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Brief Articles

Sometimes you just can’t: within-person variation in working memory capacity moderates negative affect reactivity to stressor exposure

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Pages 1357-1367 | Received 19 Oct 2022, Accepted 02 Aug 2023, Published online: 18 Sep 2023
 

ABSTRACT

The executive hypothesis of self-regulation places cognitive information processing at the center of self-regulatory success/failure. While the hypothesis is well supported by cross-sectional studies, no study has tested its primary prediction, that temporary lapses in executive control underlie moments of self-regulatory failure. Here, we conducted a naturalistic experiment investigating whether short-term variation in executive control is associated with momentary self-regulatory outcomes, indicated by negative affect reactivity to everyday stressors. We assessed working memory capacity (WMC) through ultra-brief, ambulatory assessments on smart phones five times per day in a 7-day ecological momentary assessment (EMA) study involving college-aged adults. We found that participants exhibited more negative affect reactivity to stressor exposures during moments when they exhibited lower than usual WMC. Contrary to previous findings, we found no between-person association between WMC and average stress reactivity. We interpret these findings as reflecting the role of executive control in determining one’s effective capacity to self-regulate.

Acknowledgements

The content is solely the responsibility of the authors and does not necessarily represent the official views of these granting agencies.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This study was supported by the National Institute on Aging of the National Institutes of Health under award numbers K99AG056670, R00AG056670, R61AG078084, and U2CAG060408.

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