Mini brains grown in the laboratory produce brainwaves. Now what?

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It’s hard to study the human brain. It is the most complex in the animal kingdom with its massive collection of neurons, 80-100 billion to be exact, three times more than chimpanzees. Research relating our brains to the brains of mice and monkeys can only go so far. And because of this complexity, scientists often came up short when studying diseases such as schizophrenia, autism, and Alzheimer’s in the brains of monkeys and mice.

Enter minibrains.

Minibrains are small clusters of human brain cells that can be grown in a Petri dish. Floating through the agar, these small gray lumps don’t look particularly impressive, but they are allowing scientists to study actual living human brain tissue in ways they couldn’t before.

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