A teacher used distortion goggles, which shifted the wearer's gaze 20 degrees, to demonstrate an altered perception. A student wearing the goggles initially bumped into numerous desks and chairs while walking around, but chose to wear the goggles for a half hour. After 30 minutes, the student was able to smoothly avoid obstacles, illustrating the concept of:. a. perceptual adaptation.
b. visual interpretation.
c. sensory restriction.
d. perceptual constancy.
e. binocular cues.