青少年在额叶皮层内心率变化和血液动力学的变化,以应对面对情绪刺激
Sung Ah Chung1, Hyunchan Hwang1, Hee Jin Kim2
1Department of Psychiatry Chung Ang University Hospital, Seoul, Republic of Korea.
PloS one
|July 7, 2025
概括
感知更多负面情绪的青少年显示心率变化 (HRV) 降低,额叶活动增加,表明潜在的自主和情绪调节挑战. 这突出了情绪感知,HRV和大脑功能之间的联系.
科学领域:
- 神经科学是一个神经科学.
- 心理生理学 心理生理学
- 青少年心理学 青少年心理学
背景情况:
- 功能近红外光谱 (fNIRS) 和心率变化 (HRV) 是评估情绪状态的已知生物标志物.
- 这项研究探讨了这样一个假设,即青少年处理不愉快的情绪与情绪和自主调节受损有关,由改变的HRV和额叶活动证明.
研究的目的:
- 检查情感感知,特别是负面情绪,和青少年情感和自主调节的生理标志物之间的关系.
- 在情绪感知任务中调查心率变化 (HRV) 和功能近红外光谱 (fNIRS) 测量之间的关联.
主要方法:
- 55名青少年接受了休息状态和基于任务 (积极和消极情绪感知) 的数据收集.
- 在情绪感知任务中同时记录心率变化 (HRV) 和功能近红外光谱 (fNIRS) 数据.
- 用临床问卷来评估情绪状态和相关因素.
主要成果:
- 感知不愉快情绪的更高率与降低的HRV相关 (较低的高频功率和正常至正常间隔的标准偏差下降).
- 这种感知速率也与左背侧前额皮质 (DLPFC) 增加的氧化血红蛋白具有正相关性,这表明皮质参与度较高.
- 相反,愉快的情感感知与左侧DLPFC活动呈负相关性.
结论:
- 青少年对负面情绪的感知与心率变化 (HRV) 和左侧脊侧前额皮层 (DLPFC) 中神经活动的改变有关.
- 研究结果表明,自主功能,额叶激活和青少年处理不愉快的情绪刺激之间存在联系.
- 抑郁和焦虑水平的个体差异与负面情绪的感知有关.
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