part of visual cortex extrastriate cortex 2010-05-17T10:27:38Z BTO:0004704 BrendaTissueOBO The term visual cortex refers to the primary visual cortex and extrastriate visual cortical areas such as V2, V3, V4, and V5. The extrastriate cortical areas consist of Brodmann area 18 and Brodmann area 19. There is a visual cortex for each hemisphere of the brain. The left hemisphere visual cortex receives signals from the right visual field and the right visual cortex from the left visual field. extrastriate cortical area mgr