Man in EEG rig (IMAGE) Cell Press Caption This photo shows Mazurek in a full EEG rig just before a sleep session in the lab. The electrodes on his face will detect the movement of his eyes as he sleeps. Credit C. Mazurek Usage Restrictions Credit required. 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.