Dr. Miguel Valencia has returned to the Unit to continue an on-going collaboration with Dr. Juan Mena-Segovia on the interaction between the cortex and subcortical structures across brain states and during chronic dopamine depletion. Miguel is a staff scientist at the Centre for Applied Medical Research (http://www.cima.es/areas/neurosciences), from the University of Navarra, Spain, where he works on the interaction of basal ganglia structures during health and disease.