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  • Title: Electrophysiological responses of hamster suprachiasmatic neurones to neuropeptide Y in the hypothalamic slice preparation.
    Author: Mason R, Harrington ME, Rusak B.
    Journal: Neurosci Lett; 1987 Sep 23; 80(2):173-9. PubMed ID: 3317135.
    Abstract:
    The rate and pattern of neuronal discharge in the hamster suprachiasmatic nucleus (SCN) was studied using an in vitro hypothalamic slice preparation. The firing rate of hamster SCN neurones (n = 183 cells) exhibited a circadian variation similar to that reported in the rat. SCN neurones tested for responses to pressure ejection of neuropeptide Y (NPY) (n = 49) were either tonically excited (65%) or unresponsive (35%). There was a tendency for more NPY-responsive cells to be recorded during the light phase of the circadian light-dark cycle.
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