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9: Lateral Geniculate Nucleus (LGN) / Primary Visual Cortex (V1)

Connects retinal and cortical receptive fields with visual population codes. The inspected opening compares centre–surround and orientation-selective responses, then uses the tilt aftereffect to motivate a population-response hypothesis.

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Why it is here

A concrete sensory-system continuation for the brain-systems guide: compare anatomical pathways, recorded responses and a model that explains an ambiguous single-neuron response.

Selection basis: institutional collection. Reason checked 2026-11-07 by agent.

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Editorial judgement from the inspected opening: assumes earlier retina/receptive-field material and interpretation of tuning-curve graphs; no claim of an official difficulty rating.
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