The attainment of peak physical and psychological functioning and participation in rewarding social activities.
The scientific study of the biological, psychological, and social aspects of aging.
The study of the social aspects of aging.
Number of years a person has lived
Young-Old: People 65 to 74
Middle-Old: People 75 to 84
Oldest-Old: People 85 or older
A set of expectations or guidelines for people who occupy a given position or status, such as widow, grandfather, or retiree.
A definition of age based on how people look and what they can do; in functional terms, a person becomes old when he or she can no longer perform the major roles of adulthood.
People who are healthy and active, involved in social and leisure activities, often employed or busy with volunteer work, still carrying out family responsibilities, and fully engaged in the life of the community.
Somewhat impaired elderly
People who are beginning to experience chronic ailments and need some assistance from family or community service agencies.
Older people who depend on others for carrying out their daily activities; they show some mental or physical deterioration and need care from family members.
Subjective age identity
How people subjectively define their age; most important factors in determining subjective age identity are activity level and health.
The aggregate of individuals who experienced the same event within the same time interval.
The continuous advancement of a cohort from one age category to another over its life span.
A term applied to studies of family processes; refers to a kinship link.
A difference due to the experiences or characteristics of the particular cohort to which an individual belongs.
A systematic stereotyping of and discrimination against people because they are old.
A composite of ideas and beliefs attributed to people as a group or social category.
Negative behavior toward older people ; acting on the basis of stereotypes.