在健康的年轻成年人中,口腔厚度感知与液体吞期间的食物动态之间的关系
Masahiro Kuroda1, Yoshihiko Ito1, Yuki Ito1
1Division of Aging and Geriatric Dentistry, Department of Oral Rehabilitation Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan.
Journal of oral rehabilitation
|June 23, 2025
概括
对于高厚度敏感度的个体表现出更稳定的吞模式. 这表明,准确感知液体粘度可以进行适应性调整,提高吞安全性和控制.
科学领域:
- 生理学 生理学 生理学
- 生物力学 生物力学
- 感官神经科学是一种神经科学.
背景情况:
- 吞反射集成了口腔运动和感官功能,通过神经输入适应食物的特性.
- 在老年人中,使用加厚剂修改液体粘度是常见的,以提高吞安全性.
- 由于液体粘度的变化,吞调整的适应性仍然不清楚.
研究的目的:
- 为了检查口腔厚度感知和健康年轻成年人的液体吞期间的食物动态之间的相关性.
- 为了确定不同厚度敏感度的个体是否表现出不同的吞行为.
主要方法:
- 根据用加厚水进行感官测试,参与者被分为高厚度和低厚度敏感性组.
- 超声波成像 (脉冲多普勒模式) 在摄入水和加厚液体时测量了流速光谱.
- 分析的关键参数包括喉过渡时间 (PTT) 和流速光谱面积.
主要成果:
- 高灵敏度组在吞2.0%重量%加厚水时,与低灵敏度组相比,PTT的标准偏差明显较低 (p < 0.05).
结论:
- 准确感知食物的特性,特别是厚度,使个人能够进行适当的吞调整.
- 高厚度敏感性与一致和稳定的吞性能有关.
- 这些发现强调了感官反在吞过程中的自适应运动控制中的作用.
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