Late aduldhood
Starts in 60's, can be the longest age grouping in one's life if an individual lives to old age
Do most older adults develop dementia?
No, it is not a normal part of aging. Only a small percentage of 65-to-75-year-old people have a neurocognitive disorder. However, this number...
Module 8 Psych 140 Portage Learning
Late aduldhood
Starts in 60's, can be the longest age grouping in one's life if an individual lives to old age
Do most older adults develop dementia?
No, it is not a normal part of aging. Only a small percentage of 65-to-75-year-old people have a
neurocognitive disorder. However, this number increases with age (50% of individuals 85 and older have
a neurocognitive disorder)_
What are some causes of neurocognitive disorders?
Various diseases, severe drug/alcohol abuse, stroke, or progressive deterioration caused by a variety of
factors
Why do women typically outlive men?
Partly genetics, but mostly environmental. Men are more likely to engage in risky behaviors, abuse drugs
and alcohol, and be less vigilant about their overall health.
Primary aging
The universal and irreversible physical changes that occur to all living creatures as they grow older,
genetically influenced, and thought to be unavoidable at this point
Secondary aging
Aging that is not inevitable and occurs due to choices we make and environmental exposures
"wear and tear" theory
States that time and exertion is the enemy, and focuses on secondary aging but ignores the actual cause
which is primary aging. However there are holes in this theory: body does a great job at repairing itself,
individuals who engage in a lot of exercise and activity are typically healthier and longer-lived than
sedentary individuals,
Free radical theory
Theory of aging that states that free radicals triggered by certain environmental contaminants might be
linked to various diseases and maladies that coincide with aging. Accumulating free radicals over time
might be associated with problems such as cataracts and arthritis
Cellular theories of aging
-free radicals
-hayflick limit
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