Andres Villu Maricq, University of Utah (IMAGE) University of Utah Caption University of Utah biologist Andres Villu Maricq has found that Wnt genes and proteins, which promote growth and development of embryos, play a surprising role in the adult brain by sending chemical signals involved in learning, remembering, forgetting and perhaps addiction. Credit Michael Schoenfeld, 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.