Brain creates circuits to bypass areas of damage

http://www.smh.com.au/technology/-2jivi.html     / scientists brain respond damage forming complex new circuits another brain region away injure injury injured site research team Sydney scientists found damage memory forming centre center brain hippocampus circuits front region brain prefrontal cortex rats damage rodent rodent's memories memory extensive training animals relearn tasks results new methods treating brain-damaged brain damage damaged patients novel drug targets enhance recovery findings published ipublish journal Proceedings of the National Academy of Sciences multiple independent circuits perform specific tasks case cases research shows brain recruit completely different pathways in the brain were thought to have other functions learning memory study co-author Bryce Vissel head neuroscience research program Garvan Institute of Medical Research previous studies humans rats showed loss damage hippocampus devastating memory scientists believed recovery would occur close injured region laboratory studies conducted colleagues Michael Fanselow University of California team found rats damage hippocampi needed training could relearn tasks after injury Alzheimer's specialist disease interferes new treatments brain-damaged brain damage damaged  patient patients /