执行控制速度-精度权衡的神经机制
Thomas R Reppert1, Richard P Heitz2, Jeffrey D Schall3
1Center for Integrative & Cognitive Neuroscience, Vanderbilt Vision Research Center, Department of Psychology, Vanderbilt University, Nashville, TN 37240, USA; Department of Psychology, The University of the South, Sewanee, TN 37383, USA.
Cell reports
|November 11, 2023
概括
中间额叶皮层 (MFC) 起到关键作用,调节速度精度权衡 (SAT). 补充视野 (SEF) 中的神经元调整发射率和信号错误,支持MFC.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 灵长类神经生理学
背景情况:
- 中间额叶皮层 (MFC) 在速度-精度权衡 (SAT) 中有着争论的作用.
- 以往使用非侵入性方法和有限的神经生理学数据的研究提供了在SAT期间MFC功能的不完全理解.
- 了解SAT的神经机制对于认知控制研究至关重要.
研究的目的:
- 调查在SAT期间MFC中补充视野 (SEF) 的作用.
- 检查SEF神经活动如何与视觉搜索任务期间的准确性和时间调整有关.
- 为了澄清MFC作为调节视觉运动控制的批评者的功能.
主要方法:
- 在的SEF中记录了神经尖活动,它们在执行视觉搜索任务时使用受指示的SAT.
- 同时从前额视野 (FEF) 和上侧眼球 (SC) 记录.
- 分析了不同SAT条件和试验结果中的神经元放电率和峰值相关性.
主要成果:
- 在精度重视期间,大多数SEF神经元从刺激呈现之前到响应生成时显示出较低的放电率.
- 在SAT线索变化时,SEF神经释放率在SEF,FEF和SC之间立即同时调整.
- SEF神经元在增强和早期活动时发出选择错误的信号,而其他神经元则发出时间错误的信号.
结论:
- 通过调整神经活动和信号错误,MFC,特别是SEF,在实施SAT方面发挥着关键作用.
- SEF神经元作为一个批评者,调节由视觉运动结构 (FEF,SC) 代表的"演员".
- 这些发现与之前的研究相协调,并为MFC在认知控制中的功能提供了更清晰的神经生理基础.
关键词:
科普:神经科学是什么意思演员 - 评论家 - 演员 - 评论家认知控制是认知控制.纠正错误的纠正错误的纠正错误监控 错误监控 错误监控 错误监控 错误监控执行控制的执行控制.中间额叶皮层的前皮层.绩效监测 绩效监测 绩效监测 绩效监测 绩效监测 绩效监测 绩效监测奖励预测错误 奖励预测错误补充视野 补充视野 补充视野视觉搜索 视觉搜索 视觉搜索更多相关视频
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