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

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

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

Accuracy of Perceiving Precisely Gazing Virtual Agents. - Sebastian Loth; Gernot Horstmann; Corinnna Osterbrink; Stefan Kopp (IVA, 2018)

The Cognitive-Evolutionary Model of Surprise: A Review of the Evidence. - Rainer Reisenzein; Gernot Horstmann; Achim Schützwohl (Top. Cogn. Sci., 2019)