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- W2169231801 abstract "Depression and anxiety and are associated with cognitive deficits and brain changes, especially in older adults. Despite the frequent co-occurrence of these conditions, cognitive neuroscience studies examining comorbid depression and anxiety are limited. The goal of the present study was to examine the unique and combined effect of depressive and anxiety symptoms on cognitive and brain functioning in young and older adults.Seventy-one healthy, community-dwelling adults between the ages of 18 and 81 were administered a neuropsychological battery and completed the Center for Epidemiologic Studies Depression Scale (CES-D) and the trait form of the State-Trait Anxiety Inventory (STAI-T). A subset of 25 participants also underwent functional magnetic resonance imaging (fMRI) scanning while completing the n-back working memory task.Total depressive symptoms, depressed mood symptoms, and somatic symptoms were associated with deficits in speed, working memory and executive functions, especially in older adults. Symptoms of lack of well-being were not associated with any neuropsychological test. Anxiety was associated with better attention and working memory. Moreover, anxiety modified the relationship between depressive symptoms and executive functioning in older adults, as elevated depressive symptoms were associated with worse performance at low levels of anxiety, but not at higher anxiety levels. Similarly, analysis of fMRI data showed that total depressive symptoms and depressed mood symptoms were associated with decreased activity in the superior frontal gyrus at low anxiety levels, but not at high anxiety levels.Results confirm previous reports that subthreshold depression and anxiety impact cognitive and brain functioning and suggest that the interaction of depression and anxiety results in distinct cognitive and brain changes. Findings highlight the importance of assessing and controlling for symptoms of depression and anxiety in research studies of either condition." @default.
- W2169231801 created "2016-06-24" @default.
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- W2169231801 date "2014-01-01" @default.
- W2169231801 modified "2023-10-09" @default.
- W2169231801 title "Unique and Interactive Effect of Anxiety and Depressive Symptoms on Cognitive and Brain Function in Young and Older Adults" @default.
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- W2169231801 doi "https://doi.org/10.4172/2167-1044.s1-003" @default.
- W2169231801 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4222514" @default.
- W2169231801 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25383262" @default.
- W2169231801 hasPublicationYear "2014" @default.
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