Test person during an EEG study (IMAGE) Friedrich-Schiller-Universitaet Jena Caption Test person Lucas Riedel during an EEG study with cochlear implants at the University of Jena. Credit (Image: Jens Meyer/University of Jena) Usage Restrictions The image can be used free of charge in connection with this press release. 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.