exam IV (final) Flashcards
(79 cards)
middle adulthood major objectives
expand responsibility, more aware of time, satisfaction in career
mechanics of aging
telomeres at end of each chromosome and epigenetic
marks at the edges of DNA begin to wear away
middle adulthood vision
cornea flattens, lens lose flexibility, weakened muscle changing lens shape, ability to see in dim light declines, limited color discrimination
presbyopia
farsightedness, inability to focus lens on close objects
middle adulthood hearing
age-associated hearing loss is mostly preventable, mens quicker than womens
presbycusis
“old hearing” - apparent in 50s, loss begins w high-pitched sounds
middle adulthood endurance
at its peak
By age 50, about ___ of men show some signs of hair
loss
half
middle adulthood skin
layers of skin loosen/thin, loss of fat –> wrinkling+loosening, women experience sooner+quicker
middle adulthood muscles
rate of decline in muscle mass &
strength accelerates in 40s, isometric strength retained
middle adulthood bones
density decline after 30s, thinner+more porous, losing height
menopause average age
51
influence of menopause timing
heredity + lifestyle/contextual influences
official start of menopause
1 year after last menstrual period
perimenopause
transition to menopause, extending from 3 years
before & after menopause
perimenopause symptoms
shorter cycle, erratic periods, less predictable, hot flashes, reduced arousal
men middle adulthood hormonal changes
slight declines in sex hormones of ~2% a year
“sandwich generation”
middle-aged adults pressed to meet demands of career & family BUT often have demands of caring for aging parents
tobacco use
smoking rates have declined
crystallized intelligence
The accumulation of facts and information from past experiences
fluid intelligence
connections among ideas + inferences, processing/problem-solving
middle adulthood - crystallized vs fluid intelligence trend
fluid declines, crystallized increases
inihibition
ability to resist interference from irrelevant information to stay focused on the task at hand - becomes more difficult over adult years
middle adulthood memory
capacity of working memory declines from 20s-60s, related to changes in attention