This can include MRI scans, study of behavior and motor skills in infancy and analysis of family history and genetics. In the case of congenital ataxia, patients are born with the condition and thus diagnosis is more difficult, therefore diagnosis of ataxia alone is not sufficient to indicate COACH syndrome, and must be used in conjunction with other symptoms.[15] Oligophrenia, more commonly known as intellectual disability, is diagnosed using personalized testing to measure intelligence and physical examination for anomalies and facial dysmorphia.[16] Hepatic fibrosis has a range of diagnostic techniques, including invasive and non- invasive.