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Chapter Five Psychology Notes

Chapter Five Psychology Notes - Chapter Five Psychology...

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Chapter Five Psychology Notes  Sensation and Perception  Synesthesia-  the mixing of senses -Someone with synesthesia may experience sounds as colors, or taste as touch - these individuals provide glimpses of different aspects of how we “sense” and  “understand” our world  Sensory and Perceptual processes                               Sensation                 Stimulus is received by sensory receptor              Receptors translate stimulus properties into nerve                                                               impulses (transduction)                 Feature detectors analyze stimulus features                   Stimulus features are reconstructed into                                                                 neural representation              Neural representation is compared with previously                                                           stored information in brain          Matching process results in results in recognition                                                             and interpretation of stimuli                          Perception -Sensation and perception blend together so completely that they  are hard to  separate Sensation- the stimulus-detection process by which our senses organs respond to and  translate environmental stimuli into nerve impulses that are sent to the brain Perception- making “sense” of what our sense tell us- is that active process of organizing  this stimulus input and giving it meaning -because perception is an active and creative process, the same sensory input may be  perceived in different ways at different times
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Sensory Process There are five classical senses in which we are familiar with: - vision - audition (hearing) - touch - gustation (taste) - olfaction (smell) -sensory systems are designed to extract from the enviroment the information that we  need to funcation and survive Psychophysics- studies the relations between the physical characteristics of stimuli and  sensory capabilities, is concerened with two kinds of sensitivity. -absolute limits of senseitivity(lightest light, softest sound) -difference between stimui- smallest difference in brightness we can detect?
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