How the brain processes visual information - Development of the visual cortex

6 important questions on How the brain processes visual information - Development of the visual cortex

What is binocular (input)?

Stimulation from both eyes

When is cortial plasticity the greatest?

In early life, but it never ends

What is the effect of closing one eye early in life? What is the eefect of closing both eyes?

One eye: the cortex becomes unresponsice to it
Both eyes: cortical cells reamin somewhat responsive for several weeks, and then gradually become sluggisch and unselecitve in their respones
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When is stereoscopic depth perception achieved?

By comparing the inputs from the two eyes

What is retinal desparity?

The discrepancy between what the left and right eye see

What early experience is necessary to maintain binocular inpunt to the neurons of the visual cortex?

Cortical cells must receive simultaneous activity from both eyes fixating on the same object at the same time

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