ArticleArchives of physical medicine and rehabilitation2026
Does Depressed Mood Affect Accuracy of Perceptions of Cognitive Function in Multiple Sclerosis? The Role of Momentary Depressive Symptoms in the Correspondence Between Subjective and Objective Cognition in Multiple Sclerosis.
Article in Archives of physical medicine and rehabilitation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo examine whether the momentary association between subjective cognitive dysfunction (SCD) and objective cognitive performance (OCP) varies as a function of within-person fluctuations in depressed mood among people with multiple sclerosis (PwMS).
designSecondary analysis of microlongitudinal data collected over 14 days from PwMS.
settingCommunity.
participantsAmbulatory adults with MS (N=241).
interventionsNot applicable.
main outcome measuresParticipants completed ecological momentary assessments 4x per day for 2 weeks, reporting SCD, depressed mood, and brief objective cognitive tasks assessing processing speed and working memory. Multilevel models tested within-person associations between OCP and SCD and moderation by depressed mood.
resultsMomentary objective processing speed corresponded to total SCD, such that slower processing speed was associated with higher perceived cognitive dysfunction (B=0.06, SE=0.01, P<.001). In contrast, objective working memory did not correspond with total SCD. Depressed mood was independently associated with greater SCD (B=0.09, SE=0.01, P<.001) but did not moderate the relationship between OCP and SCD.
conclusionPwMS appear accurate in their momentary perceptions of processing speed performance, but less so for working memory. Depressed mood states are associated with elevated perceptions of cognitive dysfunction regardless of objective performance.
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