Having a good memory is definitely an asset in life, particularly as people get older. New research on emotions and forgetting shows how a good mood can build that asset.
A new comprehensive longitudinal study shows the role of positive affect in preserving memory in later life.
While suggestive, older neuroticism findings didn’t directly address the question of mood’s effect on cognition. Being high on a trait defined in terms of worry anddoes not necessarily mean that an individual would be depressed enough to suffer the neurological changes associated with poorer memory. More is needed to explain how a person's day-to-day feelings can affect the ability to think clearly and remember what's important.To compare personality traits vs.
Taking advantage of the longitudinal nature of the study, Tomaszewski Farias and her collaborators were able to conduct statistical tests in which the cognitive outcomes were plotted as a function of the personality and other psychological measures while controlling for baseline brain measurements. The authors used statistical modeling to construct change scores over time in cognitive functioning, providing estimates for episodic memory , semantic memory , spatial ability, and, .
Coming up with a global cognitive score, the UC Davis researchers then put all of the predictors into one equation. In this analysis, none of the personality scores reached the level of significance. Instead, mood rose to the top of the prediction formula.in later adulthood. Importantly, the predictive effects of mood on cognition were reduced but not completely eliminated when the authors controlled for baseline brain measures.
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