Two subtypes of ataxia with oculomotor apraxia have been described. Ataxia with oculomotor apraxia 1 is caused by a mutation in the APTX gene at locus 9p13.3. The APTX gene encodes for the APTX ...

At age 10 years, he was admitted to our neurogenetic clinic. On clinical examination, a wide-based ataxic gait with mild intention tremor, dysarthria, and oculomotor apraxia were noted.