Electrical Activity of the Hypothalamus: Effects of Intraventricular Catecholamines

The injection of epinephrine into the third ventricle of the rat brain causes a biphasic elevation and depression in the integrated multiple-unit electrical activity of the median eminence. Activity in the arcuate nucleus decreases after the injection of the catecholamines. These changes in the inte...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1971-01, Vol.171 (3969), p.411-412
Main Authors: Weiner, Richard I., Blake, Charles A., Rubinstein, Lidia, Sawyer, Charles H.
Format: Article
Language:English
Subjects:
Animals
Arcuate nucleus
Catecholamines
Cerebral Ventricles
Depression, Chemical
Dopamine - pharmacology
Electroencephalography
Electrophysiology - drug effects
Enzymes
Epinephrine - pharmacology
Estradiol - pharmacology
Hormones
Hypothalamus
Hypothalamus - drug effects
Hypothalamus - physiology
Isoproterenol - pharmacology
Median eminence
Norepinephrine - pharmacology
Phenotypes
Phosphatases
Pituitary Hormones, Anterior - metabolism
Rats
Secretion
Stereotaxic Techniques
Third ventricle
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Summary:The injection of epinephrine into the third ventricle of the rat brain causes a biphasic elevation and depression in the integrated multiple-unit electrical activity of the median eminence. Activity in the arcuate nucleus decreases after the injection of the catecholamines. These changes in the integrated multiple-unit electrical activity may be related to the secretion of hormones by the anterior pituitary gland.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.171.3969.411