PSY 256 Lecture 15: Psychology 256 W9D2 Lecture 15
Document Summary
Skeleton: mineral content of bones decline s. Less dense: height reduction, diet/exercise/reduced cigarette/alcohol intake slow bone loss. Vision: gradual loss of rods and cones, lens loses elasticity. Presbyopia around age 60: vitreous changes. Hearing: 14% of americans 45-65 suffer from presbycusis, hearing loss at high frequencies. Gradually extends to all frequencies: men"s hearing declines faster than women. Skin: epidermis becomes less rmly attached to the dermic. Begins to form wrinkles: 30-40 ages. Hormone therapy: quantities of sperm decreases after 40, testosterone production declines with age, erectile dysfunction. Sexuality: frequency of sex among married couple declines with age, intensity of arousal declines as well. Due to physical changes of the climacteric. Causes of death in middle age: cancer/ cardiovascular disease are number one, unintentional injuries decline. Mostly due to car accident decline: effects of low income. Saturday, march 11, 2017: death rate multiplies ten fold from early to mid-adulthood, disruption in cells genetic program.
