If a person X's brain is transplanted into person Y's body, does person Y become person X?

I know that the mind is distinct from the brain but where does the physical end and the spiritual begin?

__________________
~Keon Garraway~ Brooklyn, NY Member of Franklin Square OPC

Love for God demonstrated by the love for our children in giving them a God centered education is the only hope for our country. by David Morrow
Pslam 71:20 [Thou], which hast shewed me great and sore troubles, shalt quicken me again, and shalt bring me up again from the depths of the earth.