Scientists got lab-grown human brain cells to play 'Pong'
“They changed their activity in a way that is very consistent with them actually behaving as a dynamic system,” Kagan said. “For example, the neurons’ ability to change and adapt their activity as a result of experience increases over time, consistent with what we see with the cells’ learning rate.”
Future research into DishBrain will involve looking at how medicines and alcohol affect the culture's ability to playto test whether it can effectively be treated as a stand-in for a human brain. Kagan expressed hope that DishBrain can be used to test treatments for diseases like Alzheimer's. Meanwhile, researchers at Stanford University cultivated stem cells into human brain tissue, which they transplanted into newborn rats. These so-called brain organoids integrated with the rodents' own brains. After a few months, the scientists found that the organoids accounted for around a third of the rats' brain hemispheres and that they were engaging with the rodents' brain circuits.
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