A therapeutic method for treating apraxia of speech in children. The child can also be diagnosed with autism, mental retardation, dyslexia. Verbal development stages and nonverbal development stages are tested and observed. If a child demonstrates at least 18 to 24 month development stage of either the verbal development or the non-verbal development, a therapeutic dosage of dopamine agonistic medicine is administered to the child in addition to speech therapy and language training.