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Visual System Anatomy

Overview

The visual system includes the eyes, connecting pathways through to the visual cortex, and other parts of the brain (see the image below). The neural signals initially processed by the retina travel via the axons of the ganglion cells through the optic nerves, dividing and partially crossing over into the optic chiasm and then travelling via the optic tracts to the lateral geniculate nucleus (LGN). From the LGN, the signals continue to the primary visual cortex, where further visual processing takes place.

Visual system includes eyes, connecting pathways t

Visual system includes eyes, connecting pathways through to visual cortex, and other parts of brain. Illustration shows mammalian system.

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