PSYCH 1NN3 Lecture Notes - Retinal Pigment Epithelium, Visual Acuity, Receptive Field
14 Nov 2013
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Document Summary
Nearly 1/3 of the brain is devoted to processing visual information. If visual sense gives us information that is in conflict with information form another sense, we tend to bias our trust towards our sense of vision. Our visual sense primarily an instrument to collect, focus, and sense the light. Although there is some initial processing done on the information collected, the heavy duty processing occurs in the brain. John is blind b/c of stroke in occipital lobe and can t perceive world around him and maintain his independence. Never been in your house but he can navigate through home easily and avoid a pile of books in middle of living room hall. How can he do this if he has no visual perception. The stimulus: light roperties of light: there are three physical characteristics of light that translate into the three psychological perceptions of our visual world. Light travels as a wave that moves at about 300 000 km/sec.
