Sensation and perception psychology

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Sensation and perception psychology is the study of human and animal systems such as vision, audition and pain sensation. This is considered a field of psychology and not anatomy or physiology because processes in the brain so greatly affect the perception of a stimulus. Included in this discipline is the study of illusions such as motion after effect, color constancy, hearing and depth perception.

Perception can be viewed as one process and sensation as a separate process. Gestalt theorists believe that with the two together a person experiences a personal reality that is greater than the parts.