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Neurology. 2004 Jan 13;62(1):41-5.

Neuropsychological assessment in idiopathic REM sleep behavior disorder (RBD): does the idiopathic form of RBD really exist?

Author information

  • 1Sleep Disorders Center, Universit√† Vita-Salute San Raffaele, Milano, Italy. ferinistrambi.luigi@hsr.it

Abstract

OBJECTIVE:

To evaluate the cognitive performance of patients with idiopathic REM sleep behavior disorder (RBD).

METHODS:

The authors studied 17 consecutive patients with idiopathic RBD vs 17 age- and education-matched control subjects. Tests given to each patient and control included Mini-Mental State Examination, verbal and spatial short-term memory, visual selective attention, verbal fluency, prose memory, visuoconstructional abilities, spatial learning, and executive function tests. A self-administered depression rating scale was also used.

RESULTS:

RBD patients had significantly lower scores than control subjects in two tests: copy of Rey-Osterrieth Figure and Corsi Supraspan Learning. No correlation was found between the results of neuropsychological tests and RBD duration or with polysomnographic findings.

CONCLUSIONS:

Visuospatial constructional dysfunction and altered visuospatial learning may be present in idiopathic RBD. A neuropsychological assessment may be indicated in RBD patients.

PMID:
14718695
[PubMed - indexed for MEDLINE]
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