Scientists have restored some brain functions in pigs four hours after the animals were decapitated, a breakthrough that could advance neuroscience but which raises ethical questions about the line between life and death.
The experiment at Yale University infused artificial blood into the pig brains, restarting some circulation and electrical activity, according to a study published yesterday in the journal Nature.
“This line of research could lead to a whole new way of studying the postmortem brain,” said Andrea Beckel-Mitchener, team lead at the National Institutes of Health brain initiative in the US, which funded the research.
您已阅读23%（638字），剩余77%（2099字）包含更多重要信息，订阅以继续探索完整内容，并享受更多专属服务。