Are you human? The engagement in real-time social interactions recruits the reward system. - Ulrich J. Pfeiffer; Leonhard Schilbach; Bert Timmermans; Bojana Kuzmanovic; Alexandra Livia Georgescu; Gary Bente; Kai Vogeley (CogSci, 2013)

Why we interact: On the functional role of the striatum in the subjective experience of social interaction. - Ulrich J. Pfeiffer; Leonhard Schilbach; Bert Timmermans; Bojana Kuzmanovic; Alexandra Livia Georgescu; Gary Bente; Kai Vogeley (NeuroImage, 2014)