REM sleep behavior disorder

Published research on REM sleep behavior disorder.

PsychologyMay 6, 2026

Parkinson’s Disease Prevention: Prodromal Symptoms, RBD, Early Intervention Trials

Parkinson’s disease has a years-to-decades prodromal stage where motor symptoms haven’t yet emerged but pathology is accumulating. A 2026 review by Schaeffer et al. synthesizes the case for …

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BrainMay 4, 2026

Lewy Body Dementia Cognitive Fluctuations Affect 75-90% of Patients

Cognitive fluctuations are a defining feature of dementia with Lewy bodies (DLB), helping distinguish it from Alzheimer’s disease — but they remain notoriously difficult to characterize and …

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