Cortical and subcortical morphometric changes and their relation to cognitive impairment in isolated REM sleep behavior disorder.

There was a statistical trend for reduced volumes of several ROIs in the RBD groups; compared to HC, RBD-NC patients had lower volumes of the right cerebellum while RBD-MCI patients had lower volumes in the cuneus, cerebellum, lingual gyrus, putamen, nucleus accumbens and parts of parietal and temporal lobes ( p < 0.05 uncorrected; Supplemental Table 2 ).

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