How is higher order zombie cortical function maintained if their heart isn't pumping blood to their brain, are their brains exploiting some other form of metabolic activity other than through the use of oxygen? The brain is still clearly their weak spot, so it is controlling some autonomic life functions
Could one head control a zombie through their eye sockets or would a zombie simply laugh at such a human like tactic? Can a zombie laugh, if so what comedy program do they enjoy