Distressing dreams and risk of Parkinson’s disease: A population-based cohort study

BackgroundParkinson's disease (PD) is associated with alterations to the phenomenology of dreaming - including an increased frequency of distressing dreams. Whether distressing dreams may precede the development of PD is unknown. This study investigated the association between frequent distressing dreams and the risk of incident PD.Methods3818 men aged 67 years or older from the Osteoporotic …

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The #overfitted brain: #Dreams evolved to assist generalization

Dreaming remains a mystery to neuroscience. While various hypotheses of why brains evolved nightly dreaming have been put forward, many of these are contradicted by the sparse, hallucinatory, and narrative nature of dreams, a nature that seems to lack any particular function. Recently, research on artificial neural networks has shown that during learning, such networks …

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