Abstract

ABSTRACTObjectives: Unusually high engagement in expressive suppression (i.e., purposeful regulation of overt affect) has been associated with poorer performance on executive functioning (EF) and motor-sequence learning tasks. As such, expressive suppression represents one possible source of fluctuations in executive test performance. However, the relationship between expressive suppression and EF and motor performance has not yet been examined in older adults, who are more prone to EF and motor fluctuations than are younger adults. The purpose of this study was to test whether greater self-reported, naturally occurring expressive suppression is related to poorer EF performance and motor-sequence learning in older adults.Method: One hundred and ten community-dwelling older adults completed a self-report measure of expressive suppression, a battery of EF tests, and a computer-based measure of motor-sequence learning.Results: As expected, higher self-reported burden of expressive suppression in the 24 hours prior to testing was related to poorer performance on EF tests and on multiple aspects of motor-sequence learning (action planning latencies and sequencing errors) even after accounting for age, depressive symptoms, and component processes (e.g., processing speed).Conclusions: The current results suggest that naturally occurring expressive suppression depletes EF, which builds on previous findings from experimental studies that show that expressive suppression leads to reduced EF performance. Furthermore, this effect can be captured using self-report methods. These findings highlight expressive suppression as one source of intraindividual fluctuations in executive and motor functioning, which likely place older adults at risk for both functional and motor lapses (e.g., medication mistakes, falls).

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