Complex sentence: The cerebellum is involved in motor control via the ventrolateral thalamus and has a modulatory role in coordination of voice and speech production; cerebellar dysfunction and atrophy have been reported in a group of patients with dystonia, suggesting that this disorder may arise from cerebellar disorganization.
Split into simpler sentences: The cerebellum is involved in motor control via the ventrolateral thalamus and has a modulatory role in coordination of voice and speech production. Cerebellar dysfunction and atrophy have been reported in a group of patients with dystonia, suggesting that this disorder may arise from cerebellar disorganization.