Advances in Neuronal Destruction

Not that I think that destroying neurons  is a good thing but this blogger points out some research identifying how many neurons can be destroyed for a specific task and still keep the task going. Should be fascinating followups for stroke researchers to determine correlation  and identify  patches of dead brain cells and their resulting deficits.  The end result should be a mapping of dead brain areas to deficits.
http://cellularscale.blogspot.com/2012/07/advances-in-neuronal-destruction.html