严重失用症患者常难以用手势或动作示意，但可通过情绪表达。
People with severe aphasia are usually extremely limited in explaining themselves by pantomime or gesture, except for expressions of emotion.
但多数情况下，失用症并不十分明显，除非要求患者完成或模仿某一动作。
More often, however, apraxia is not very apparent unless one asks the patient to perform or imitate a pretended action.
典型的坐骨神经失用症是由髋关节向后骨折脱位导致创伤性撞击或压迫引起。
Typically, sciatic neuropraxia occurs from traumatic impaction or compression due to posterior hip fracture-dislocation.
失用症可能主要影响口腔、非言语动作，如假装咳嗽或吹熄蜡烛(面部失用)。
Apraxia may also primarily affect oral, non-speech movements, like pretending to cough or blow out a candle (facial apraxia).
失用症患者是可以行动的，可以做简单的动作，但是他们无法协调他们的动作。
Somebody with apraxia can move, do simple movements just fine but they can't coordinate their movements.
发育性语音失用症的预后受问题本身的严重程度、治疗方法和治疗时间的影响。
The prognosis of developmental apraxia of speech depends on severity of the problem, the method and duration of treatment.
所以人们研究脑损伤，这些脑损伤能够引起，诸如失用症这样的运动控制障碍。
And So, people study brain damages - brain damage that implicates motor control such as apraxia.
发育性语音失用症的病因涉及语音的运动计划问题，并与儿童语言发育水平有关。
The etiology of developmental apraxia of speech involves motor planning problems and it is associated with the level of language development of children.
发育性语音失用症的病因涉及语音的运动计划问题，并与儿童语言发育水平有关。
The etiology of developmental apraxia of speech involves motor planning problems and it is associated with the level of language development of children.
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