Corollary discharge theory is the theory that the motion perception occurs before eye movements, but that apparent motion is discounted when considering spontaneous decisions to make eye movements.

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Corollary discharge theory suggests that motion perception is influenced by signals that predict sensory consequences of movements, such as eye movements, allowing the brain to distinguish between self-generated and external motion. It does not state that motion perception occurs before eye movements, but rather that the brain uses predictive signals to interpret sensory information during or after movement.

Corollary Discharge Theory Is the Theory That the Motion Perception