探索频繁使用大麻,在不确定性下更新信念和精神病类症状之间的关系
Xinyi Liang1, Maria-Mihaela Avram1, Toni Gibbs-Dean2
1Department of Psychosis Studies, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, United Kingdom.
Frontiers in psychiatry
|August 8, 2024
概括
大麻使用没有影响不确定性下的信念更新. 然而,经常使用大麻的人表现不佳,这表明大麻大量使用与精神病风险之间存在潜在联系.
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.
- 心理学 心理学 心理学
背景情况:
- 大麻使用与精神病风险增加有关.
- 在不确定性下改变信念更新与精神病有关.
- 研究大麻使用者的信念更新可能会揭示精神病的机制.
研究的目的:
- 为了比较大麻使用者和非使用者之间的不确定性下的信念更新.
- 探索大麻使用频率和信念更新之间的关系.
主要方法:
- 49名大麻使用者和52名对照者完成了在线"太空游戏"任务.
- 参与者在不同的不确定性条件下预测了刺激位置.
- 混合效应模型分析了表现,信心和学习率.
主要成果:
- 两组人都将信心和信念更新调整为不确定性水平.
- 大麻使用者和对照者之间整体表现没有显著差异.
- 经常使用大麻的用户表现比不经常使用大麻的用户更差.
结论:
- 大麻使用状态不会影响不确定性下的信念更新.
- 经常使用大麻可能会损害信仰更新,反映精神病预测因素.
- 研究结果表明,大麻大量消费与精神病风险之间存在潜在联系.
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