大脑网络互连力学动力学解释倾听行为中的元认知差异
Mohsen Alavash1,2, Jonas Obleser1,2
1Department of Psychology, University of Lübeck, Lübeck 23562, Germany mohsen.alavash@uni-luebeck.de jonas.obleser@uni-luebeck.de.
概括
适应性倾听在复杂的声音环境中涉及大脑网络的变化. 增加全脑模块化和听觉和注意力网络之间的连接性改变支持在具有挑战性的倾听情况下的感知信心和个体差异.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 听觉感知是一种听觉感知.
背景情况:
- 复杂的听觉场景挑战了专注的倾听,导致更慢,更不确定的感知决策.
- 了解控制倾听行为的皮质网络的神经动态对于解释这些挑战至关重要.
研究的目的:
- 调查这样的假设,即在困难的听觉情况下的适应性感知得到了听觉控制网络模块化重新配置的支持.
- 探索大脑网络动态与个人在感知信心和决策方面的差异之间的关系.
主要方法:
- 功能磁共振成像 (fMRI) 用于在休息状态和空间选择性听觉注意力任务期间研究40名参与者.
- 分析了整个大脑网络的模块化以及听觉,带膜-眼膜和背部注意力网络之间的功能连接.
- 互连性变化与响应速度和信心的个体差异相关.
主要成果:
- 整个大脑网络的模块化性从休息到任务增加,这是由听觉,皮带-眼皮和背部注意力网络的重新配置所驱动的.
- 观察到与任务相关的听觉 - 环眼 - 眼眼网络连接性下降,以及背部注意力 - 环眼 - 眼眼网络连接性增加.
- 这些网络动态预测了响应信心的个体差异,特别是在错误判断之后.
结论:
- 听觉和注意力控制网络之间的功能交叉交谈在具有挑战性的倾听中对元认知评估具有行为相关性.
- 两个功能性可分离的皮层网络系统有助于适应性听力行为和元认知的个体变化.
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