Background of study: Cognitive decline is common among older adults and affects memory, thinking, and communication, which can reduce quality of life. One nonpharmacological intervention that nurses can apply is reminiscence therapy, which encourages older adults to recall meaningful past experiences to stimulate cognitive activity and improve psychological well-being.Aims and scope of paper: This scientific paper aims to analyze nursing care and evaluate the application of reminiscence therapy in improving cognitive function among older adults at UPT PSTW Husnul Khotimah, Riau Province.Methods: The method used was a one-group pretest–posttest design with two older adults as subjects, using the Mini Mental State Examination (MMSE) before and after the intervention. The therapy was conducted for three consecutive days with a total of twelve sessions.Result: The results showed an increase in MMSE scores from a range of 12–19 to 14–21.Conclusion: Reminiscence therapy is effective and should be applied continuously in elderly nursing care.
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