Apraxia is an uncommon neurological condition that is believed to be due to damage to some parts of the brain. People who have it find it hard to make certain movements through their muscle function and structure is normal. Dyspraxia is a milder form of apraxia.
In orofacial apraxia, the person cannot move the muscles of the face and the mouth. They cannot wink or even lick their lips.
If apraxia affects the limbs, a person cannot move his legs and arms.
Apraxia of speech can make a person unable to move the mouth and tongue to speak.