Brain organoid showing individual neurons firing (IMAGE) Harvard University Caption Microscopy image of a brain organoid that shows individual neurons spontaneously firing. Credit Credit: Paola Arlotta laboratory at Harvard University and Edward Boyden laboratory at MIT. Usage Restrictions With credit to the original source. For news media use only. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.