Neurocircuitry of drug reward.

Neurocircuitry of drug reward.
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DOI:
10.1016/j.neuropharm.2013.04.031
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发表时间:
2014-01
期刊:
影响因子:
4.7
通讯作者:
Bonci A
Bonci A
中科院分区:
医学2区
文献类型:
--
作者:
Ikemoto S;Bonci A

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近年来,神经科学家在奖赏和物质使用障碍的神经回路方面取得了深刻的概念和机制进展。在这里,我们将提供一个简短的审查颅内药物自我管理和光遗传学自我刺激的研究,确定大脑区域和神经递质系统参与药物和奖励相关的行为。还讨论了一个理论框架,有助于了解这些行为中涉及的电路的功能特性。该电路似乎是稳态调节和介导的预期过程,调节行为与环境的相互作用,以响应显着的刺激。也就是说,滥用药物或至少某些药物可能会影响基本的动机和情绪过程,调节行为与环境的相互作用。光遗传学和相关技术已经开始揭示连接关键大脑区域的详细电路机制,在这些区域中滥用药物起着奖励作用。
In recent years, neuroscientists have produced profound conceptual and mechanistic advances on the neurocircuitry of reward and substance use disorders. Here, we will provide a brief review of intracranial drug self-administration and optogenetic self-stimulation studies that identified brain regions and neurotransmitter systems involved in drug- and reward-related behaviors. Also discussed is a theoretical framework that helps to understand the functional properties of the circuitry involved in these behaviors. The circuitry appears to be homeostatically regulated and mediate anticipatory processes that regulate behavioral interaction with the environment in response to salient stimuli. That is, abused drugs or, at least, some may act on basic motivation and mood processes, regulating behavior-environment interaction. Optogenetics and related technologies have begun to uncover detailed circuit mechanisms linking key brain regions in which abused drugs act for rewarding effects.
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