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Which of the following is true about a mouse with one eye sutured close since bi

ID: 177112 • Letter: W

Question

Which of the following is true about a mouse with one eye sutured close since birth?

Thalamocortical projections from the open eye are larger than those of the closed eye.

Thalamocortical projections from the closed eye are larger than those of the open eye

Thalamocortical projections from the two eyes are the same size

The proportion of the visual cortex projected to by the eyes are the same as if the mouse had both eyes open from birth

A.

Thalamocortical projections from the open eye are larger than those of the closed eye.

B.

Thalamocortical projections from the closed eye are larger than those of the open eye

C.

Thalamocortical projections from the two eyes are the same size

D.

The proportion of the visual cortex projected to by the eyes are the same as if the mouse had both eyes open from birth

Explanation / Answer

Thalamocortical projections from the closed eye are larger than those of the open eye.

Because projections in the open eye would disappear where there is more activity by neurons.

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