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Published byEarl Jackson Modified over 9 years ago
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Hearing and Deafness Anatomy & physiology
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Protection Impedance match Capture; Amplify mid-freqs Vertical direction coding Frequency analysis Transduction Outer, middle & inner ear
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Conductive hearing loss Sounds don’t get into cochlea Middle ear problems Helped by surgery and by amplification
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Cochlea
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Cochlea cross-section
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Organ of Corti
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Hair Cell Stereocilia
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Auditory nerve innervation OHC (2) spiral afferent (green) medial efferent (red) IHC (1) radial afferent (blue) lateral efferent (pink)
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Inner vs Outer Hair Cells are Physiologically Different
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Travelling wave on basilar membrane sorts sounds by frequency
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