| Disease with characteristics of the onset in infancy of cerebellar ataxia, neonatal hypotonia (in some), mild developmental delay and in later life intellectual disability. Less common features include dysarthria, dysmetria and dysmorphic facial features (long face, bulbous nose long philtrum, thick lower lip and pointed chin). Caused by heterozygous disruption of the CAMTA1 gene on chromosome 1p36. |