Playing a different imitation game: Interaction with an Empathic Android Robot. - Frank Hegel; Thorsten Spexard; Britta Wrede; Gernot Horstmann; Thurid Vogt (Humanoids, 2006)

Classes of Applications for Social Robots: A User Study. - Frank Hegel; Manja Lohse; Agnes Swadzba; Sven Wachsmuth; Katharina J. Rohlfing; Britta Wrede (RO-MAN, 2007)

Theory of mind (ToM) on robots: a functional neuroimaging study. - Frank Hegel; Soeren Krach; Tilo Kircher; Britta Wrede; Gerhard Sagerer (HRI, 2008)

Understanding social robots: A user study on anthropomorphism. - Frank Hegel; Sören Krach; Tilo Kircher; Britta Wrede; Gerhard Sagerer (RO-MAN, 2008)

Understanding Social Robots. - Frank Hegel; Claudia Muhl; Britta Wrede; Martina Hielscher-Fastabend; Gerhard Sagerer (ACHI, 2009)

Direct imitation of human facial expressions by a user-interface robot. - Marko Tscherepanow; Matthias Hillebrand; Frank Hegel; Britta Wrede; Franz Kummert (Humanoids, 2009)

Effects of visual appearance on the attribution of applications in social robotics. - Frank Hegel; Manja Lohse; Britta Wrede (RO-MAN, 2009)

The Bielefeld anthropomorphic robot head "Flobi". - Ingo Lütkebohle; Frank Hegel; Simon Schulz; Matthias Hackel; Britta Wrede; Sven Wachsmuth; Gerhard Sagerer (ICRA, 2010)

Anthropomorphic inferences from emotional nonverbal cues: A case study. - Friederike Eyssel; Frank Hegel; Gernot Horstmann; Claudia Wagner 002 (RO-MAN, 2010)

The social robot 'Flobi': Key concepts of industrial design. - Frank Hegel; Friederike Eyssel; Britta Wrede (RO-MAN, 2010)

Ludi: A Plug & Play Interface for Preschool Kids to Create Digital Games. - Frank Hegel (MuC, 2011)

Towards a typology of meaningful signals and cues in social robotics. - Frank Hegel; Sebastian Gieselmann; Annika Peters; Patrick Holthaus; Britta Wrede (RO-MAN, 2011)

'If you sound like me, you must be more human': on the interplay of robot and user features on human-robot acceptance and anthropomorphism. - Friederike Eyssel; Dieta Kuchenbrandt; Simon Bobinger; Laura E. de Ruiter; Frank Hegel (HRI, 2012)

Social facilitation with social robots? - Nina Riether; Frank Hegel; Britta Wrede; Gernot Horstmann (HRI, 2012)

Activating elicited agent knowledge: How robot and user features shape the perception of social robots. - Friederike Eyssel; Dieta Kuchenbrandt; Frank Hegel; Laura E. de Ruiter (RO-MAN, 2012)

Effects of a Robot's Aesthetic Design on the attribution of social capabilities. - Frank Hegel (RO-MAN, 2012)

Applications for emotional robots. - Oliver Damm; Frank Hegel; Karoline Malchus; Britta Wrede; Manja Lohse (HRI, 2013)

Applications for emotional robots. - Oliver Damm; Christian Becker-Asano; Manja Lohse; Frank Hegel; Britta Wrede (HRI, 2014)