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药物成瘾的强迫觅药模型 被引量:2

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摘要 药物成瘾患者缺乏对觅药冲动的自我控制能力,并伴有以认知功能损伤为主要特征的认知功能障碍;表现为不顾严重负性后果的强迫性觅药和用药行为(compulsive drug-seeking and drug-taking behavior)。这些强迫症状往往出现在长期使用成瘾药物的患者中,即使在身体戒断症状消退后依然持久地存在,且与成瘾药物的复吸密切相关。因此,理想的药物成瘾模型不仅应造成动物的自主觅药行为及复吸,而且可再现长期使用成瘾药物后出现的强迫觅药冲动及认知功能损伤等核心症状。本文回顾近年有关药物成瘾强迫觅药模型建立及相关神经机制的研究进展;这些研究提示不可抑制的觅药冲动、以及对惩罚的认知缺陷能够较好体现强迫性觅药伴随的认知功能的损伤,并且与大脑前额叶皮质功能紊乱关联密切。强迫觅药行为神经生物学机制的阐明将为理解人类成瘾行为的生物学本质、开发有效治疗成瘾的新药提供策略依据。
出处 《中国药物依赖性杂志》 CAS CSCD 2018年第1期13-17,共5页 Chinese Journal of Drug Dependence
基金 国家重点研发计划课题(2017YFC0803605)资助
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