JOHN G. NICHOLLSnbsp;Professor of Neuroscience at the International School for Advanced Studies in Trieste (known as SISSA), Italy. A. ROBERT MARTINnbsp;Professor Emeritus in the Department of Physiology at the University of Colorado School of Medicine, USA. PAUL A. FUCHSnbsp;Director of Research and the John E. Bordley Professor of Otolaryngology-Head and Neck Surgery, Professor of Biomedical Engineering, Professor of Neuroscience and co-Director of the Center for Sensory Biology at the Johns Hopkins University School of Medicine, USA. DAVID A. BROWNnbsp;Professor of Pharmacology in the Department of Neuroscience, Physiology, and Pharmacology at University College London, UK. MATHEW E. DIAMONDnbsp;Professor of Cognitive Neuroscience at the International School for Advanced Studies in Trieste (SISSA), Italy. DAVID A. WEISBLATnbsp;Professor of Cell and Developmental Biology in the Department of Molecular and Cell Biology at the University of California, Berkeley, USA.