Representation of Movement

Motion sensitivity is a fundamental aspect of vision allowing the tracking, avoidance and interception of objects, the extraction of depth information, and the calibration of proprioception and locomotion. Motion sensitivity is a primary feature of neurons throughout the dorsal stream of visual cortex, but neurons in the middle temporal area (MT) have been most closely linked to the perception of direction, speed and depth. This section introduces the fundamental requirements of motion detection and then focuses on how the primate visual system encodes the properties of visual motion, and how this encoding ultimately affects perception and behavior.