Does Electrodermal Response Represent Severity of Speech Disability in the Maxillectomy Patients

G. Nishigawa, Y. Maruo, M. Oka, K. Oki, K. Hasegawa, S. Minagi
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Abstract

Severe speech difficulty is often caused after surgery for oral cancer. Prosthetic treatment with a removable obturator prosthesis is generally provided for such patients. To evaluate speech ability objectively, a speech intelligibility test has been used. In the previous report, the authors showed that measuring electrical resistance changes of skin caused by electrodermal response (galvanic skin response: GSR) during speech could be a useful method for assessing speech dissatisfaction of patients after oral cancer surgery; however, it is not clear that GSR can reflect the severity of speech disability. In the present study, the score obtained from evaluation methods for speech dissatisfaction using the GSR of maxillectomy patients was compared with speech intelligibility test and visual analogue scale (VAS) scores for speech satisfaction. A low correlation coefficient was observed between VAS improvement score and each of the two other scores (GSR improvement and speech intelligibility improvement scores). High correlation was observed between speech intelligibility improvement and GSR improvement scores. From these results, it is suggested that measuring electrical resistance change of skin during speech could reflect the severity of speech disability after oral cancer surgery.
上颌骨切除术患者的皮肤电反应是否代表语言障碍的严重程度
口腔癌手术后往往会出现严重的言语困难。通常为此类患者提供可移动闭孔假体的假体治疗。为了客观地评价语音能力,使用了语音清晰度测试。在先前的报道中,作者表明,测量言语过程中皮肤电反应(galvanic skin response, GSR)引起的皮肤电阻变化可以作为评估口腔癌术后患者言语不满的有效方法;然而,GSR是否能反映言语障碍的严重程度尚不清楚。本研究将上颌切除术患者的GSR评分与语音清晰度测试和视觉模拟量表(VAS)的语音满意度评分进行比较。VAS改善评分与其他两项评分(GSR改善评分和语音可理解性改善评分)均呈低相关系数。语音可理解性改善与GSR改善评分之间存在高度相关。由此可见,通过测量言语过程中皮肤电阻的变化可以反映口腔癌术后言语障碍的严重程度。
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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