Laboratory of Computational Neuroscience, EPFL, Lausanne, Switzerland. E.Vasilaki@sheffield.ac.uk|Laboratory of Computational Neuroscience, EPFL, Lausanne, Switzerland. E.Vasilaki@sheffield.ac.uk|Laboratory of Computational Neuroscience, EPFL, Lausanne, Switzerland. E.Vasilaki@sheffield.ac.uk|Laboratory of Computational Neuroscience, EPFL, Lausanne, Switzerland. E.Vasilaki@sheffield.ac.uk|Laboratory of Computational Neuroscience, EPFL, Lausanne, Switzerland. E.Vasilaki@sheffield.ac.uk