Brain organoid with EEG cap (IMAGE) Johns Hopkins University Caption A brain organoid shown in green, encapsulated in a blue shell electrodes device. Credit Qi Huang, Gayatri Pahapale, Gracias lab, Johns Hopkins University Usage Restrictions None 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.