from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Total or partial loss of the ability to perform coordinated movements or manipulate objects in the absence of motor or sensory impairment.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Total or partial loss of the ability to perform coordinated movements or manipulate objects in the absence of motor or sensory impairment; specifically, a disorder of motor planning.

from the GNU version of the Collaborative International Dictionary of English

  • n. inability to make purposeful movements, but without paralysis or loss of sensory function.

from The Century Dictionary and Cyclopedia

  • n. In pathology, loss of the knowledge of the uses of things.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. inability to make purposeful movements


Greek aprāxiā, inaction : a-, without; see a-1 + prāxis, action; see praxis.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Ancient Greek ἀπραξία (apraksia, "inaction"). (Wiktionary)


  • We took him to the doctors, the developmental pediatricians, and they said oh, he has something called apraxia, which is a fancy label for a speech delay.

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  • And apraxia, which is often caused by a stroke, is a serious disorder that disrupts neural programming and often leaves its patients unable to speak at all.

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  • His mind remains sharp but he contends with a disorder called apraxia, which affects his speech.

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  • There is evidence that the pre-frontal cortex has a centre for the conscious initiation of movements, and that lesions produce "apraxia,"

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  • Poor hand-eye coordination, weak visual perception, and '' apraxia '' ( "lack of awareness of certain body parts and/or surrounding space ... that leads to difficulties in self-care") are also possible detriments resulting from damage to the parietal lobe.

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  • Two of my kids suffer from apraxia of speech, and have been teased by other kids for speaking differently.

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  • Meanwhile, Mr. Ranson said he is following the lead of a 68-year-old patient who suffers from apraxia, the inability to perform purposeful motions, like picking up a pen, due to brain damage.

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  • And more recently, in a dramatic example of the importance of mirror neurons in our understanding of others, apraxia patients with cortical damage in mirror neuron areas were shown to have difficulty recognizing whether hand gestures, like sticking out a thumb to hitch a ride, were performed correctly.

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  • Some syndromes are identified in the literature, more or less clinically warranted, such apraxia, autism, and even "semantic dementia"!

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  • The child doesn't have to have apraxia, but they should literally be unable to speak so others can understand them.

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