呼吸,焦虑和休息状态功能连接在大脑中的整体感知之间的关系
Isabella M Chemis1, Laura Köchli2, Stephanie Marino2
1Department of Psychology, University of Otago, Dunedin, New Zealand. isy.chemis@gmail.com.
Cognitive, affective & behavioral neuroscience
|August 20, 2025
概括
杏仁体和胰岛之间的大脑连接与呼吸意识有关. 这种联系似乎在很大程度上独立于一般人群中的焦虑水平,这表明有不同的神经机制.
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
- 医疗成像医学成像
背景情况:
- 与呼吸相关的整感受障碍与焦虑有关.
- 潜在的脑内感应和由焦虑对其调节的脑连接仍然不清楚.
研究的目的:
- 探索与呼吸相关的感知能力相关的大脑连接特征.
- 为了研究焦虑如何影响这些连接模式.
主要方法:
- 在65名志愿者中利用超高场 (7特斯拉) 休息状态功能磁共振成像 (rs-fMRI).
- 通过专门的任务评估与呼吸相关的感知能力 (灵敏度,决策偏差,元认知偏差,洞察力).
- 用焦虑问卷来评估心理状态.
主要成果:
- 杏仁体 - 岛屿皮层连接与元认知偏差 (对判断的信心) 相关联.
- 左侧桃体-岛屿连接与降低的内感敏感性 (检测启发性阻力) 相关.
- 行为焦虑水平与信心和敏感度下降有很弱的相关性,但连接性差异并不能由焦虑解释.
结论:
- 杏仁核岛连接是与呼吸相关的整体感知不可或缺的组成部分.
- 这些神经连接似乎在很大程度上独立于一般人群中的焦虑水平.
- 表明整体感知和焦虑的独特的神经生物学途径.
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