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  • Title: Septal and amygdalar efferents to the hypothalamus which facilitate hypothalamically elicited intraspecific aggression and associated hissing in the cat. An autoradiographic study.
    Author: Stoddard-Apter SL, MacDonnell MF.
    Journal: Brain Res; 1980 Jul 07; 193(1):19-32. PubMed ID: 7189686.
    Abstract:
    Septal and amygdalar sites were identified which facilitated hypothalamically elicited intraspecific agression and associated hissing in cats. Tritiated proline was injected into facilitatory sites through a Hamilton syringe modified to serve as an electrode. Efferents from septal or amygdalar facilitatory sites were traced to the hypothalamus by means of autoradiography. Amygdalar facilitatory sites projected primarily to the core and capsule of the ventromedial nucleus of the hypothalamus (VMH), while septal facilitatory sites projected only lightly to the VMH. Common to all septal facilitatory sites, and not previously reported, was a distinct and considerable projection to the medial hypothalamus, in association with the paraventricular and dorsomedial nuclei. The means by which septal and amygdalar sites may act to facilitate hypothalamically elicited intraspecific aggression are discussed.
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