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  • Title: Responses of lateral preoptic neurons in the rat to hypertonic sucrose and NaCl.
    Author: Malmo RB, Malmo HP.
    Journal: Electroencephalogr Clin Neurophysiol; 1979 Apr; 46(4):401-8. PubMed ID: 85536.
    Abstract:
    Multiple-unit recordings were taken from the lateral preoptic region during a series of hypertonic and isotonic NaCl and sucrose intracarotid injections. Subjects were 11 hooded rats (8 males and 3 ovariectomized females) under urethane anesthesia. The data showed that under favorable cannulation conditions there were strong multiple-unit responses to hypertonic sucrose injections, and that under these conditions NaCl injections were not significantly more effective than sucrose injections. The possible bearing of these findings on hypotheses concerning central receptors for thirst is discussed.
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