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Chapter 23. Biosocial Development in Late Adulthood. Michael Hoerger. Aging. Ageism: prejudice based on age All teens shoplift All older adults wear diapers Geriatrics: medical specialty for old age Gerontology: multidisciplinary specialty in social sciences related to old age

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Chapter 23

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Chapter 23 l.jpg

Chapter 23

Biosocial Development in Late Adulthood

Michael Hoerger


Aging l.jpg

Aging

  • Ageism: prejudice based on age

    • All teens shoplift

    • All older adults wear diapers

  • Geriatrics: medical specialty for old age

  • Gerontology: multidisciplinary specialty in social sciences related to old age

  • World population: 7%

  • US population: 13%


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Anti-Aging

  • Calorie restriction in older age:

    • Double the lifespan of most mammals

    • Difficult for people to get nutrients on fewer calories, especially if taking medication

    • Unwise for humans


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Primary Aging

  • Skin: dry, thin, rigid, wrinkled

  • Hair: loses pigment, related to chronology

  • Wight: decreased muscle/bone mass

    • Benefits of strength training

  • Vision:

    • Cataracts: clouded vision due to thicker lens

    • Glaucoma: hardening of the eyeball due to fluid buildup


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Why do People Age?

  • Wear and Tear: Body wears out over time simply due to use

  • Genetic Aging: Average life expectancy changes, but not the maximum life span

  • Cellular Aging: Errors in cell maintenance

    • Free radicals

    • Hayflick effect

    • Declining immune system


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Michael Hoerger

To cite this textbook:

  • Berger, K. (2005). The developing person through the lifespan. New York: Worth.

    To cite this lecture:

  • Hoerger, M. (2007, April 16). Developmental Psychology: Late Adulthood Biosocial Development. Presented at a PSY 220 lecture at Central Michigan University.


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