NCIt definition : A rare neurologic disorder occurring in infants with jaundice. It results from brain
damage by existing high levels of unconjugated-indirect bilirubin.;
Alternative definition : NICHD: A condition characterized by sensorineural hearing impairment, choreoathetoid
movements, paralysis of upward gaze and hypoplasia of dental enamel due bilirubin
deposition in the grey matter of the central nervous system as a consequence of increased
levels of unconjugated bilirubin in the serum.;