Somebody with apraxia can move, do simple movements just fine but they can't coordinate their movements.

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

耶鲁公开课 - 心理学导论课程节选

And So, people study brain damages— brain damage that implicates motor control such as apraxia.

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

耶鲁公开课 - 心理学导论课程节选