cientists at the University of California, San Diego have used stem cells to create miniature brains that developed functional neural networks. These tiny lab-grown brains are the first observed to produce brain waves that resemble those of preterm babies, and could help shed light on the role of network activity in the developing human cortex (Cell Stem Cell 10.1016/j.stem.2019.08.002).
“The level of neural activity we are seeing is unprecedented in vitro,” says lead author Alysson Muotri. “We are one step closer to having a model that can actually generate these early stages of a sophisticated neural network.”
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