Yongtaek Oh EEG session (IMAGE) Drexel University Caption Yongtaek Oh, Drexel doctoral candidate and first author of the study, runs an EEG test session. Credit Drexel University Usage Restrictions Please credit if used License Licensed 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.