PSY100H1 Lecture Notes - Eardrum, Gestalt Psychology, Cochlea

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3 Nov 2010
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PSY100H1 Full Course Notes
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PSY100H1 Full Course Notes
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Sound waves --> peaks and lowest points are amplitude, which determines our perception of loudness and frequency determines our perception of pitch. Ear anatomy --> sound waves go into the ear canal, vibrate the ear drum, causing the bones (ossicles) to move back and forth. Dierent parts along the cochlea corresponf to dierent frequencies. Between the ears and the brain, sound processing occurs along the auditory pathways --> involves comparing the signals from both ears and analyzing them (intensity, where it came from). Sound entering the left ear is processed by the right side of the brain and one entering the right ear is processes by the left brain. Dorsel where stream --> pathway that process spatial info. Primary auditory cortex --> 1st place in the cortex. Sound segregation --> we must be able to seperate the sounds --> we must be able to group or integrate sounds over times (known as sequential sound segregation)