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Conditional Reflex

, Volume 2, Issue 2, pp 113–117 | Cite as

Gallbladder distention and the effects of several drugs on heart rate, respiratory movements and cortical potentials in cats with hypothalamic lesions

  • W. Rüdiger
  • M. Lindemann
Article

Abstract

The effects of chronic hypothalamic lesions and various drugs on the viscero-visceral reflexes of cats have been investigated, utilizing measurement of the bioelectrical activity of the cerebral cortex. After coagulation of the posterolateral hypothalamus the heart rate decreased by 40–60 beats per minute, but eventually it regained its initial value. The viscero-visceral reflexes from the gallbladder to the heart were preserved after the operative procedure. Chlorpromazine and atropine blocked both arousal and the cardiorespiratory response to stimulation of the gallbladder. Similar effects were produced by novocaine and pantocaine.

Keywords

Cerebral Cortex Chlorpromazine Mechanical Stimulation Respiratory Movement Cortical Potential 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer 1967

Authors and Affiliations

  • W. Rüdiger
    • 1
  • M. Lindemann
    • 1
  1. 1.Humboldt UniversityBerlin

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