ArticleJournal of Alzheimer's disease reports
Purpose and meaning in life and the trajectory of episodic memory in eight longitudinal samples.
Article in Journal of Alzheimer's disease reports. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Higher purpose and meaning in life are associated with lower risk of Alzheimer's disease and related dementias. Change in memory over time may be an early indicator of oncoming cognitive impairment and, even in the absence of impairment, memory change is associated with reduced quality of life in older adulthood. Purpose has been associated with better episodic memory performance when measured concurrently; less is known about whether purpose is associated with change in memory over time. Objective: To examine the association between purpose and declines in memory over time in multiple cohorts. Methods: The analyses included eight established cohort studies (total Results: A random-effects meta-analysis indicated that purpose was related to the level (intercept meta-analytic estimate = 0.26, Conclusions: Purpose in life is associated consistently with the average level of episodic memory but not how it changes over time. The association between purpose in life and lower risk of Alzheimer's disease may be due, in part, to the higher average level of episodic memory rather than less systematic decline in memory over time.
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