The pigs’ brains registered activity four hours after death
A bizarre Frankenstein-style experiment has breathed life into the brains of pigs four hours after death.
However Professor Sestan and his team noticed that small brain tissue samples routinely showed signs of cellular life returning, even when harvested hours after death. To investigate further, they turned their attention to whole, intact brains from pigs processed for food production.In a ground-breaking experiment, a specially designed ‘chemical blood’ preservative was circulated through the brains of dead animals that had been slaughtered four hours earlier.
Co-author Dr Zvonimir Vrselja, also from Yale, said: ‘At no point did we observe the kind of organised electrical activity associated with perception, awareness, or consciousness.The experiment could lead to new ways of studying the brain after death However it was unclear that the technique would work in a recently deceased human brain. The chemical solution lacked many components found naturally in human blood, such as immune system cells.
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