当注意力减弱时:大脑,呼吸和行为信号显示了整感觉注意力的缺失
bioRxiv : the preprint server for biology
|February 23, 2026
概括
研究人员确定了大脑和身体信号,预测在心身练习期间注意力缺失. 行为时间和大脑连接是关键预测因素,为整感觉意识提供了洞察力.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 认知科学 认知科学
背景情况:
- 冥想和等心身实践通过专注于内部感觉来增强心理健康.
- 间接性失误,注意力偏离身体,是常见的,但不太了解.
- 预测这些失误需要理解生理和神经信号.
研究的目的:
- 调查行为,生理和神经预测器的整感觉注意力缺失.
- 探索互感和外感注意力缺失之间的共同和独特机制.
- 识别潜在的脑体标志物,用于在心体干预期间监测注意力.
主要方法:
- 患有抑郁症状的青少年在fMRI期间执行了呼吸计数任务,同时进行呼吸记录.
- 机器学习模型使用行为,呼吸和神经数据预测了注意力缺失 (通过计数错误定义).
- 分析了整个大脑的功能连接.
主要成果:
- 按响应时间和可变性是失效的最强的行为预测指标 (AUC > 0.75).
- 呼吸变化和合显示了适度的预测值 (AUC < 0.65).
- 大脑连接模型预测缺失 (AUC ≈ 0.65),涉及默认模式,注意力和体运动网络;连接模型略高于仅行为模型.
结论:
- 互感缺陷涉及与外感注意力缺陷共享的机制,以及身体表现和感官系统的独特贡献.
- 这些发现突出了潜在的脑体标志物,用于整感注意力.
- 结果可以在干预期间提供实时监测信息,并了解情绪障碍.
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