By Jon Hamilton

April 26, 2017

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Tiny, 3-D clusters of human brain cells grown in a petri dish are providing

hints about the origins of disorders like autism and epilepsy.


An experiment using these cell clusters - which are only about the size of

the head of a pin - found that a genetic mutation associated with both

autism and epilepsy kept developing cells from migrating normally from one

cluster of brain cells to another, researchers report in the journal Nature.