spinocerebellar ataxia type 15/16 (MONDO_0011694, a Monarch Disease Ontology term) (SCA15/16) is a rare subtype of type I autosomal dominant cerebellar ataxia (ADCA type I). It is characterized by cerebellar ataxia, tremor and cognitive impairment. Also known as: SCA15/16, SCAR16, spinocerebellar ataxia type 15, spinocerebellar ataxia type 16.