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VR Training for Alzheimer’s Improved Memory Tests, Not Daily Function

MHD card with a VR headset and memory tiles: 11 study reports include 2 from the same cohort; memory test scores improved, with no clear gain in daily life.

A 2026 meta-analysis of 11 reports from small randomized trials found that virtual reality (VR) training modestly improved thinking-test scores in people with Alzheimer’s dementia (standardized effect 0.44), but it did not produce a clear benefit for everyday functioning, quality of life, or mood.1 The studies were small, several had design problems, and the researchers …

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tDCS Plus Cognitive Training Improved Cognition Short-Term by SMD 0.36

MHD featured image for tDCS plus cognitive training in cognitive impairment.

A 2026 medRxiv meta-analysis of 27 trials found that transcranial direct current stimulation added to cognitive training improved global cognition immediately after treatment by SMD 0.36 compared with cognitive training alone.1 The signal was small, short-term, and rated very low certainty, so it is not evidence that tDCS is a durable cognitive-rehabilitation shortcut. Research Highlights …

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