Pratelli and Spitzer (IMAGE) University of California - San Diego Caption Assistant Project Scientist Marta Pratelli and Professor Nick Spitzer study neurotransmitter switching, an evolving area of research investigating how the brain changes function and structure in response to experience. Credit Erik Jepsen, UC San Diego Usage Restrictions Must be used in conjunction with Nature Communications paper on neurotransmitter switching and drug abuse. License Original 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.