PSY280H1 Lecture Notes - Eardrum, Hair Cell, Spiral Ganglion
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PSY280H1 Full Course Notes
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Document Summary
Video of ind 29 deaf all of life, and got cochlear implant. Stim is sound eaves popageated through space in a medium. Hearing get sent to area that process auditory stimulation. Flick string air compress forward increase air pressure and as comes back rarificaion sucks it back tihtly then refraction and then compress. Compression increase in pressure and rar is decrease relative to pressure. Single sound pure tone not that many in env are artificial. Compression and rare, compression is peak and rare is trough. One cycle is maximum pressure back to min to max. Min . 0002 and 280, change per area. In decibels, one tenth of bel of alexander grand bell bc investigated sound wave, 50/ refrence pressure, pressure of air at baseline no wave propagating through it. Phase is comp and rar whether at peak or dip. At zero up peak is 90 then base is 180 half circle. Length of 180 varies across different sound sources.