Akinetopsia after Unilateral Surgical Labyrinthectomy

Defective dorsal stream information results in deficits of motion perception. Akinetopsia describes the condition wherein patients perceive moving objects as a succession of still images. In akinetopsia, ability to see running water from a shower as a continuous stream of water is interrupted. Instead the patient sees water drops frozen in the air in discreet freeze frame intervals. A rare subclassification of akinetopsia is the Zeitraffer phenomenon, in which the perception of the speed of motion is perceived as faster or slower than reality.