What causes older adults to typically experience greater difficulty hearing high-frequency sounds, a condition known as presbycusis?

💡 Explanation

Cumulative noise damage causes presbycusis, because over time, hair cells, especially those responding to high frequencies at the cochlea base, suffer irreversible damage due to chronic acoustic overstimulation, therefore causing a high-frequency hearing loss, rather than changes in fluid, ossicular stiffness or membrane sensitivity.

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