性别调节了特征方法动机和决策之间的关系
Xiaoyi Li1, Ofir Turel2, Qinghua He3
1Faculty of Psychology, MOE Key Lab of Cognition and Personality, Southwest University, Chongqing , China.
性差异影响了与行为方法系统 (BAS) 相关的风险决策. 高BAS的男性表现更差,尾和前额皮层的神经活动调解了这种效果.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 决策科学 决策科学 决策科学
背景情况:
- 行为方法系统 (BAS) 在不确定性下影响决策.
- 之前关于BAS和决策的研究已经产生了不一致的结果.
- 潜在的性别差异可能会解释这些相互矛盾的发现.
研究的目的:
- 调查在决策过程中性别和BAS之间的相互作用背后的神经基质.
- 探索基于性别的差异在风险下做出决策.
- 确定与BAS和决策中的性别相关的大脑区域和功能连接模式.
主要方法:
- 休息状态功能磁共振成像 (fMRI) 用于一个大样本.
- 进行了低频波动的微分幅度 (fALFF) 和静止状态功能连接 (rsFC) 分析.
- 参与者完成了爱荷华州博任务 (IGT),以评估面临风险的决策.
主要成果:
- 在IGT中观察到性别和BAS之间的相互作用,高BAS的男性表现更差.
- fALFF分析揭示了左上尾环中的性别和BAS相互作用.
- 左上尾回形和左腹侧前额皮层之间的功能连接与男性IGT性能相关.
结论:
- 建议基于性别的决策差异,特别是在风险下.
- 头和前额区域之间的神经连接可能会调解BAS和男性决策之间的关系.
- 这些发现为之前关于BAS和决策的不一致研究提供了潜在的解释.
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