The contextual brain: implications for fear conditioning, extinction and psychopathology.

The contextual brain: implications for fear conditioning, extinction and psychopathology.
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DOI:
10.1038/nrn3492
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发表时间:
2013-06
影响因子:
34.7
通讯作者:
Liberzon, Israel
Liberzon, Israel
中科院分区:
医学1区
文献类型:
--
作者:
Maren, Stephen;Phan, K. Luan;Liberzon, Israel

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背景围绕着事件并赋予其意义;它们对于回忆过去、解释现在和预测未来至关重要。事实上,大脑将信息置于情境中的能力允许巨大的认知和行为灵活性。对啮齿动物和人类的巴甫洛夫恐惧调节和消退的研究表明,包括海马体、杏仁核和内侧前额叶皮层在内的神经回路参与了学习和记忆过程,从而实现了情境依赖性行为。该网络的功能障碍可能与多种形式的精神病理学有关,包括创伤后应激障碍、精神分裂症和药物滥用障碍。
Contexts surround and imbue meaning to events; they are essential for recollecting the past, interpreting the present and anticipating the future. Indeed, the brain’s capacity to contextualize information permits enormous cognitive and behavioural flexibility. Studies of Pavlovian fear conditioning and extinction in rodents and humans suggest that a neural circuit including the hippocampus, amygdala and medial prefrontal cortex is involved in the learning and memory processes that enable context-dependent behaviour. Dysfunction in this network may be involved in several forms of psychopathology, including post-traumatic stress disorder, schizophrenia and substance abuse disorders.
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发表时间: 1995-08-25
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