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  • Title: Effect of carbachol injection in the medial preoptic area on sleep-wakefulness and body temperature in free moving rats.
    Author: Talwar A, Kumar VM.
    Journal: Indian J Physiol Pharmacol; 1994 Jul; 38(3):163-8. PubMed ID: 7814075.
    Abstract:
    The aim of the present study was to find out the changes in sleep-wakefulness and body temperature brought about by application of cholinergic agonist, carbachol, in the medial preoptic area (mPOA). Carbachol, when injected bilaterally into the mPOA of male rats, through chronically implanted cannulae, produced a fall in rectal temperature and long lasting arousal. There was temporal dissociation in the duration of changes produced in the two parameters. It is suggested that the cholinergic system at the medial preoptic area brings about arousal response and fall in body temperature through different circuits.
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