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提升你的情绪:运动和杏仁体如何一起跳舞
Li-Kun Ge1,2,3, Shu Zhang1,2, Li-Zhen Chen1,2
1State Key Laboratory of Cognitive Science and Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China.
概括
急性炼通过改变特定桃体子区域的大脑连接来改善情绪. 这些不同的途径,特别是在右半球,与减少负面情绪和增强积极影响有关.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 运动科学 运动科学
背景情况:
- 在杏仁体子区域内存在功能异质性.
- 众所周知,运动可以调节情绪并改变杏仁核的激活.
- 杏仁体子区域在运动诱导的情绪改善中的特定作用尚未完全理解.
研究的目的:
- 研究中枢桃体 (mAmyg) 和侧面桃体 (lAmyg) 亚区域在急性运动后情绪改善中的不同作用.
- 通过静止状态功能磁共振成像 (rs-fMRI) 检查这些情绪变化背后的神经通路.
主要方法:
- 参与者 (n=76,年龄在18-22岁) 被随机分配到运动或对照组.
- rs-fMRI扫描和情绪评估 (PANAS,情绪状态简称) 在30分钟的干预前后进行.
- 混合效应模型分析了从mAmyg和lAmyg.seeded的功能连接 (FC) 上的组×时间相互作用.
主要成果:
- 运动诱导的情绪改善与显著的组 × 时间相互作用对FC的影响相关,主要在右半球.
- 增强与轨道前皮层,顶膜和小脑区域的右侧mAmyg连接性与减少负面影响和提高自尊心有关.
- 与轨道前皮层和条纹体的右侧lAmyg连接的增强与减少紧张/愤怒和增加活力有关.
结论:
- 剧烈的运动通过涉及不同桃体子区域的独特的侧面神经通路改善情绪.
- mAmyg和lAmyg在情绪调节中发挥互补作用,右mAmyg影响情绪价值,右lAmyg调节情绪状态和兴奋.
- 这项研究为运动对情绪的治疗效果提供了一个细微的神经生物学模型.
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