年轻成年人的身体满意度,运动依赖和白质微观结构
Hongsheng Xie1,2, Feifei Zhang2,3, Sanshan Gan1,2
1Department of Nuclear Medicine, West China Hospital of Sichuan University, Chengdu, China.
Journal of magnetic resonance imaging : JMRI
|June 14, 2024
概括
身体不满与通过白质微观结构的运动依赖 (EXD) 有关. 特定大脑管道中的微分异型性 (FA) 调解了这种关联,为EXD的神经心理基础提供了洞察力.
科学领域:
- 神经科学是一个神经科学.
- 心理学 心理学 心理学
- 放射学 放射学是指放射学
背景情况:
- 运动依赖 (EXD) 与身体不满有关.
- 关联身体满意度和EXD的潜在神经心理机制尚不清楚.
研究的目的:
- 探索白质微观结构在身体满意度和运动依赖之间关系中的作用.
- 调查涉及这种关联的特定白质区域.
主要方法:
- 一项涉及108名经常运动者的前性研究.
- 使用扩散权重成像 (3.0特斯拉,30个方向) 和基于全脑管道的空间统计 (TBSS).
- 评估身体形状满意度 (BSS) 和运动依赖 (EDS) 使用经过验证的天平;分析了分数异性质 (FA) 和定量异性质 (QA) 值.
主要成果:
- 在皮质脊髓管 (CST),环带和上丘脑辐射 (STR) 中,EDS得分和FA值之间发现了负相关性.
- EDS评分还显示了下额前侧带,STR,CST和带中与QA值的负相关性.
- 分数异质性 (FA) 值,而不是定量异质性 (QA),介导了身体满意度和运动依赖之间的关联.
结论:
- 额叶-下皮层和感觉运动网络中的白质微观结构与运动依赖相关.
- 特定的白质道,特别是通过FA测量的白质道,调解了身体满意度和运动依赖之间的联系.
- 白质微观结构可以作为神经标记,以了解运动依赖的神经心理基础.
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