[1] Max Planck Inst Human Dev, Ctr Adapt Rat, Berlin, Germany
[2] European Commiss, Joint Res Ctr, Brussels, Belgium
[3] Univ Bristol, Sch Psychol Sci, Bristol, England
[4] Univ Western Australia, Sch Psychol Sci, Crawley, Australia
[5] Univ Potsdam, Dept Psychol, Potsdam, Germany
[6] Max Planck Inst Human Dev, Ctr Adapt Rat, Lentzeallee 94, D-14195 Berlin, Germany