改变的默认模式和前额-双肩网络模式是情绪调节的适应性的基础,在任务切换训练后的灵活性
Wei Gao1, Bharat Biswal2, Xinqi Zhou1
1Institute of Brain and Psychological Science, Sichuan Normal University, Chengdu, Sichuan 610066, China.
Social cognitive and affective neuroscience
|November 22, 2024
概括
任务交换训练通过改变大脑网络连接来增强情绪调节灵活性 (ERF). 这项培训通过增加默认模式网络和前端对联网络之间的网络分离来提高ERF的适应性.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 心理生理学 心理生理学
背景情况:
- 情绪调节灵活性 (ERF) 对于适应复杂环境至关重要.
- ERF的适应性与认知灵活性有关,这种灵活性可以通过任务交换培训来提高.
- 任务交换培训对ERF的影响背后的神经机制在很大程度上仍未被探索.
研究的目的:
- 调查任务交换培训对ERF适应性的影响.
- 识别与改善ERF适应性相关的大脑网络模式的变化.
- 通过认知训练阐明ERF增强的神经基础.
主要方法:
- 两组 (训练组和对照组) 在训练前和训练后接受行为评估和休息状态fMRI扫描.
- 行为数据测量了ERF的适应性.
- fMRI数据分析了大脑网络内部和大脑网络之间的功能连接,特别是默认模式网络 (DMN) 和前端对象网络 (FPN).
主要成果:
- 与对照组相比,培训组表现出较高的ERF适应性得分.
- 网络分析显示,在培训组中,连接边缘数量增加.
- 任务交换训练导致DMN连接性降低,FPN连接性增加,DMN-FPN互连性减少,这与ERF适应性改善相关.
结论:
- 任务交换训练可以提高情绪调节灵活性的适应性.
- 训练引起的大脑网络模式的改变,特别是DMN和FPN之间的分离增加,支持ERF的适应性.
- 这些发现突出了神经网络动态在情绪调节的认知行为干预中的作用.
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