在慢性阿片类药物使用者中增加了避免学习
Caspar J Geissler1, Tsen Vei Lim2, Herbert A Görne3
1Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
JAMA psychiatry
|November 6, 2025
概括
阿片类药物成与从负面结果中增加避免学习有关,这是以前在人类中没有观察到的发现. 这表明,即使在早期的阿片类药物使用中,负面强化也起着作用,为治疗提供了新的可能性.
科学领域:
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
- 行为科学 行为科学
背景情况:
- 阿片类药物危机带来了重大的公共卫生挑战,包括治疗不良坚持和学率.
- 增加避免倾向可能是阿片类药物成的基础,但这在人类中尚未经验证明.
研究的目的:
- 调查阿片类药物成是否以增加避免学习为特征.
- 为了确定是否增加避免学习也存在于慢性非成阿片类药物使用的个体.
主要方法:
- 德国的一项病例控制研究,涉及有或没有阿片类药物成的个人,使用概率增强学习任务.
- 计算建模评估了从财务损失和避免中获得的学习,以及强迫性和避免的自我报告措施.
- 参与者从门诊诊所招募,数据分析时间为2025年1月至2025年2月.
主要成果:
- 无论是阿片类药物成者还是长期不成的阿片类药物使用者,都表现出从负面强化中增加的学习和减少的选择一致性.
- 避开学习变异预测了日常生活避开行为和强迫性阿片类药物使用严重程度.
- 两组之间在从货币损失中学习或响应重复倾向方面没有发现显著差异.
结论:
- 这项研究提供了第一个支持临床前研究结果的人类证据,这些证据支持了负面增强在阿片类药物成中的作用.
- 即使在阿片类药物使用的早期阶段,消极强化似乎也很重要.
- 研究结果表明,阿片类药物成预防和治疗策略的新途径.
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