由大脑中的声音处理揭示的次脑震荡
Nina Kraus1,2,3, Danielle Colegrove4, Rembrandt Otto-Meyer1
1Department of Communication Science and Disorders, Northwestern University, Evanston, IL, USA.
Exercise, sport & movement
|December 22, 2023
概括
通过频率跟踪响应 (FFR) 测量的客观听觉处理,可以检测运动员中脑震荡下头部创伤. 这种客观标记揭示了大脑的感官处理变化,即使没有正式的脑震荡诊断.
科学领域:
- 神经科学是一个神经科学.
- 听觉神经科学 听觉神经科学
- 运动医学 运动医学
背景情况:
- 脑震荡是接触体育运动中的一个重要问题,但人们对脑震荡下冲击的影响知之甚少.
- 需要客观的措施来确定不符合临床脑震荡标准的头部创伤.
研究的目的:
- 测试听力处理的客观测量,频率跟踪响应 (FFR) 是否可以揭示不符合脑震荡定义的头部创伤史.
- 调查接触和非接触大学运动员之间的FFR差异.
主要方法:
- 在19项体育运动中评估了709名NCAA第一师学生运动员,他们使用FFR对语音刺激.
- 根据运动类别将运动员分为"接触"和"非接触"组.
- 批判性地检查了基本频段 (F0) 中的FFR活动幅度.
主要成果:
- 与非接触运动员相比,接触运动员的FFR-F0振幅较低.
- 观察到女性比男性的FFR-F0幅度更高.
- 确定了显著的相互作用效应,接触运动的男性显示最小的FFR-F0.0.
结论:
- 听觉感官处理中的干扰在运动员中可以检测到经常身体接触,即使没有脑震荡.
- FFR代表了运动员中脑震荡下头部创伤的客观生物标志物.
- 这些发现突出了FFR监测累积头部冲击效应的潜力.
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