Neurobiology of aversive states.
Neurobiology of aversive states.
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DOI:
10.1016/j.physbeh.2011.04.045
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发表时间:
2011-07-25
影响因子:
2.9
通讯作者:
Pothos, Emmanuel N.
中科院分区:
文献类型:
--
作者:
Umberg, Erin N.;Pothos, Emmanuel N.
关键词:
Hoebel and colleagues are often known as students of reward and how it is coded in the CNS. This article, however, attempts to focus on the significant advances by Hoebel and others in dissecting out behavioral components of distinct aversive states and in understanding the neurobiology of aversion and the link between aversive states and addictive behaviors. Reward and aversion are not necessarily dichotomous and may reflect an affective continuum contingent upon environmental conditions. Descriptive and mechanistic studies pioneered by Bart Hoebel have demonstrated that the shift in the reward-aversion spectrum may be, in part, a result of changes in central dopamine/ACh ratio, particularly in the NAc. The path to aversion appears to include a specific neurochemical signature: reduced dopamine activity and increased ACh activity in “reward centers” of the brain. Opioid receptors may have a neuromodulatory role on both of these neurotransmitters.
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作者:
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通讯作者:
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Bruijnzeel AW