伏隔核 ——控制多巴胺分泌
也就是说,当他们认为自己能挣到钱时,伏隔核会活动起来。
That is to say, when they think they are going to make money, the nuclues accumbens activates.
眼窝前额皮质和伏隔核似乎从参与愉快活动中产生奖励信息。
Those regions, the nucleus accumbens and the orbitofrontal cortex, appear to process the rewarding information that comes from engaging in such pleasurable activities.
冲动主要是在边缘系统、腹侧纹状体和伏隔核中,被活动驱动。
Impulses are primarily driven by activitiesin the limbic region, ventral striatum, and nucleus accumbens.
隔核内注入左旋精氨酸大鼠痛阈显著性降低(P<005)。
Microinjection of L arginine into septal nucleus can decrease TEL(P<0 05).
结果:脑切片染色显示,6-羟多巴胺能够毁损伏隔核中的多巴胺系统。
RESULTS:Staining slices of brain showed that the dopamine systems in NAS could be destroyed by 6-hydroxydopamine.
本文应用HRP和荧光素标记法对大白鼠外侧隔核的传入性神经纤维联系进行了研究。
The afferent connections of lateral septal nucleus was studied in rat with HRP and fluorescence methods.
三角隔核和伞隔核的传出纤维主要经髓纹终于内侧缰核,也有纤维经斜角带止于斜角带核。
The triangular septal nucleus and the septofimbrial nucleus project mainly to the medial habenular nucleus through stria medullaris and also to the diagonal band nucleus through the diagonal band.
结果:各组大鼠基底前脑内侧隔核NOS阳性神经元数目差异无显著性意义(P>0.05);
RESULTS:There was no remarkable difference of NOS positive neurons in the inside septal nuclei of basal forebrain among each group(P >0.05).
结论毁损伏隔核,海洛因依赖大鼠的戒断症状减轻、学习记忆能力下降、探究行为兴奋性降低。
Conclusions After the NAc was been destroyed, the withdrawal signs are alleviated, and the learning and exploring abilities of the heroin-dependent rats are weakened.
而且,切除前额叶皮层能够消除成瘾性药物引起纹状体AA的释放,但却不影响成瘾药物引起伏隔核AA的释放。
Furthermore, frontal decortication eliminates drug-induced ascorbic acid release in the striatum but not in the NAc, suggesting other regions in the brain might be involved in accumbal AA release.
伏隔核中的GABA含量显著下降,GLU/GABA值显著升高,表明吗啡精神依赖时伏隔核处于去抑制状态。
The nucleus accumbens were in disinhibited condition in morphine CPP rats for the content of GABA decreased significantly and the ratio of GLU/GABA increased significantly.
目的:用胞外记录的方法分别观察伏隔核和海马腹侧下托对吗啡的反应性,探讨其在药物心理依赖形成过程中所处的地位。
Objective:Using the outer-cell recording to observe the morphine responses of nucleus accumbens and ventral subiculum, and explore the function of them in the process of drug-dependence.
阿片类药物同其它依赖性药物一样直接或间接作用于中脑边缘多巴胺系统,最终使伏隔核中多巴胺水平发生改变来介导奖赏效应。
The opium drugs affect the mesencephalic limbic DA system directly or indirectly as well as other dependence drugs, and ultimately alter the DA level in the NAc to mediate the awarding effects.
采用HRP、WGA-HRP及荧光双标记法,对68只大鼠隔区的主要亚细胞群隔内侧核、隔外侧核、斜角带核、隔三角核和隔微核之间的纤维联系和分支投射进行研究。
The interconnexions and branching projections between the various components of tne septalnuclear complex in 68 rats were studied with HRP, WGA-HRP and fluorescence double labeling methods.
内侧缰核主要接受隔 核的传入,可能和边缘系统功能有关。
NOS/ER double-labeled neurons mostly distributed in the medial dorsal and lateral dorsal of supraoptic nucleus.
内侧缰核主要接受隔 核的传入,可能和边缘系统功能有关。
NOS/ER double-labeled neurons mostly distributed in the medial dorsal and lateral dorsal of supraoptic nucleus.
应用推荐