Chapter 7.2 - The Auditory System

Chapter 7.2 - The Auditory System - AUDITIO (Chap 7.2) Web...

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AUDITIO& (Chap 7.2) Web Links for Auditory System http://www9.biostr.washington.edu:80/cgi - bin/DA/PageMaster? atlas:NeuroSyllabus+ffpathIndex/Syllabus^Chapters/SUBJECTS/Auditory+2 Receptors in the auditory system transduce vibratory energy (vibration of molecules in a medium). Sound is perceived. Three basic characteristics of sound: Frequency, Intensity, Velocity (FIG. 7.3) 1) Frequency: Cycles per second. 1 cycle/sec = 1 Hertz (Hz) Audible spectrum: 20 to 20,000 Hz. Spectrum varies for species (e.g., extends higher for dogs, bats), age. Frequency of stimulus is associated with pitch perception. (in vision, frequency of stimulus is associated with color perception) 2) Intensity: amount of energy in stimulus: loud or faint sounds. We can hear a broad range of intensities: from very faint sounds (rustling of leaves) to very loud ones: jet engine. 3) Velocity, depends on the medium in which waves travel.
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This note was uploaded on 04/04/2012 for the course PSYCH 202 taught by Professor Kim during the Fall '06 term at University of Washington.

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Chapter 7.2 - The Auditory System - AUDITIO (Chap 7.2) Web...

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