大脑中的情绪是动态的,并且依赖于情境:使用音乐来测量情感转变
Matthew E Sachs1, Mariusz S Kozak2, Kevin N Ochsner3
1Center for Science and Society, Columbia University, New York, New York 10027 ms5924@columbia.edu.
eNeuro
|June 30, 2025
概括
神经活动模式跟踪情绪转变,当前情绪相似时,过渡会更快地发生. 这凸显了叶在细分经验和处理依赖于背景的对听觉刺激的情绪反应方面的作用.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 音乐认知 音乐认知
背景情况:
- 大脑在情绪之间过渡的能力对于环境适应至关重要.
- 之前的研究已经确定了用于情感反应的大脑区域,但没有用于跟踪情感过渡或上下文调制.
研究的目的:
- 为了研究神经活动模式如何跟踪和代表音乐唤起的情绪状态之间的过渡.
- 通过最近的情绪背景来检查这些神经反应的调制.
主要方法:
- 在功能磁共振成像 (fMRI) 期间,委托音乐作品诱导参与者的系统情绪转变 (N=39).
- 操纵音乐动机之前的情感上下文.
- 采用隐藏的马尔科夫建模和基于假设的分析来检查时空大脑激活模式.
主要成果:
- 经证实,沿着时轴的时空激活模式反映了音乐引起的情绪之间的过渡.
- 神经反应特征和自我报告的情绪评级对情绪上下文敏感.
- 与情绪变化相关的大脑状态过渡发生在之前的情绪状态具有类似的价值时.
结论:
- 情绪的变化作为一个关键的信号,使得 temporoparietal 叶区分连续的经验.
- 澄清了状叶在将听觉信号与动态,上下文依赖的情绪反应联系起来的作用.
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