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Despite previous findings of a negative association between everyday discrimination and executive functions (EF) – a set of domain-general cognitive control processes – in middle-aged and older adults, less is known about the underlying mechanism. Thus, we focused on sense on control and its two facets – perceived constraints and personal mastery – as potential psychosocial mediators of this relation. By analyzing a nationally representative adult cohort from the Midlife Development in the United States (MIDUS) 2 study, we examined two mediational models: a single mediation model with sense of control and a parallel mediation model with perceived constraints and personal mastery as mediators. Structural equation modeling analyses showed that sense of control, as well as personal mastery and perceived constraints, mediated the relationship between discrimination and EF in middle-aged and older adults. This held true when we controlled for age, race, gender, education, and health status. Our findings underscore the unique and distinctive roles of sense of control and its two facets in the relation between everyday discrimination and EF in middle-aged and older adults.

experimental aging research

Sense of Control Mediates the Relation between Discrimination and Executive Functions in Middle-Aged and Older Adults: A Structural Equation Modeling Approach