| Phenotype details |
inability to walk on toes, on heels, or in tandem; moderate limb dysmetria; adiadochokinesia; mild upward ophthalmospasms; oculomotor apraxia; slurred speech; facial grimaces; inappropriate laughing; moderate cognitive difficulty in several domains. Brain magnetic resonance imaging showed cerebellar atrophy, particularly of vermis and inferior lobe, and asymmetry in the occipital bones. |