急性压力影响行政社会功能:从前额活化和基于fNIRS的超扫描中得到的证据
Zhihua Guo1, Yue Gong1, Liu Yang2
1Department of Military Medical Psychology, The Fourth Military Medical University, Xi'an, China.
Brain and behavior
|January 16, 2026
概括
急性压力会影响工作记忆的学习,但保留其他执行功能和合作. 压力增加了前额叶皮层的激活和大脑间同步,这表明潜在的补偿机制将执行和社会功能联系起来.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 社会神经科学是一种社会神经科学.
背景情况:
- 急性压力对执行功能和社会行为产生不一致的影响,神经机制不明.
- 调查急性压力,执行功能和双向合作之间的关系对于理解这些复杂的相互作用至关重要.
研究的目的:
- 检查急性压力的行为和神经效应对执行功能和双向合作.
- 探索压力引起的执行功能的变化和合作行为之间的关系.
主要方法:
- 86名健康的男性本科生接受了特里尔社会压力测试 (TSST-G) 或安慰剂对照.
- 参与者完成了执行功能任务 (3-back,Go/Nogo,Stroop,任务交换) 和干预前后的合作任务.
- 功能近红外光谱学 (fNIRS) 测量了前额叶皮层 (PFC) 激活和大脑间同步 (IBS).
主要成果:
- 压力影响了与学习相关的改善,包括3个背后任务的准确性,但并没有显著影响其他执行功能指标.
- 压力组显示PFC激活增加,而对照组显示在认知任务期间激活减少.
- 在压力组中,在合作任务中观察到双边背侧PFC (DLPFC) IBS增加;认知灵活性和合作正相关.
结论:
- 急性压力会破坏工作记忆的学习,但保留了响应抑制,干扰控制,认知灵活性和合作.
- 在压力下增加的神经激活和IBS可能表明补偿机制,将执行和社会功能联系起来.
- 研究结果支持"行政-社会功能合假说",为未来对压力和社会行为的研究提出一个启发式模型.
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