Brain Surface (IMAGE) University of Utah Caption University of Utah bioengineers measured electrical signals on the brain surface of four adults with epilepsy to understand how the brain processes speech. Their findings show our understanding of language may depend more heavily on vision than previously thought. Credit Department of Neurosurgery, University of Utah 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.