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[Changes in the stages of nocturnal sleep in man with a lesion of the hypothalamus-brain stem structures].

Authors
  • Andreev, V L
  • Iakhno, N N
Type
Published Article
Journal
Biulleten' eksperimental'noĭ biologii i meditsiny
Publication Date
Aug 01, 1976
Volume
82
Issue
8
Pages
938–940
Identifiers
PMID: 1026292
Source
Medline
License
Unknown

Abstract

Polygraphic study of nocturnal sleep in 18 patients with affection of the hypothalamo-mesencephalic structures showed a reduction of the duration of the II stage and a prolongation of the III and IV stages of slow sleep in comparison with the corresponding indices in the patients with involvement of the ponto-bulbar structures (9) and in healthy persons (8) of control group. Analysis of the qualitative indices of the EEG of slow sleep (a relative amount of the sleep spindles per 1 min of the II stage, delta-index and the delta-wave amplitude at the II and the IV stages) demonstrated a tendency to their increase in the patients with affection of the hypothalamo-mesencephalic structures. Patients of this group showed a decreased frequency of spontaneous changes of sleep from deeper to more superficial stages.

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