Evaluation of orofacial force-related measures using a novel measuring device: explanation of associations with speech rate in dysarthria.

Expert review of medical devices Pub Date : 2023-07-01 Epub Date: 2023-11-24 DOI:10.1080/17434440.2023.2282178

Omid Mohamadi, Farhad Torabinezhad, Mohammad Ali Sanjari, Nazanin Razazian, Abbas Ebadi

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Abstract

Background: The aim of this study was to examine the potential associations between orofacial force-related measures and speech rate in matched groups of 23 adults with dysarthria, and 69 healthy adults.

Research design and methods: A novel piezoresistive sensor-based device was utilized to obtain the orofacial maximum forces (OMFs) and rate of force development (RFD) measures. The study computed alternating motion rates (AMRs), sequential motion rates (SMRs), and articulation rate (AR) for all participants. The analysis included between-group comparisons and correlation analyses. The study also examined the reliability of the OMFs and RFD measures.

Results: Individuals with dysarthria exhibited significantly slower speech rates (approximately 41.89% to 56.53% slower) compared to the control group. Except for a few exceptions in the jaw, the dysarthria group demonstrated significantly lower OMFs and RFD measures. The correlation analysis revealed that OMFs were weakly to moderately correlated (r = .488-.674) and RFD measures were very weak to moderately correlated (r = .047-.578) with speech rate measures.

Conclusions: The findings suggest that reduced OMFs and RFD measures may contribute to the slowed speech rate observed in adults with dysarthria. The study also highlights that OMFs are significantly more reliable (day-to-day) than RFD measures.

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使用一种新型测量设备评估与口面力相关的测量：解释构音障碍患者的言语频率。

背景：本研究的目的是在23名患有构音障碍的成年人和69名健康成年人的匹配组中，检查口面力相关测量与言语频率之间的潜在关联。研究设计和方法：利用一种新型的基于压阻传感器的装置来获得口腔面最大力（OMF）和力发展率（RFD）测量值。该研究计算了所有参与者的交替运动率（AMRs）、连续运动率（SMRs）和关节运动率（AR）。分析包括组间比较和相关性分析。该研究还检验了OMF和RFD测量的可靠性。结果：与对照组相比，患有构音障碍的个体表现出明显较慢的说话速度（约慢41.89%至56.53%）。除了颌骨的少数例外，构音障碍组表现出明显较低的OMF和RFD测量值。相关分析表明，OMF呈弱至中度相关（r = .488-.674）和RFD测量之间的相关性非常弱到中等（r = .047-.578）的语音速率测量。结论：研究结果表明，OMF和RFD测量的减少可能有助于在成人构音障碍患者中观察到的语速减慢。该研究还强调，OMF（日常）比RFD测量更可靠。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Expert review of medical devices

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