cognitive notes (dragged) 8.pdf - \u25cb \u25cb \u25cb \u25cf \u25cf \u25cf Monocular cue Very long distances Atmospheric particles between the viewer and an object

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Monocular cue Very long distances Atmospheric particles between the viewer and an object scatter light (reason why this occurs) Linear perspective- parallel lines seem to meet in the distance (railroad track) Monocular cue Binocular depth cues Convergence - the more your eyes rotate inward to focus on an object, the closer the object is perceived to be Stereopsis - because the eyes are in different places, they get slightly different views of an object Are we born with the ability to perceive depth? Visual cliff experiments (6 months) Top down and bottom up processing Bottom up processing - an analysis of the actual sensory message Saxophone player Top down processing - using our knowledge, beliefs and expectations to determine what to see Inkblot test The muller-lyer illusion Result of top down processing No difference in length of two lines, but one looks longer
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Unformatted text preview: ○Some people are not susceptible to this illusion (remote tribes), thought lines were the same ■ If you grow up in a carpenter society (where buildings are designed), if exposed to right angles frequently, because of experience we can rely on top down processing to see the illusion (things being far or closer away) ■ People living in “non carpentered” societies are not susceptible ● Other illusions can result from sensory adaptation (retinal fatigue) Subliminal perception ○ Hysteria in 60’s over subliminal advertising ○ There is no evidence this ever took place ■ Subliminal message (buy popcorn ex) Attention- focusing cognitive processes on external stimuli so that information can be gathered about them ● Focusing on one thing to the exclusion of everything else ● There are three primary attributes of attention...
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