Excitation-inhibition discoordination in rodent models of mental disorders.

Excitation-inhibition discoordination in rodent models of mental disorders.
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DOI:
10.1016/j.biopsych.2015.03.013
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发表时间:
2015-06-15
影响因子:
10.6
通讯作者:
Fenton AA
Fenton AA
中科院分区:
医学1区
文献类型:
--
作者:
Fenton AA

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精神疾病的动物模型为评估精神疾病的机制原因假说提供了基础。从不协调假说的概念框架出发,综述了关于精神障碍啮齿动物模型中神经网络活动的神经生理学研究,该假说认为,神经协调的失败导致了对信息的明智处理和使用的认知缺陷。在药理学和遗传性啮齿动物模型中,兴奋性和抑制性神经放电的异常动态协调支持不协调假说。这些观察表明,兴奋-抑制失调和异常的神经回路动力学是认知障碍的原因,也是促进认知治疗的治疗目标。
Animal models of mental illness provide a foundation for evaluating hypotheses for the mechanistic causes of mental illness. Neurophysiological investigations of neural network activity in rodent models of mental dysfunction are reviewed from the conceptual framework of the discoordination hypothesis, which asserts that failures of neural coordination cause cognitive deficits in the judicious processing and use of information. Abnormal dynamic coordination of excitatory and inhibitory neural discharge in pharmacological and genetic rodent models support the discoordination hypothesis. These observations suggest excitation-inhibition discoordination and aberrant neural circuit dynamics as causes of cognitive impairment as well as therapeutic targets for cognition-promoting treatments.
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