PSYC 2220 Chapter Notes - Chapter 11: Fetus, Cochlear Implant, Tonotopy
11 May 2016
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11. 1 - introduction, the perceptual process for hearing, physical aspects of. Causes a slight decrease in air pressure: this pattern of air pressure changes (which travels through air at. Which one is physical, and which one is perceptual: sound level is the term used in referring to the decibels or sound pressure of a sound. Loudness - perceptual quality most closely related to the level or amplitude of an auditory stimulus, which is expressed in decibels. As we increase the level, the loudness increases. 4. membrane/eardrum at the end of the canal and helps keep the structures in the middle ear at a relatively constant temperature. In particular, contraction of the muscles prevents our own vocalizations, and sounds from chewing, from interfering with our perception of speech from other people: the inner ear, main structure is the liquid-filled cochlea , snail like structure. Located in different places on the organ of corti.
