PSYC 3404 Chapter Notes - Chapter 12: Amyloid, Dementia, Macular Degeneration

• School: Northeastern University
• Department: Psychology
• Course: PSYC 3404
• Professor: Dawn Cisewski

Document Summary

Ageism: prejudice and discrimination based on age. Activities of daily living (adl): daily requirements of life for adults such as bathing, dressing, food preparation and eating, housekeeping, and paying bills. Functional age: age that indicates the actual competence and performance of older adults; may be higher or lower than chronological age. Old age dependency ratio (oadr): number of people 65 and older divided by number of people age 20-64 and then multiplied by 100. Primary aging: inevitable biological aging that takes place in all living organisms. Secondary aging: decline in physical functioning that takes place due to lifestyle behaviors such as unhealthy diet, insuf cient exercise and substance abuse, as well as environmental in uences i. e. pollution. Cataracts: progressive thickening of the lens of the eye that causes vision to become cloudy, opaque, and distorted. Macular degeneration: loss of clarity in the center of the visual eld, due to aging of the visual system.