PSYC 3206 Lecture Notes - Lecture 10: Visual Acuity, Presbycusis, Visual Search
Document Summary
No consensus on when it begins and ends: defined by textbook as being 45-65 years. In u. s. , middle-age is increasingly a state of mind. No specific biological or social events that mark its boundaries. Most younger middle-aged adults see their lives as still needing improvement. Most older middle-aged adults are satisfied with most areas of life: social, financial, health. For most people, at least up until about age 75, aging is a positive experience. Behavioral and lifestyle factors dating from youth can affect physical changes. People who are active early in life reap the benefits later in life. Loss of visual acuity: presbyopia, myopia. Speeds up in the 5(cid:882)"s: rarely noticed in early life. Affects sounds at pitches higher than speech. Skin may become less taut and smooth: layer of fat becomes thinner. People sweat less: sweat glands diminish. When a woman permanently stops ovulating and menstruating. No longer able to conceive a child.
