obsolete middle temporal area true middle temporal area The term 'middle temporal visual area' was first used by Allman and Kaas (1971) for a region of the owl monkey brain located on the 'caudal third of the middle temporal gyrus.' Functionally, it contains 'a complete representation of the contralateral half of the visual field... This representation of the visual field (MT) corresponds to a histologically distinct area adjacent and rostral to area 19... The horizontal meridian divides MT into a lateral portion representing the upper visual quadrant and a medial portion representing the lower quadrant. The center of gaze is represented in the caudal portion of MT bordering area 19.'. UBERON:0004685 Brodmann (1909) area 21