hde 100c chapter 1

biopsychosocial perspective

a view of development as a complex interaction of biological, psychological, and social processes

continuity principle

changes people experience in later adulthood build on the experiences they had in earlier years

survivor principle

people who live to old age are the one ones who managed to avoid the many threats that could have caused their deaths at earlier ages

individuality principle

as people age, they become increasingly different

interindividual differences

differences between people

intraindividual differences

variations in the same individual

multidirectionality

intraindividual differences that can proceed in multiple directions

normal aging is different from disease principle

primary aging (normal aging)

secondary aging (disease)

tertiary aging (impact of disease on area of functioning that may already possibly be compromised

normative age-graded influences

lead people to choose experiences that their culture and historical period attach to certain ages or point in life

normative history-graded influences

events that occur to everyone in a certain culture or geopolitical unit

nonnormative influences

random idiosyncratic events

life expectancy

average number of years of life remaining for people born in a similar period of time

life span

maximum amount of years for a given species