Abstract
A technique for the study of plasma hormone concentrations during electrical stimulation of selected deep brain areas in conscious monkeys through chronically implanted electrodes is described. The experimental conditions permit repeated study of an individual animal during periods of rest and during a variety of control and experimental procedures, so that an animal can be considered to furnish his own control data. Stimulation of the hypothalamus is associated with an increase in pituitary-adrenal cortical activity, as judged by a marked elevation of plasma 17-OH-CS levels (20–25 µg. %/hr.). A closely similar rate of rise in plasma 17-OH-CS levels (20–25 µg. %/hr.) was observed in the same animals after intravenous injection of ACTH (16 mg./kg.). No significant changes in plasma 17-OH-CS levels were observed under normal conditions or during control stimulation of the putamen or anterior thalamus.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.