Robert S. Feldman,
University of Massachusetts, Amherst
| activity theory of aging | A theory that holds that the elderly who age most successfully are those who maintain the interests and activities they had during middle age
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| adolescence | The developmental stage between childhood and adulthood
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| disengagement theory of aging | A theory that holds that aging is a gradual withdrawal from the world on physical, psychological, and social levels
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| ego-integrity-versus-despair stage | According to Erikson, a period from late adulthood until death during which we review our life's accomplishments and failures
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| generativity-versus-stagnation stage | According to Erikson, a period in middle adulthood during which we take stock of our contributions to family and society generativity_versus (210.0K)
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| genetic preprogramming theories of aging | Theories that hold that there is a built-in time limit to the reproduction of human cells, and that after a certain time they are no longer able to divide generativity-versus (210.0K)
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| identity | The distinguishing character of the individual: who each of us is, what our roles are, and what we are capable of
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| identity-versus-role-confusion stage | According to Erikson, a time in adolescence of major testing to determine one's unique qualities
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| intimacy-versus-isolation stage | According to Erikson, a period during early adulthood that focuses on developing close relationships
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| life review | The process in which people in late adulthood examine and evaluate their lives
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| menopause | The point at which women stop menstruating and are no longer fertile menopause (106.0K)
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| puberty | The period during which maturation of the sexual organs occurs, beginning at about age 11 or 12 for girls and 13 or 14 for boys puberty (197.0K)
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| wear-and-tear theories of aging | Theories that hold that the mechanical functions of the body simply stop working efficiently when we are old
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