thisThis is derived from practically all the answers above. pleasePlease credit them with 99% of any credit this gets.
fromFrom all the various answers and from current knowlegeknowledge of brain anatomy, it seems that the two halves of the brain are not identical, and they fullfillfulfill different functions. directDirect communication between the two halves of the brain seem necessary to the regeneration process., and that is not enough. theThe head must be connected to the body (sew it back together?). canCan we call it regeneration then? itIt seems more like resurrection or reanimation.