Schematic demonstrates the steps required for eBCI operation (image) American Institute of Physics Share Print E-Mail Caption A schematic demonstrates the steps required for eBCI operation. EEG sensors acquire electrical signals from the brain, which are processed and outputted to control external devices. Credit Portillo-Lara et al. Usage Restrictions Journalists may use this image only with appropriate credit. Share Print E-Mail 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.