PSY 120 Notes

PSY 120 Notes - PSY 120 Notes Sensation and Perception...

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PSY 120 Notes (4/8/2008) Sensation and Perception Sensation vs. Perception Blurry baseball coming at you?? Sensation Once you realize, interpret, the blob is a baseball!! Perception Definitions Sensation Process by which stimulus energies are detected and encoded Perception Process used to arrive at a meaningful interpretation of sensations Organization of sensations Interpretations differ Absolute Threshold The minimum stimulation needed to detect a particular stimulus 50% of the time Subliminal Messages Messages presented below one’s absolute threshold for conscious awareness Not strong enough to be recognized Can subtly influence people, but never control behavior Experiment: on preference Sensory Adaptation Diminished sensitivity as a consequence of constant stimulation (dark room, cold water…) Could you adapt to an upside down world? Photoreceptor Cells
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PSY 120 Notes - PSY 120 Notes Sensation and Perception...

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