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A perceptual defect characterized by an inability to perceive motion, objects being visible while at rest but movement causing them to disappear, invariably associated with a lesion in Area V5 (also called MT) of the visual cortex, towards the back of the middle temporal gyrus. akinetopsic adj. [From Greek a- without + kinetikos of or relating to motion, from kineein to move + opsis sight, from ops an eye + -ia indicating a condition or quality]

Subjects: Psychology.

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