Cafeteria behavior in the rat after hypothalamic cholinergic and adrenergic stimulation.

Pharmacology, Biochemistry, and Behavior
R B Montgomery, S Armstrong

Abstract

Norepinephrine, carbachol, or placebo was micro-injected into the perifornical region of the rat hypothalamus, via stereotaxically implanted cannulas. Ingestive behavior was observed in the hour after injection in a cafeteria situation in which water, milk, mash, powdered food, and lab chow were all freely available. After adrenergic stimulation, animals ingested significant amounts of mash only; after cholinergic stimulation, animals ingested significant amounts of water and milk, but water was significantly preferred to milk. These findings are seen as providing further support for the behavioral specificity of direct chemical stimulation of the brain, and as casting serious doubts on the interpretation of milk-ingestion as eating behavior.

References

Oct 1, 1971·Physiology & Behavior·A R Giardina, A E Fisher
Oct 1, 1970·Journal of Comparative and Physiological Psychology·D L Margules
Dec 1, 1971·Physiology & Behavior·K A Houpt, A N Epstein
Feb 28, 1970·Nature·K Oatley
Sep 1, 1970·Physiology & Behavior·B Chisholm, G G Singer
Apr 1, 1969·Journal of Comparative and Physiological Psychology·P TeitelbaumP Rozin

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