PSYCH 1XX3- Final Exam Guide - Comprehensive Notes for the exam ( 85 pages long!)

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29 Mar 2018
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The auditory systems translates sound waves from vibrating objects into audition. Yes, a falling tree in a forest would produce sound waves, but sound waves themselves do not make sound unless an auditory system is present to translate those sound waves into the perceptual experience of audition. Unit 2: the auditory mechanisms of different species. Vary across species according to specific needs, Species vary in the range of frequencies that they can detect. Ex. a dog whistle produces a sound at high frequency that is beyond the range of human ears. Audible frequency range is determined in part by the evolution of the structures of the auditory system. Basilar membrane: key structure which contains the hearing receptors, sounds of different frequencies are processed along different areas of the basilar membrane: varies in length across species, longest in mammals, longer= wider range of frequencies. Condensed bands of air particles ripple away from the sound source in all directions.

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