The brains of decapitated pigs can be partially revived several hours after the animal has died, researchers have revealed, with some of the functions of cells booted back up when an oxygen-rich fluid is circulated through the organ.
The scientists stress that the brains do not show any signs of consciousness – for example, there was no sign that different parts of the brain were sending signals to each other – and that it does not change the definition of death.
But they say they have found a way to prevent brain cells from sustaining irreparable damage as blood stops circulating, and even to restore some of the cells’ functions.
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