左侧前额叶皮质在积极情绪调节中的作用:阅读障碍症的见解
Eleanor R Palser1,2, Nathaniel A Morris1, Christina R Veziris1
1Department of Neurology, University of California San Francisco, San Francisco, CA, USA.
Cognitive, affective & behavioral neuroscience
|August 15, 2025
概括
儿童的积极情绪调节涉及左前额前脑区域. 这些地区灰质体积较小与对外情绪控制效率较低,但自我评估更乐观相关.
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
- 儿童精神病学 儿童精神病学
背景情况:
- 情绪调节是在童年发展起来的,涉及前额叶大脑系统.
- 研究主要研究消极情绪调节,对儿童中积极情绪调节的神经基础的理解有限.
- 左前额区域对于成人积极情绪调节至关重要,但这种联系在儿童中尚未得到证实.
研究的目的:
- 为了研究左前额灰质体积与儿童积极情绪调节之间的关系.
- 在患有和没有阅读障碍的儿童中探索这些关联,这是一种神经发育障碍,具有潜在的前额结构变异性.
- 检查特定的左前额前额区域是否与儿童调节积极情绪的能力有关.
主要方法:
- 69名儿童 (7-13岁) 参与了这项研究,包括有和没有阅读障碍的儿童.
- 参与者观看了引起娱乐或厌恶的电影片段,并被告知要抑制情绪表达.
- 孩子们自我报告了他们的情绪调节成功,父母报告了孩子的日常情绪调节.
主要成果:
- 在左前额叶区域 (侧轨前额叶皮层,背侧前额叶皮层) 中较小的灰质体积与娱乐时更大的外向情绪显示有关 (表明调节较差).
- 尽管外表显示,左前额前额体积较小的孩子在积极情绪调节方面取得了更大的成功.
- 这些前额叶区域与厌恶调节没有显著的关系,对情绪调节的积极自我评估与父母报告的更好的日常调节有关.
结论:
- 儿童时期的积极情绪调节似乎取决于左前额前脑结构.
- 对情绪调节能力的乐观自我认知可能会提供现实世界的好处,无论实际的情绪行为如何.
- 阅读障碍可能为正面情绪调节的神经支柱提供见解,原因是前额结构的变化.
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