EEG Recording (IMAGE) Columbia University Irving Medical Center Caption EEG reading of patient response to verbal commands to keep opening and closing hand (green) and stop opening and closing hand (red). Credit Columbia University Irving Medical Center Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.