在编码中,psilocybin和2C-B扭曲了情节性熟悉性
Manoj K Doss1, Pablo Mallaroni2, Natasha L Mason2
1Department of Psychiatry and Behavioral Sciences, Center for Psychedelic Research & Therapy, The University of Texas at Austin Dell Medical School, Austin, Texas; Department of Psychiatry and Behavioral Sciences, Center for Psychedelic & Consciousness Research, Johns Hopkins University School of Medicine, Baltimore, Maryland.
概括
像psilocybin和2C-B这样的迷幻药物会损害情节性记忆编码,特别是熟悉性,并可能影响元记忆. 这些发现表明,不同类型的迷幻药物之间存在一种共同的神经认知机制.
科学领域:
- 神经科学是一个神经科学.
- 心理药理学 心理药理学
- 认知心理学 认知心理学
背景情况:
- 关于迷幻药物的研究,如psilocybin和2C-B (血清素受体2A激动剂),正在扩大.
- 一个关键的研究领域是,这些化合物是否对记忆形成具有独特的影响.
- 具体来说,迷幻药可能会损害海马体依赖的回忆,同时增强皮质依赖的熟悉性.
研究的目的:
- 调查psilocybin和2C-B对情感情节记忆编码的急性影响.
- 为了确定这些迷幻药是否对回忆和熟悉性产生不同影响.
- 为了检查迷幻药对记忆信心和元记忆的影响.
主要方法:
- 一项双盲,安慰剂控制,参与者内部的研究与20名参与者进行.
- 参与者在急性药物效应 (psilocybin或2C-B) 期间看了负面,中性和积极的图片.
- 照片的记忆在第二天使用单独的测试进行评估.
主要成果:
- 趋势表明,psilocybin和2C-B在编码过程中损害了回忆估计.
- 这两种迷幻药都影响了熟悉度的估计,这可能是由于错误的归因,正如熟悉度增加的基于虚假警报所证明的那样,特别是在情绪刺激方面.
- 对负面和中性记忆的超记忆估计受损,而对积极记忆的估计显示出增强,尽管可靠性较低.
结论:
- 尽管psilocybin和2C-B具有不同的特性,但它们都显著扭曲了情节性熟悉性.
- 这表明一种常见的神经认知机制是不同类型的迷幻药物内存改变的基础.
- 这些共同的机制可能会导致与迷幻药物使用相关的其他观察到的现象.
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