Document Detail

Differences in electroencephalogram power densities between genuine narcolepsy and secondary narcolepsy.
MedLine Citation:
PMID:  11186097     Owner:  NLM     Status:  MEDLINE    
Diagnosing narcolepsy is not always simple. Some patients secondarily show narcoleptic tetrad through irregular sleep patterns or psychotic diseases. The power densities of daytime electroencephalograms in genuine narcolepsy and secondary narcolepsy were analysed and compared. Electroencephalogram power densities for a 6.5-h period after waking in genuine narcoleptic patients were lower than those of secondary narcoleptic patients in the 11.0-12.5 Hz bands. Arousal levels may be lower in genuine narcoleptic patients than in secondary narcoleptic patients. Spectral analysis may be useful in clarifying differences between the two groups.
H Honma; M Kohsaka; N Fukuda; R Kobayashi; S Sakakibara; T Koyama
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Psychiatry and clinical neurosciences     Volume:  54     ISSN:  1323-1316     ISO Abbreviation:  Psychiatry Clin. Neurosci.     Publication Date:  2000 Jun 
Date Detail:
Created Date:  2001-01-17     Completed Date:  2001-03-01     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  9513551     Medline TA:  Psychiatry Clin Neurosci     Country:  Australia    
Other Details:
Languages:  eng     Pagination:  326-7     Citation Subset:  IM    
Department of Psychiatry, Hokkaido University School of Medicine, Sapporo, Japan.
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MeSH Terms
Cerebral Cortex / physiopathology
Diagnosis, Differential
Fourier Analysis
Middle Aged
Narcolepsy / diagnosis*,  etiology,  physiopathology
Psychotic Disorders / complications,  diagnosis*,  physiopathology
Signal Processing, Computer-Assisted
Sleep Deprivation / physiopathology
Sleep Stages / physiology

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