title: Sleep EEG and DST findings in anergic bipolar depression.
abstract: The authors report sleep EEG and dexamethasone suppression test (DST) findings for a homogeneous sample of anergic bipolar depressed outpatients (bipolar I, N = 7; bipolar II, N = 19) characterized by motor retardation, volitional inhibition, hypersomnia, or weight gain and sleep EEG findings for 26 age- and sex-matched normal control subjects. Sleep architecture was abnormal in bipolar depression, particularly with respect to little stage 1 sleep. The biological profile of an anergic episode of bipolar depression did not include a shorter than normal mean REM latency, poor sleep continuity, or abnormally low amounts of stages 3 and 4 sleep, and only three (13%) of 23 patients manifested cortisol nonsuppression.
authors.affiliation: University of Pittsburgh School of Medicine, Western Psychiatric Institute and Clinic, PA 15213.
authors.forename: M E
authors.initials: ME
authors.lastname: Thase
authors.forename: J M
authors.initials: JM
authors.lastname: Himmelhoch
authors.forename: A G
authors.initials: AG
authors.lastname: Mallinger
authors.forename: D B
authors.initials: DB
authors.lastname: Jarrett
authors.forename: D J
authors.initials: DJ
authors.lastname: Kupfer
mesh_terms: D000328:Adult; D000553:Ambulatory Care; D001714:Bipolar Disorder / Q000175:diagnosis* / Q000503:physiopathology / Q000523:psychology; D003866:Depressive Disorder / Q000175:diagnosis / Q000503:physiopathology / Q000523:psychology; D003907:Dexamethasone; D004569:Electroencephalography; D005260:Female; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D008297:Male; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology; D012895:Sleep, REM / Q000502:physiology
chemical_list: D003907:Dexamethasone; D006854:Hydrocortisone