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Sleep researches of borderline patients compared with groups of patients with depression, schizophrenia and psychosomatic disease
Abstract
Presents findings of an empirical study in which polysomnographic data of patients with the diagnosis of borderline, depression, schizophrenia, and psychosomatic disorders were compared. The comparison of the samples of eight patients with depression or schizophrenia and nine patients with borderline or psychosomatic illness showed that the borderline group differed from the other groups in that they had a greater proportion of rapid eye movement (REM) sleep, a greater number of changes in sleep phases, and a lower REM latency. Statistically, the borderline patients did not differ from the other groups within the context of a general comparison with a control group in that there was a decrease in delta sleep in stage-4 sleep and an increase in stage-1 sleep.
The utility of "incomplete" genetic animal models of human diseases, in particular, psychoses, is discussed. The GC rat strain selected for predisposition to cataleptic reactions is described. It is shown that in many of their characteristics, GC rats are similar to schizophrenic and depressive patients. A possibility that akinetic catatonic states and depressions, hyperkinetic catatonic states and mania share common mechanisms is discussed. It is hypothesized that the GC strain may be an incomplete model of the common genetic and pathogenetic core of schizophrenic substuporous states and depression, which suggests the importance of returning to the issue of a unitary psychosis (Einheitpsychosis).
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