耐力运动对前额叶皮层血动力学生理复杂性的影响
Yinglu Hong1, Dapeng Bao2, Brad Manor3
1Beijing Sport University, School of Sport Medicine and Physical Therapy, Beijing, China.
Neurophotonics
|March 22, 2024
概括
功能近红外光谱学 (fNIRS) 的复杂性反映了前额叶皮层 (PFC) 适应耐力运动和气的情况. 更高的fNIRS复杂性与更好的耐力能力和运动期间心率反应的降低有关.
科学领域:
- 神经科学是一个神经科学.
- 生理学 生理学 生理学
- 生物医学工程 生物医学工程
背景情况:
- 前额叶皮层 (PFC) 血液动力学是复杂的,在多个时间尺度上受到神经生理学因素的影响.
- 功能近红外光谱 (fNIRS) 测量PFC血动力学,其信号复杂性反映了潜在的监管过程.
研究的目的:
- 为了研究不同的运动强度和气摄入量如何影响PFC血液动力学复杂性.
- 确定fNIRS复杂性是否可以作为耐力运动期间PFC适应性的生物标志物.
主要方法:
- 24名健康的男性在吸入气或安慰剂后进行了分级自行车运动 (0-100%的体力负荷).
- 前额叶皮层 (PFC) 血液动力学和心率 (HR) 通过使用fNIRS.连续监测.
- 使用多尺度分析量化fNIRS信号复杂度.
主要成果:
- 与基线相比,fNIRS复杂性显著增加,从运动负载的25%增加到100%,特别是在气摄入时.
- 与安慰剂相比,fNIRS复杂性的增加与气相比显著更大.
- 较高的基线fNIRS复杂性与较低的休息HR相关,更大的复杂性增加与运动期间较小的HR增加相关.
结论:
- fNIRS复杂性是PFC对耐力运动的适应能力的标记.
- 摄入的气可能会提高运动期间的PFC适应能力,正如fNIRS复杂度增加所表明的那样.
- fNIRS复杂性为评估影响PFC血液动力学的干预措施提供了一个新的指标.
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