CAS PS 222 Chapter Notes - Chapter 1: Power Law, Electric Shock, Prosopagnosia
10 Aug 2018
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Document Summary
Two interacting aspects of perception: bottom- up processing (incoming data) Processing based on incoming stimuli from the environment. Also called data-based processing: top-down processing (existing data) Processing based on the perceiver"s previous knowledge. Psychophysics: studies the relationship between he physical stimulus and a person"s personal experience with it. **it is subjective*: the emphasis is measurement. Visual agnosia- the inability to recognize objects. Fusiform gyrus: area in temporal lobe of brain for visual recognition; unable to have emotional attachments to living objects, therefore never storing them, or retrieving what is stored. Prosopagnosia: face blindness; cannot attach significance to face being seen, and no stable recognition to the face, so if sees the same face twice cant tell. Man who mistook his wife for a hat: 3. Absolute threshold the smallest amount of stimulus energy necessary to detect a stimulus. Vision: a single candle from 30 miles on a dark, clear night.
