When opportunity meets motivation: Neural engagement during social approach is linked to high approach motivation. - Sina Radke; Eva-Maria Seidel; Simon B. Eickhoff; Ruben C. Gur; Frank Schneider; Ute Habel; Birgit Derntl (NeuroImage, 2016)

Social VR: How Personal Space is Affected by Virtual Agents' Emotions. - Andrea Bönsch; Sina Radke; Heiko Overath; Laura M. Asche; Jonathan Wendt; Tom Vierjahn; Ute Habel; Torsten W. Kuhlen (VR, 2018)

The Impact of a Virtual Agent's Non-Verbal Emotional Expression on a User's Personal Space Preferences. - Andrea Bönsch; Sina Radke; Jonathan Ehret; Ute Habel; Torsten W. Kuhlen (IVA, 2020)