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Unit Activity in the Septal Nuclei During Water Deprivation, Drinking, and Rehydration

  • John G. Bridge
Part of the Advances in Behavioral Biology book series (ABBI, volume 20)

Abstract

Extensive evidence implicates the septal nuclei in consummatory behavior. Lesions in the septal area cause hyperdipsia in rats (3,9,13). Electrical stimulation of the septal area reduces the water intake both of rats with water available ad libitum and of those on 23 hour water deprivation schedules (15). Carbachol stimulation of the septal area increases drinking (7), and atropine blockage of the medial septal nucleus reduces drinking (8). According to Bridge and Hatton (5), septal unit firing in rats anesthetized with urethane is usually faster during and after stimuli which are associated with or which induce dehydration (water deprivation; subcutaneous and carotid injections of hypertonic saline) than during and after stimuli which are associated with or which induce hydration (the 0.5 hour drink period of a 23.5 hour water deprivation schedule; carotid injections of hypotonic saline; stomach loads of tap water).

Keywords

Firing Rate Consummatory Behavior Water Deprivation Septal Lesion Septal Area 
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 Science+Business Media New York 1976

Authors and Affiliations

  • John G. Bridge
    • 1
  1. 1.Vassar CollegeUSA

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