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Role of the septal area in feeding behavior elicited by electrical stimulation of the lateral hipothalamus of the rat
Braz. j. med. biol. res ; 23(1): 49-58, 1990. ilus
Article in English | LILACS | ID: lil-83170
ABSTRACT
The present study was undertaken to investigate the influence of the septal area on neural mechanisms involved in feeding behavior elicited by electrical stimulation of the lateral hypothalamic area of the rat. Electrolytic damage to medial and lateral septal nuclei induced a significant increase (18.29 + or - 1.69 to 25.05 + or - 2.31 g, P<0.05, N = 14) in food intake elicited by hypothalamic stimulation. The threshold current for stimulus-induced eating decreased by 20% after septal lesion. A significant decrease in food ingestion was observed after electrical stimulation of the septal nuclei, either preceding (27.47 + or - 1.57 to 19.30 + or - 2.06 g P <0.05, N = 13) or simultaneous (26.20 + or - 1.60 to 12.10 + or - 2.40 g, P<0.05, N = 11) with hypothalamic stimulation. The results indicate an inhibitory effect of the septum on the lateral hypothalamic area and also suggest that the functional state of the lateral hypothalamus, which is responsible for the feeding behavior, depends on the activity pattern of the septal area
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Index: LILACS (Americas) Main subject: Septal Nuclei / Feeding Behavior / Hypothalamus Limits: Animals Language: English Journal: Braz. j. med. biol. res Journal subject: Biology / Medicine Year: 1990 Type: Article

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Index: LILACS (Americas) Main subject: Septal Nuclei / Feeding Behavior / Hypothalamus Limits: Animals Language: English Journal: Braz. j. med. biol. res Journal subject: Biology / Medicine Year: 1990 Type: Article