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  • Title: [Changes in serotonin metabolism during food satiation in the mink and its effect on predatory aggression].
    Author: Popova NK, Nikulina EM.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 1986; 36(6):1034-8. PubMed ID: 2436395.
    Abstract:
    Effect of single and protracted alimentary satiation on predatory aggression and content of serotonin and its metabolite 5-hydroxyindoleacetic acid in the amygdalar complex and hypothalamus was studied in mink--a representative of predators. A single alimentary satiation was not accompanied by any marked changes in serotonin metabolism and predatory behaviour. A long-term alimentary satiation significantly heightened the content of the 5-hydroxyindoleacetic acid in the lateral hypothalamus and amygdala without any changes in serotonin level, testifying to a high synthesis of serotonin with its simultaneous intensive destruction. Long-term satiation also greatly increased the latencies of aggression and killing the victim. It is suggested that serotonin is one of endogenous factors controlling predatory behaviour in predators, and this control is realized in interrelation with feeding behaviour.
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