Experts say the research could lead to new treatments for brain diseases such as Alzheimer's and Parkinson's disease.
"Frankenstein" scientists in the US have managed to partially revive pig brains four hours after the animals were slaughtered.
While there was no evidence of re-awakening awareness or consciousness, the re-vitalised organs were said to be"cellularly active". Experts say it raises some"fascinating questions" about the potential to discover new treatments for brain diseases such as Alzheimer's and Parkinson's disease. Lead scientist Professor Nenad Sestan, from Yale University, said:"The intact brain of a large mammal retains a previously under-appreciated capacity for restoration of circulation and certain molecular and cellular activities multiple hours after circulatory arrest."Once the supply of oxygen and blood are cut off, the brain's electrical activity and signs of awareness vanish within seconds.
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