Abstract:Exposure to predator scent (PS) has been used aa a model of stress associated with danger to life and body integrity. We tested the hypothesis that repeated PS exposure alters the excitability of 5-HT neurons of the dorsal raphe nucleus. To study the mechanisms involved, we approached serum and adrenal corticosterone and aldosterone concentrations, as well as cortical brain-derived neurotrophic factor (BDNF) expression. Adult male Sprague-Dawleys rats were exposed to PS for ten minutes daily for ten consecutiv… Show more
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