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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

Chapter 23

Biosocial Development in Late Adulthood

Michael Hoerger

aging
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%
anti aging
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
primary aging
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
why do people age
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
slide6
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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