常规物质使用与成本比较在稳定和波动的学习环境中的关系
Sonia G Ruiz1, Samuel Paskewitz2, Arielle Baskin-Sommers2
1Department of Psychology, Yale University, New Haven, CT, USA. sonia.ruiz@yale.edu.
Translational psychiatry
|January 30, 2026
概括
多年使用物质的个人表现出不一致的决策,特别是在避免损失后. 这表明,人们如何使用成本信息,而不仅仅是对它的不敏感性,影响了持续使用物质的负面后果.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 行为经济学是一种行为经济学.
背景情况:
- 药物使用严重程度与成本效益决策受损有关.
- 关于个人如何评估多重成本或环境如何影响成本考虑的研究有限.
研究的目的:
- 调查不同药物使用严重程度的个体如何评估和比较多重成本.
- 检查环境对考虑成本信息在决策中的影响.
主要方法:
- 一个概率学习任务的新的损失框架变体被管理到一个多样化的社区样本 (N=137) 与丰富的物质使用.
- 计算建模用于分析决策参数.
主要成果:
- 经常使用物质多年的人表现出一种倾向,即在避免损失后不再重复选择.
- 这些人表现出类似的选择,无论他们是否承受或避免损失.
- 计算建模揭示了他们使用预期值来指导选择的不一致性.
结论:
- 使用成本信息的不一致性,而不是简单的成本不敏感性,可能更好地解释了尽管存在负面后果,但继续使用物质.
- 这些发现有助于对物质使用严重程度和决策缺陷的细微概念化.
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