Journal Article10.1097/00002093-200307000-00008
Memory aging from 18 to 80.
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TL;DR: The results suggest that memory aging begins in early adulthood, that it overlaps with other aspects of cognitive aging, and that it can occur without accompanying increases in between-person variability.
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Abstract: Data from samples of adults selected to be representative of the U.S. population were examined to investigate issues related to the breadth and timing of age-related effects on memory and other cognitive functions. The results suggest that memory aging begins in early adulthood, that it overlaps with other aspects of cognitive aging, and that it can occur without accompanying increases in between-person variability. These findings imply that it is important to consider factors occurring early in life when attempting to understand the causes of memory and cognitive impairments apparent late in life.
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References
Age-related effects on cognition between 20 and 50 years of age
TL;DR: In this article, the authors analyzed data from 5391 adults between 20 and 50 years of age to determine the magnitude of cross-sectional age-related effects on a set of cognitive variables within this age range, and examined the degree of independence of agerelated influences on different variables.
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Age-related memory decline: current concepts and future directions.
TL;DR: Questions about the effect of age on memory and the brain, and attempts at early answers are discussed, are reviewed herein.
The role of cognitive stimulation on the relations between age and cognitive functioning.
TL;DR: The results of this study provide little evidence for the hypothesis that cognitive stimulation preserves or enhances cognitive functioning that would otherwise decline.