(From the Greek Dys – prefix which means negation, The arthroo (pronounced pronounced sounds) is a speech deficiency caused by insufficient nerve supplies of the speech system. They are classified into several forms based on the location of infection: cortical , cerebellar, subcortical (extrapyramidal), pseudobulbular bulb, and crucifixion. Depending on the severity of the speech disorder, Dysarthritis is classified. as severe, or mild ( or mild.