Center for Integrative Neuroplasticity, University of Oslo, Oslo, Norway.|Simula Research Laboratory, Fornebu, Norway.|Simula Research Laboratory, Fornebu, Norway.|Center for Integrative Neuroplasticity, University of Oslo, Oslo, Norway.|Center for Integrative Neuroplasticity, University of Oslo, Oslo, Norway.|Department of Mathematical Sciences and Technology, Norwegian University of Life Sciences, Ås, Norway.