EEG Cap and Eye Electrodes (IMAGE) Iowa State University Caption Data collected through EEG and with eye electrodes allowed researchers to measure brain activity and startle response. Credit Christopher Gannon, Iowa State University Usage Restrictions None 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.