Electroencephalographic sleep studies in depressed patients during long-term recovery

Analytic electroencephalographic (EEG) sleep procedures were used to examine specific changes in rapid eye movement (REM) and slow wave sleep (SWS) as they unfolded during depressive illness and recovery. The subjects were 15 patients with recurrent depression who remained well during 3 years of non...

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Bibliographic Details
Published in:Psychiatry research 1993-11, Vol.49 (2), p.121-138
Main Authors: Kupfer, David J., L.Ehlers, Cindy, Frank, Ellen, Grochocinski, Victoria J., McEachran, Ann B., Buhari, Alhaji
Format: Article
Language:English
Subjects:
Adult
Adult and adolescent clinical studies
Affective disorder
Biological and medical sciences
Depression
Depressive Disorder - physiopathology
Electroencephalography
Female
Humans
interpersonal psychotherapy
Male
Medical sciences
Mood disorders
polysomnography
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
rapid eye movement sleep
Sleep - physiology
Sleep Stages - physiology
Sleep, REM - physiology
slow wave sleep
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Summary:Analytic electroencephalographic (EEG) sleep procedures were used to examine specific changes in rapid eye movement (REM) and slow wave sleep (SWS) as they unfolded during depressive illness and recovery. The subjects were 15 patients with recurrent depression who remained well during 3 years of nonpharmacologic maintenance treatment without a recurrent episode of major depression. The analyses were performed on EEG sleep studies conducted before acute treatment, after 3 months in maintenance treatment, and every 3 months thereafter for 3 full years of maintenance treatment. There was no change between the index sleep and sleep during the first year of maintenance treatment as determined by period analysis or visual inspection of REM sleep parameters, except that average REM counts decreased over time. Thus, it is possible that REM parameters may represent one indicator of long-term recovery from depression. Finally, a significantly higher amount of 12–20 Hz spectral power density was found during the index episode than during the period of remission.
ISSN:0165-1781
1872-7123
DOI:10.1016/0165-1781(93)90100-U