Review Note
Last Update: 11/04/2023 04:50 PM
Current Deck: PHYL 2041 (Exam 2)
Published
Fields:
Front
Identify the components of the external ear and their respective functions in hearing
Back
- Sound waves funneled by pinna and external auditory canal onto tympanic membrane
- Pinna: Filters high-frequency sounds based on elevation of sound source and contributes to sound localization
- External auditory canal: Amplifies sound pressure 30-100x
- Tympanic membrane: Vibrates in response to sound waves; Vibration frequency is dependent on sound pitch, and vibration amplitude is dependent on loudness
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