特征焦虑对方法避免冲突决策的计算机制的影响
Haixin Liu1, Jinxia Wang1,2, Siyuan Zhou1,2
1Institute for Brain and Psychological Sciences, Sichuan Normal University, Chengdu, People's Republic of China.
Cognition & emotion
|June 19, 2025
概括
患有高特征焦虑症的个体表现出较慢的决策在方法避免冲突由于更长的非决策时间. 他们的计算过程显示了变化的漂移率和偏向于避免决策.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 计算精神病学是一种计算精神病学.
背景情况:
- 特征焦虑是一种稳定的个体差异,倾向于经历焦虑.
- 接近-避免 (ap-av) 冲突情况涉及到竞争的动机来接近和避免刺激.
研究的目的:
- 调查不同特征焦虑水平的个体之间的方法避免冲突决策背后的计算机制.
- 确定特征焦虑如何影响冲突解决过程中的认知过程.
主要方法:
- 利用计算建模,特别是等级漂移扩散模型 (HDDM),分析决策数据.
- 评估67名参与者在基线和随访时具有高或低焦虑水平的特征焦虑.
- 管理了一项方法避免冲突任务,以测量反应时间和决策模式.
主要成果:
- 高特征焦虑参与者表现出更慢的反应时间,主要是由于增加了非决策时间.
- 在高特征焦虑组中观察到漂移率参数的显著变化,包括增加漂移率拦截和对奖励和厌恶的高度敏感性.
- 具有高特征焦虑的个体表现出更接近回避的偏见的决策起点.
结论:
- 特征焦虑显著影响了管理决策的计算过程在方法避免冲突.
- 漂移率,非决策时间和决策偏差的明显变化在冲突解决中区分高和低特征焦虑个体.
- 研究结果强调了计算建模在理解焦虑的认知基础上的有用性.
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