Vossel, S. [P:(DE-Juel1)131745] ; Bauer, M. [P:(DE-HGF)0] ; Mathys, C. [P:(DE-HGF)0] ; Adams, R. A. [P:(DE-HGF)0] ; Dolan, R. J. [P:(DE-HGF)0] ; Stephan, K. E. [P:(DE-HGF)0] ; Friston:, K. J. [P:(DE-HGF)0]