Module 12 - Module12 15:56 Objective 12-1 Our sensory and...

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Module 12 15:56 Objective 12-1 Our sensory and perceptual processes work together to help us sort out complex images through BOTTOM UP PROCESSING (begins with sense receptors) and TOP DOWN PROCESSING (draws upon experience and expectations) Objective 12-2 Animals detect energy that humans cannot process o Birds use magnetic compasses o Bats and dolphins locate pretty by bouncing echoing sound off objects o Bees navigate by detecting polarized light from the sun o Psychophysics is the study of how physical energy relates to our psychological experience ABSOLUTE THRESHOLDS- the minimum stimulation necessary to detect a particular light, sound, pressure, taste, or odor 50% of the time….our awareness of faint stimuli SIGNAL DETECTION THEORY- predicts when we will detect weak signals o Theorists seek to understand why people respond differently to the same stimuli, and why the same person’s reactions vary as circumstances change Parents of newborns notice the faintest whimper from the cradle while failing to
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This note was uploaded on 02/18/2010 for the course PSYCHOLOGY 101 taught by Professor Maas during the Fall '09 term at Cornell University (Engineering School).

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Module 12 - Module12 15:56 Objective 12-1 Our sensory and...

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