Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy (LOCEN-ISTC-CNR), Roma, Italy.|Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy (LOCEN-ISTC-CNR), Roma, Italy.|Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy (LOCEN-ISTC-CNR), Roma, Italy.|Laboratory of Computational Embodied Neuroscience, Institute of Cognitive Sciences and Technologies, National Research Council of Italy (LOCEN-ISTC-CNR), Roma, Italy.