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在同理心成熟期间,阿尔法节奏的双重功能的神经转移.
Niloufar Zebarjadi1, Jonathan Levy1,2
1Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland.
Brain and behavior
|June 19, 2023
概括
共感的发展在18岁左右显然发生了转变,从阿尔法增强转向大脑中的阿尔法抑制. 使用MEG和fMRI观察到的这种神经发育变化标志着同情能力的成熟.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 认知科学 认知科学
背景情况:
- 共感依赖于皮层α节律抑制在成年人中,但年轻人显示反向的α增强模式.
- 20岁左右的独特发育窗口允许研究低α抑制和高α增强的同理心.
研究的目的:
- 调查在同理心发展过程中低α功率抑制和高α功率增强的功能作用.
- 为了确定神经发育过渡在同情大脑反应.
主要方法:
- 多式神经成像技术结合了磁脑成像 (MEG) 和功能磁共振成像 (fMRI).
- 在40名健康个体中记录了神经活动和血液动力学反应,他们感知到代理疼痛.
- 针对20岁左右的受试者,以捕捉关键的发展过渡.
主要成果:
- 在18岁左右的同理心中,MEG揭示了一种全或无阿尔法模式的转变:前面增强,后面抑制.
- MEG和fMRI显示高α增加/BOLD减少 (pre-18) 和低α减少/BOLD增加 (post-18) 之间的对应.
- 这种过渡没有通过自我报告措施或控制神经成像任务来检测到.
结论:
- 共感成熟涉及18岁左右的全部或没有过渡,从α增强/抑制到α抑制/激活.
- 这种转变可能表明同情能力成熟的标志.
- 这项研究提供了关于青春期和成年早期同情心的功能成熟的见解.
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