01:830:338 Lecture Notes - Lecture 6: Sensorineural Hearing Loss, Cochlear Implant, Hearing Loss
28 May 2016
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Document Summary
By age 65, about one-third of adults have some significant hearing impairment. Shortening of loudness scale (loud-soft discrimination) caused by sensorineural hearing loss: may result in need for hearing aids or cochlear implants. Vestibular system slight problems w age in this system: medication. Ability to taste and smell declines with age. Calcium loss causes less dense, more brittle bones. Estrogen and other medications: monitoring patient adherence to treatment. Heart of older person functions as well as younger on daily basis but slower to respond to challenge: walls of arteries thicker and less supple and do not adjust to blood flow as well; higher blood pressure. Regular exercise can reduce some of aging effects. The proportion of men and women taking blood pressure medication increases sharply with age from the late 30s to mid-70s. Reflects the body"s ability to take in and utilize oxygen during exercise. Peaks in adolescence and declines steadily with age.
