Brain on a Chip
Scientist have found a way to keep slices of living brain tissue alive for weeks and use them to test drugs for neurological and psychiatric disorders. This sounds like something out of an old science fiction movie, where a decapitated human head was kept alive with wires coming out of it, but the “mini-brain” is much sleeker than that. It consists of a glass chip containing tens of thousands of interconnected living brain cells suspended in a solution of artificial brain fluid. To test a drug’s effect on the tissue, 64 electrodes on the chip’s surface monitor the electrical activity of the brain tissue. Right now, the “brain on a chip? uses brain tissue from mice or rats.
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