1. Department of Psychology , University of Oslo, Forskningsveien 3A, 0373 Oslo , Norway
2. RITMO Centre for Interdisciplinary Studies in Rhythm , Time and Motion, University of Oslo, Forskningsveien 3A, 0373 Oslo , Norway
3. Department of Musicology , University of Oslo, Sem Sælands vei 2, 0371 Oslo , Norway
4. Department of Neuropsychology , Helgeland Hospital, Skjervengan 17, 8657 Mosjøen , Norway
5. Department of Neurosurgery , Oslo University Hospital, Sognsvannsveien 20, 0372 Oslo , Norway