After Months In A Dish, Lab-Grown Minibrains Start Making ‘Brain Waves’

National Public Radio

Jon Hamilton

By the time a fetus is 6 months old, it is producing electrical signals recognizable as brain waves.

And clusters of lab-grown human brain cells known as organoids seem to follow a similar schedule, researchers reported Thursday in the journal Cell Stem Cell.

“After these organoids are in that six-to-nine-months range, that’s when [the electrical patterns] start to look a lot like what you’d see with a preterm infant,” says Alysson Muotri, director of the stem cell program at the University of California, San Diego. . . [Full text]

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