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Diurnal variability in cranial dystonia
Author(s) -
Montagna Pasquale,
Procaccianti Gaetano,
Lugaresi Alessandra,
Zucconi Marco,
Lugaresi Elio
Publication year - 1990
Publication title -
movement disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.352
H-Index - 198
eISSN - 1531-8257
pISSN - 0885-3185
DOI - 10.1002/mds.870050111
Subject(s) - dystonia , medicine , physical medicine and rehabilitation , neurological disorder , central nervous system disease , surgery , psychiatry
Eleven patients with cranial dystonia were investigated for diurnal variations in disability by means of video recordings. Disability increased significantly from morning to evening. The increase was not related to changes in vigilance levels assessed by dynamic electroencephalogram. Cranial movement disorders display diurnal fluctuations that are probably related to endogenous circadian rhythms.