Dysarthria is a joint disorder caused by brain damage or damage to various organs which play a role in speech such as the tongue or palate. It mainly affects adults. Dysarthria appears as difficulties in articulation, a change in the voice or speech rate. Certain disorders may be the cause of dysarthria, such as Parkinson's disease, stroke, facial paralysis, or multiple sclerosis. Speech therapy can improve dysarthria, but the cause of dysarthria must be addressed first, if it is curable.