CRF acts in the midbrain to attenuate accumbens dopamine release to rewards but not their predictors.

CRF acts in the midbrain to attenuate accumbens dopamine release to rewards but not their predictors.
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DOI:
10.1038/nn.3335
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发表时间:
2013-04
影响因子:
25
通讯作者:
Phillips, Paul E. M.
Phillips, Paul E. M.
中科院分区:
医学1区
文献类型:
--
作者:
Wanat, Matthew J.;Bonci, Antonello;Phillips, Paul E. M.

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压力源影响多巴胺依赖性行为,如动机,但其潜在的神经生物学机制还没有很好的定义。我们报告,促肾上腺皮质激素释放因子(CRF)的腹侧被盖区(VTA)内的行为,以减少工作的食物奖励的动机。腹侧被盖区中的CRF以刺激特异性和通路特异性的方式调节多巴胺输出,共同提供了一种机制,通过这种机制,急性应激选择性地调节通过腹侧被盖区的信息传输,以重新确定动机行为的优先级。
Stressors impact dopamine-dependent behaviors such as motivation, though the underlying neurobiological mechanism is not well defined. We report that corticotropin-releasing factor (CRF) acts within the ventral tegmental area (VTA) to reduce the motivation to work for food rewards. CRF in the VTA regulates dopamine output in a stimulus- and pathway-specific manner, collectively offering a mechanism by which acute stress selectively regulates information transmission via the VTA to reprioritize motivated behavior.
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