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BIOLOGICAL THEORIES OF AGING
Evolutionary Theory of Aging
LIFE EXPECTANCY AND LIFE SPAN
Life Span
GENETIC/CELLULAR PROCESS THEORIES.
Life Expectancy
Centenarians
Supercentenarians Cellular Clock/Telomere Theory
→
→ Free-Radical Theory
→
→
Mitochondrial Theory
THE YOUNG-OLD AND THE OLDEST-OLD Sirtuin Theory
➢ young-old
oldest-old
, mTOR Pathway Theory
Hormonal Stress Theory Language.
SLEEP
The Course of Physical Development
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in Late Adulthood
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THE AGING BRAIN
THE SHRINKING, SLOWING BRAIN. ➢
→
→
THE ADAPTING BRAIN.
PHYSICAL APPEARANCE AND MOVEMENT
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→
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Neurogenesis.
Biological Processes.
→
→ Movement & Aging.
→
SENSORY DEVELOPMENT
Brain Development.
VISION.
✓
→
The Decrease in Brain Lateralization in Older Adults. →