Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens.

Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens. Research Abstract Details 

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Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens. Abstract Text:

Y Frégnac,Y Trotter,E Bienenstock,P Buisseret,E Gary-Bobo,M Imbert,

The developmental properties of 573 neurones have been investigated in the primary visual cortex of eight binocularly intact and twelve unilaterally enucleated kittens. It is shown that removal of one eye at birth alters the development of orientation selectivity observed in the presence or absence of visual experience. In 6-week-old deprived kittens, there remain significantly more orientation selective cells in enucleated than in binocularly deprived kittens. These deprivation-resistant cells respond preferentially to horizontal or vertical orientations and are recorded mainly in the cortex contralateral to the remaining eye. In six-week-old kittens with visual experience, the process of tuning maturation appears to be unaffected by unilateral enucleation at birth. However, a larger over-representation of horizontal and vertical orientation preferences is observed in uniocular kittens than in binocularly intact kittens, suggesting that the development of oblique orientation preference depends upon the presence of binocular afferents in the visual pathway.

Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens. Publishing Authors By Initials

Y Frégnac,Y Trotter,E Bienenstock,P Buisseret,E Gary-Bobo,M Imbert,

For similar nervous system: central nervous system: brain: prosencephalon: telencephalon: cerebrum: cerebral cortex: occipital lobe: visual cortex research abstracts see: nervous system: central nervous system: brain: prosencephalon: telencephalon: cerebrum: cerebral cortex: occipital lobe: visual cortex research

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Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 42

Page Numbers: 453-66

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ISSN: 0014-4819

DAY: 15

MONTH: 02

YEAR: 1981

Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens. Information

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LANGUAGE: eng

NlmUniqueID: 43312

Effect of neonatal unilateral enucleation on the development of orientation selectivity in the primary visual cortex of normally and dark-reared kittens. Keywords Mesh Terms:

KEYWORDS: Visual Cortex

MESH TERMS: physiology

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Country: GERMANY, WEST

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MEDLINETA: Exp Brain Res

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