Sensation v Perception dedicated sense receptors that detect stimuli within their detection range phoneme a sound that us the smallest sounding a language that can be distinguished from other sounds Perceptual schema believing is seeing Bottom up processing activated by stimulus features data driven Top down processing concept construct driven knowledge based Gestalt Theory tend to organize the world the simplest way possible in cohesion law of pragnanz figure ground 2 faces hourglass cannot see them simultaneously salient continuity 2 half circles line with squiggle similarity x o in columns instead of rows Synesthesia feeling together detect one sense in use of another sense Global Precedence finding that large figural info is going to capture our attention faster than detail info and detail info is slower to notice when it is incongruent with a larger picture Visual capture hear sound coming from front of theater even though we know the speakers are behind us white wine with red food coloring wine tasters experience taste of red wine ventriloquist effect Inattention change blindness agnosia not recognizing an object or person that we should visual and tactile identification 1 prosopagnosia cant recognize faces 1 Oliver Sachs The Man who mistook his wife for a hat cid 127 cid 127 cid 127