Scientists have “somewhat revived” brains of dead pigs following them being killed in a slaughterhouse, although they are “careful to say that none of the brains regained the kind of organized electrical activity associated with consciousness or awareness.”
As reported by NPR, the experiment was described in the journal Nature and it showed that a “surprising amount of cellular function was either preserved or restored” in the brains of the deceased pigs.
Source: IGN.com Zombie A-Pork-Alypse? Scientists Restore Brain Function in Dead Pigs