, nonretinal signal, gaze movements, visual cortex, cortical neurons

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