Separating distinct aspects of the voluntary selection between response alternatives: N2- and P3-related BOLD responses. - Susanne Karch; Regina Feuerecker; Gregor Leicht; Thomas Meindl; Irmgard Hantschk; Valerie Kirsch; Matthias Ertl; Jürgen Lutz; Oliver Pogarell; Christoph Mulert (NeuroImage, 2010)