BCI 1 (IMAGE) University of Texas at Austin Caption Hussein Alawieh, a graduate student in José del R. Millán's lab, wears a cap packed with electrodes that is hooked up to a computer. The electrodes gather data by measuring electrical signals from the brain, and the decoder interprets that information and translates it into game action. Credit The University of Texas at Austin Usage Restrictions N/A 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.