Study on treatment of speech disorders in glossectomized patients

本研究的目的是通过对舌腭接触模式的描述，阐明舌切除术后患者所产生的失真声音的特征，并探讨舌腭接触模式与感知评价的关系。对21例不同手术方式和手术范围的舌切除患者进行腭侧测量和语音分析。选择塞音/t/和摩擦音/s/作为测试音，用EPG获得的舌腭接触模式与正常日语成人的EPG模式进行分类。大多数舌切除患者的语音模式与正常语音模式不同，每例患者的语音样本由2名有舌切除患者语音经验的语音病理学家根据评估标准进行判断。除/sa/音外，舌切除患者的发音均被判定为失真音，并分析EPG模式与感知觉评价的关系。结果表明，舌腭接触模式偏离正常模式，在舌切除患者中产生更多的失真声音。

The purpose of this study is to clarify the features of distorted sounds produced by glossectomized patients by describing linguapalatal contact patterns and investigaintg the relations between linguapalatal contact patterns and the perceptual evaluation. Palatometric data and speech sample were collected from 21 glossectomized patients after various surgical methods and various surgical extent. The stop /t/ and fricative /s/ were sellected as test sounds.Linguapalatal contact patterns obtained by EPG were categorized using common EPG patterns produced by Japanese-speaking normal adults. Almost glossectomized patients showed abnormal patterns which were different from normal patterns.Speech sample obtained from each patient was judged according to criteria of evaluation by 2 speech pathologists who had experience with the speech of glossectomized patients. Except one sound in /sa/, sounds produced by glossectomized patients were judged as distorted sounds.Relations between EPG patterns and perceptual evaluation were examined. As a result, it was clarified that linguapalatal contact patterns deviated from normal patterns produced more distroted sounds in in glossectomized patients.