Association between waking EEG slowing and REM sleep behavior disorder in PD without dementia.

Abstract:

OBJECTIVE:To compare nondemented patients with Parkinson's disease (PD) with and without REM sleep behavior disorder (RBD) to healthy controls on quantitative EEG characteristics for both wakefulness and REM sleep. METHODS:Fifteen patients with PD (7 patients with polysomnographic-confirmed RBD [PD-RBD] and 8 patients without RBD [PD-NRBD]) and 15 healthy control subjects were studied. Each subject underwent a quantitative EEG analysis of both wakefulness and REM sleep. RESULTS:During wakefulness, patients with PD-RBD showed a higher theta power in frontal, parietal, temporal, and occipital regions in comparison to patients with PD-NRBD and control subjects. Moreover, a slowing of the dominant occipital frequency was observed only in patients with PD-RBD (p < 0.02). Patients with PD-NRBD did not present any slowing of the EEG. No between-group difference in quantitative REM sleep EEG was observed. CONCLUSIONS:This study demonstrates that the EEG slowing reported during wakefulness in nondemented patients with PD is strongly related to the presence of RBD.

journal_name

Neurology

journal_title

Neurology

authors

Gagnon JF,Fantini ML,Bédard MA,Petit D,Carrier J,Rompré S,Décary A,Panisset M,Montplaisir J

doi

10.1212/01.wnl.0000106460.34682.e9

subject

Has Abstract

pub_date

2004-02-10 00:00:00

pages

401-6

issue

3

eissn

0028-3878

issn

1526-632X

journal_volume

62

pub_type

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