The article presents an abstract of the article "Ras/MAPK Signaling in Neuronal Plasticity and Behavior," by Riccardo Brambilla. The article will be presented during the Seventeenth Biennial Meeting of the International Society for Neurochemistry (ISN) and the Thirteenth General Meeting of the European Society for Neurochemistry (ESN) that will be held in Berlin, Germany during August 8-14, 1999.