well, I don't really think this is the case, not for metaphysical reason or such, but because glands and the chemicals they produce have a high impact on how th

well, I don't really think this is the case, not for metaphysical reason or such, but because glands and the chemicals they produce have a high impact on how the brain functions http://www.jabfm.org/content/23/5/677.full http://www.jabfm.org/content/23/5/677.full I'd argue that the completely different chemical balance the brain will be subject to will cause dramatic behavioral swings, even if the patient memory and skills might be maintained (well, not the motor skill, I guess)