Developmental Verbal Dyspraxia

ASHA Pub Date : 2019-01-01 DOI:10.4135/9781483380810.n191
P. Williams, J. Corrin
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引用次数: 33

Abstract

Children with developmental verbal dyspraxia have difficulty in making and co-ordinating the precise movements required for the production of clear speech, and yet there is no evidence of damage to nerves or muscles. They have difficulty in producing individual speech sounds and in sequencing sounds together in words. As a result their speech is often unintelligible even to family members. The speech disorder is the predominant presentation, but children with developmental verbal dyspraxia may also have oro-motor dyspraxia, affecting their ability to make and co-ordinate the movements of the larynx, lips, tongue and palate and /or generalised dyspraxia affecting gross and fine body movements.
发展性言语运动障碍
患有发展性言语运动障碍的儿童在做出和协调准确的动作以表达清晰的语言方面有困难,但没有证据表明神经或肌肉受到损害。他们在发出单独的语音和在单词中顺序发音方面有困难。结果,他们的讲话常常连家人都听不懂。言语障碍是主要的表现,但发展性言语运动障碍的儿童也可能有言语运动障碍,影响他们进行和协调喉部、嘴唇、舌头和上颚运动的能力和/或影响粗大和精细身体运动的广泛性运动障碍。在英国最受欢迎的术语是发展性言语运动障碍,然而它有时也被称为发音性运动障碍,在美国通常的术语是发展性或儿童言语失用症。言语和语言治疗师通常通过参考特征清单和识别表现特征的症状群来诊断发展性言语运动障碍。除了言语特征外,检查表通常还包括常见的语言、学习、临床和运动特征。在文献中确定的特征包括:语音特征•辅音和元音语音范围有限•过度使用一个声音(最喜欢的发音)•元音扭曲•不一致的产生•单词顺序中断,特别是随着长度的增加•遗漏和替代错误-可能会发生特殊的替换•声门停止插入和替换•影响音量,长度,音高,质量的语音困难•共振困难影响语音的整体音调
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