If cerebellum is involved in any disease, the patient will show these signs: π΄ Cerebellar signs πDANISH βD... Dysdiadochokinesia ; inability to perform rapid, alternating movements. βA....Ataxia; lack of voluntary coordination of muscle movements that can include gait abnormality, speech changes, and abnormalities in eye movements. βN....Nystagmus; repetitive, uncontrolled movements of the eyes, can occur from side to side, up and down, or in a circular pattern. βI......Intention tremors; a broad, coarse, and low frequency tremor. The amplitude of an intention tremor increases as an extremity approaches the endpoint of deliberate and visually guided movement. βS.....Slurred speech; poor pronunciation of words, mumbling, or a change in speed or rhythm during talking. βH.....Hypotonia; state of low muscle tone (the amount of tension or resistance to stretch in a muscle), often involving reduced muscle strength.