Wordnet 3.0
NOUN (1)
1. 
 a condition (mostly in boys) characterized by behavioral and learning disorders; 
[syn: attention deficit disorder, ADD, attention deficit hyperactivity disorder, ADHD, hyperkinetic syndrome, minimal brain dysfunction, minimal brain damage, MBD]
WordNet (r) 3.0 (2006):
minimal brain damage
    n 1: a condition (mostly in boys) characterized by behavioral
         and learning disorders [syn: attention deficit disorder,
         ADD, attention deficit hyperactivity disorder, ADHD,
         hyperkinetic syndrome, minimal brain dysfunction,
         minimal brain damage, MBD]