1. Center for Cognitive Neuroscience, Dartmouth College, Hanover, NH 03755
2. Helen Wills Neuroscience Institute, University of California, Berkeley, CA 94720
3. Princeton Neuroscience Institute, Princeton University, Princeton, NJ 08544
4. Department of Medical and Surgical Sciences, University of Bologna, Bologna 40138, Italy
5. Istituti di Ricovero e Cura a Carattere Scientifico, Istituto delle Scienze Neurologiche di Bologna, Bologna 40139, Italia