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visual deprivation

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deprivation, visual
The condition produced by a loss of form vision. It may occur as a result of an anomaly within the eye (e.g. opacification of the cornea), or it can be artificially induced (e.g. by placing a transparent plastic occluder in front of the eye, as used in myopia research with animals).
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They were surprised to see that the plasticity of the cellular connections could be restored in visual areas of the brain after brief periods of visual deprivation.
How a single gene causes severe mental retardation by Asian News International
Various chapters explore the evidence for cortical remapping (the recruitment of the visual cortex of blind people for storing nonvisual input); the impact of visual deprivation on spatial orientation; the use of sound and tactile information to substitute for vision; and the possible differences in tactile discrimination, echolocation, and spatial orientation abilities among individuals who are blind, including those with early- and late-onset blindness.
Blindness and Brain Plasticity in Navigation and Object Perception by La Grow, Steven J. / Journal of Visual Impairment & Blindness
The New York group tested the effects of visual deprivation on those areas of the retina other than the center, which sees images most clearly.
Boring' reading and nearsightedness by Edwards, Diane D. / Science News
 
 
 
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