Measuring Brain Waves (IMAGE) Albert Einstein College of Medicine Caption An EEG cap is used to measure the brain's response to sensory stimuli. Credit Photo Credit: Courtesy of Albert Einstein College of Medicine 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.