Which LGN layers receive input from the nasal retina?

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Study for the Neurophysiology Test with flashcards and multiple choice questions, each with hints and explanations. Enhance your understanding of cell types, signals, and sensory pathways. Ace your exam!

Multiple Choice

Which LGN layers receive input from the nasal retina?

Explanation:
Nasal retina fibers cross at the optic chiasm to the opposite hemisphere, so their signals land in the LGN layers that receive input from the contralateral eye. The LGN has six main monocular layers, with layers 1, 4, and 6 driven by the contralateral eye and layers 2, 3, and 5 by the ipsilateral eye. Therefore, input from the nasal retina terminates in the contralateral LGN layers 1, 4, and 6.

Nasal retina fibers cross at the optic chiasm to the opposite hemisphere, so their signals land in the LGN layers that receive input from the contralateral eye. The LGN has six main monocular layers, with layers 1, 4, and 6 driven by the contralateral eye and layers 2, 3, and 5 by the ipsilateral eye. Therefore, input from the nasal retina terminates in the contralateral LGN layers 1, 4, and 6.

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