Abstract:A group of 27 patients with definite (n = 20) or probable (n = 7) RDC major depressive disorder underwent 2 sleep EEGs and 1 TRH test while in a drug-free depressive phase. A short mean REM latency (< 60 min) identified 55.5% of major depressives while added use of blunted TSH responses (delta max. < 5 µU/ml) increased that percentage by 11 %. When patients were subdivided into RDC endogenous and nonendogenous, mean REM latency and global depression scores distinguished the 2 groups, while delta TSH did not. A… Show more
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