The Influences of Cognitive Resources on Adaptation and Old Age

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Abstract
In the Georgia Centenarian Study, cognitive resources were estimated by fluid and crystallized intelligence, acquisition and retrieval of new information, retrieval of familiar information, and problem-solving ability in community-dwelling and nondemented adults ranging from sixty to one hundred plus years of age. Five clusters of results were found: 1) cognitive performances were lower for the older cohorts; 2) when cognitive activities were dependent on everyday experiences, no age-related problem-solving decline was found; 3) physical health and mental health can significantly influence cognitive performances; 4) cognitive and personality factors can combine to account for a larger amount of adaptation variance than can be accounted for by either of the factors alone; and 5) individuals with a high level of intelligence and affect sustain their instrumental activities of daily living. Cognitive resources were an important contributor to successful adaptation for the oldest-old.

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