Lecture Three Notes - GE 80A Lecture 3 Approaches to the...

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GE 80A Lecture 3 Approaches to the Study of Aging The Bio/Psycho/Social Perspective Dr. Rita B. Effros The topic of aging is interdisciplinary by its very nature. Discipline A branch of knowledge or learning A branch of study dealing with a body of facts or truths systematic Biology : The study of living organisms, with reference to origin, growth, reproduction structure Psychology : Sociology : Features of Aging Heterogeneity Functional vs. Chronological Age – functional age is equally, if not more, important than chronological age. Diminished “Reserve” – diminished with aging. Example: Elders are less able to cope with extreme heat. There are certain characteristics that are universal. Intrinsic – happens due to something internal Increased Vulnerability Skin o wrinkles, discoloration o illness (melanoma, infections) o zone layer (external effect) o sunscreen o tan = success, health, wealth
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o economics Falls (unable to stand) o Cerebellum (balance) o muscle mass – reduced muscle mass occurs with aging o sleep patterns o vision changes o lighting in the areas of falls o how a young person falls – young people have faster reflexes which reduces the severity of injuries o hip fracture o immobilization – lung problems o end of independent living Heredity/Environmental Interaction Cardiovascular System
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