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In Hubble's Tuning Fork, mergers drive the arrow of time to the .
Cognitively Impaired
A term referring to individuals who have significant limitations in intellectual functioning and in adaptive behavior, which covers many everyday social and practical skills.
Integrity Versus Despair
The final stage of Erik Erikson’s developmental sequence, in which older adults seek to integrate their unique experiences with their vision of community.
Erik Erikson
A psychologist known for his theory on the psychosocial development of human beings, outlining eight stages that cover the entire lifespan.
Socio-Emotional Selectivity Theory
A psychological theory that explains how individuals prioritize their emotional goals and social relationships as they age.
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