DOPAMINERGIC-NEURONS IN THE ZONA INCERTA MODULATES INGESTIVE BEHAVIOR IN RATS

被引：19
|
作者：
TONELLI, L [1 ]
CHIARAVIGLIO, E [1 ]
机构：
[1] INST INVEST MED M&M FERREYRA,RA-5000 CORDOBA,ARGENTINA
来源：
PHYSIOLOGY & BEHAVIOR | 1995年 / 58卷 / 04期
关键词：
ZONA INCERTA; DRINKING; DEHYDRATION; DOPAMINE; WATER; MICROINJECTIONS;
D O I：
10.1016/0031-9384(95)00128-6
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
The zona incerta, located in the ventral thalamus, is a site of convergence of signals related to drinking. In the present experiments, agonists and antagonists of dopamine receptors were injected into the ZI of animals deprived of water overnight. Injection of 53 nM dopamine or the D-2 dopamine receptor agonist PPHT caused a reduction of water and food intake, while the injection of the D-1 receptor agonist SKF38393 had no effect. The current results suggest that dopamine injected into the ZI exerts inhibitory influences on drinking behavior mediated by D-2 type receptor.
引用
收藏
页码：725 / 729
页数：5
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