Definition of "brain disorder" [brain disorder]

• Any disorder or disease of the brain (noun)

WordNet. Princeton University. 2010.

• "According to Dr. Faedda, once one family member is diagnosed, two or three more within the family can end up with the diagnosis as well—not because it’s contagious but because this brain disorder is congenital, and probably it’s hanging elsewhere on the family tree."
• "Nonetheless, a small but vocal group of parents have taken to claiming that thimerosal causes autism, a brain disorder that impairs normal social interaction."