神经振荡的早期调制在处理情绪身体语言的过程中
Alessandro Botta1, Mingqi Zhao2, Jessica Samogin2
1IRCCS Ospedale Policlinico San Martino, Genoa, Italy.
Psychophysiology
|September 8, 2023
概括
观察恐惧的情感肢体语言 (EBL) 早期激活体感皮质,可能抑制运动皮质活动,导致结. 这项研究揭示了EBL处理过程中的早期感觉运动系统动态.
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
- 心理生理学 心理生理学
背景情况:
- 与威胁相关的情感肢体语言 (EBL) 处理涉及感觉运动区域,可以诱导结.
- 了解EBL观察期间的感觉运动相互作用对于解释结反应至关重要.
研究的目的:
- 在观察情感肢体语言 (EBL) 期间,研究体感和运动皮层区域之间的时间动态.
- 阐明了神经机制,在恐惧EBL的反应中形成结行为.
主要方法:
- 在健康的参与者中使用高密度脑电图 (hd-EEG),观察到恐惧和中性EBL.
- 分析的重点是P100事件相关潜力 (ERP) 和贝塔频段 (13-20 Hz) 事件相关脱同步/同步 (ERD/ERS) 在感觉运动皮层上.
- 使用eLORETA进行源级分析以估计神经活动.
主要成果:
- 在中性EBL的运动/前运动区域观察到更高的P100振幅,而不是恐惧EBL.
- 对于中性EBL,β频段脱同步在初级运动皮质 (M1) 中增加,而在初级体感皮质 (S1) 中则相反.
- 源级分析证实,在不同条件之间,贝塔频段活动与传感运动区域之间存在显著差异.
结论:
- 观察可怕的EBL导致早期的体感皮质激活.
- 这种早期的体感官激活可能会抑制运动皮质 (M1) 活动,导致结.
- 这些发现突出了传感运动系统的动态以及EBL处理期间结的潜在机制.
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