LearningRx reviews the effects of TBI in children
A study that looked at two decades’ worth of research into the long-term effects of TBI on children found that those with mild to moderate brain injuries were twice as likely to develop attention problems than their healthy peers. They also found that those with severe TBI are five times more likely to have secondary ADHD.
http://www.medicalnewstoday.com/articles/315785.php