PSYCH261 Lecture Notes - Nociceptor, Oval Window, Alkaloid

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Audition, the body senses and the chemical sense. *pitch frequency of vibration measured in hertz. *loudness function of sound wave intensity; wave increase in appitude when it is loud, decrease in appitude when it is soft. *timbre provides information about the nature or complexity of the sound; how many waves combine a specific sound. *tympanic membrane eardrum; vibrates when it hears sounds; as the tympnaic membrane vibrates, it causes the ossicles to vibrate into something else in to the cochlea. *middle ear hollow region containing the ossicles, between the tympanic membrane and the cochlea. *ossicles middle ear; where hammer - causes the cochlea to move; *ear drum as the ear drum vibrates, it causes the ossicles to start moving and converting the sound in to the cochlea bones. *stapes (stirrup) - no need to know the latin names. *cochlea snail-shaped structure of the inner ear containing the organ of corti. *organ of corti sensory organ for the auditory system.

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