[Specific neurons for wakefulness in the posterior hypothalamus in the cat]

C R Acad Sci III. 1984;298(7):195-200.
[Article in French]


Using a single unit recording technique in freely moving Cats, we have demonstrated the presence of two groups of neurons in the ventrolateral part of the caudal hypothalamus. One is characterized by a tonic discharge during waking and paradoxical sleep, the other is highly selective to the waking state. This group of neurons showed a slow tonic and regular discharge during wakefulness, a significant decrease in firing rate during stage I slow-wave sleep and a complete cessation of firing during stage II slow-wave sleep and subsequent paradoxical sleep.

Publication types

  • English Abstract

MeSH terms

  • Animals
  • Cats
  • Electrophysiology
  • Hypothalamus / physiology*
  • Hypothalamus, Posterior / physiology*
  • Neurons / physiology*
  • Sleep / physiology
  • Sleep, REM / physiology
  • Wakefulness / physiology*