PSYCH 1XX3 Lecture Notes - Lecture 2: Vitreous Body, Sclera, Retina
Document Summary
~ 1/3 of the brain devoted to processing visual information. When visual information is in conflict with information from another sense, we tend to bias our trust towards our sense of vision. Eyes are primarily an instrument to collect, focus and sense the light stimulus. See in our brain, in an amazingly complex process. John rendered blind by an occipital lobe stroke at 30. Invite him and his wife over for dinner, his first time he has visited but he has little difficulty navigating his way through your home. Sidesteps a toy truck your son left in the middle of the living room, avoiding a potential fall. Light travels as a wave, varying in the height (amplitude) and distance between peaks of successive waves (wavelength) Variation in amplitude affects the perception of brightness: greater, the more light reflected or emitted; appears brighter or more. Variation in wavelength affects the perception of colour (nm or millionths of intense a mm)
