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Cognitive performance of breast cancer survivors in daily life: Role of fatigue and depressed mood

Cancer and its treatment are associated with long‐term cognitive deficits. However, most studies of cancer patients have used traditional, office‐based cognitive evaluations instead of assessing patients in their daily lives. Recent research in cognitive aging suggests that variability in performance may be a sensitive indicator of cognitive decline. Using ecological momentary assessment (EMA), we examined cognitive variability among breast cancer survivors and evaluated whether ratings of fatigue and depressed mood were associated with cognition.