, Volume 36, Issue 1, pp 3–6 | Cite as

Electrophysiological semeiology of sleep

  • J. M. Gaillard


The main characteristics of electroencephalograms, electro-oculograms and electromyograms in human sleep are described. This electrophysiological semeiology permits the identification of the different stages in normal sleep. In animals, sleep is generally less differentiated; the possibility of recording subcortical structures allows the observation of additional phenomena such as hippocampal theta, activity and PGO spikes. Evoked brain electrical activity is less well known than the spontaneous activity in sleep. Recent technological developments offer many interesting possibilities in the processing of the EEG and other physiological signals.


Technological Development Electrical Activity Spontaneous Activity Physiological Signal Interesting Possibility 


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Copyright information

© Birkhäuser Verlag 1980

Authors and Affiliations

  • J. M. Gaillard
    • 1
  1. 1.Psychiatric Clinic of the University of GenevaChêne-BourgSwitzerland

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