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    Neuro-Ophthalmology/Orbit

    Parallel visual processing pathways in the human brain. The occipitotemporal (ventral, or “what”) pathway begins in the striate cortex (V1) and projects to the angular gyrus for language processing, to the inferior temporal lobe for object identification, and to the limbic structures. The occipitoparietal (dorsal, or “where”) pathway begins in the striate cortex and projects to the posterior parietal cortex and the superior temporal cortex, and is responsible for visual–spatial analysis. MT = medial temporal visual area.