MONDO_0011025 (Cayman type cerebellar ataxia) can be described as follows. Cerebellar ataxia, Cayman type is characterized by psychomotor retardation, hypotonia and cerebellar dysfunction (nystagmus, ataxic gait, truncal ataxia, dysarthric speech and intention tremor), associated with cerebellar hypoplasia. Also known as: Cayman ataxia, Cayman cerebellar ataxia, ataxia, cerebellar, Cayman type.