Dysarthria is a speech disorder caused by a lack of muscle control that happens when the parts of the brain that control speaking are damaged. It may also be caused by problems that do not involve the ...

Aphasia and dysarthria both occur due to damage in the brain, but while aphasia causes difficulty in expressing and understanding speech, dysarthria causes difficulty controlling muscles necessary for ...

Approximately 46 million Americans – roughly 14% of the population – experience some form of communication disorder, according to "School Programs in Speech-Language Pathology." Speech language ...