The neural basis of the bystander effect - The influence of group size on neural activity when witnessing an emergency. - Ruud Hortensius; Béatrice de Gelder (NeuroImage, 2014)

Cognitive and Social Neuroscience Methods for HRI. - Agnieszka Wykowska; Giorgio Metta; Cristina Becchio; Ruud Hortensius; Emily S. Cross (HRI (Companion), 2018)

The Perception of Emotion in Artificial Agents. - Ruud Hortensius; Felix Hekele; Emily S. Cross (IEEE Trans. Cogn. Dev. Syst., 2018)

Individuals Expend More Effort to Compete Against Robots Than Humans After Observing Competitive Human-Robot Interactions. - Rosanne H. Timmerman; Te-Yi Hsieh; Anna Henschel; Ruud Hortensius; Emily S. Cross (ICSR, 2021)

No Evidence for an Effect of the Smell of Hexanal on Trust in Human-Robot Interaction. - Ilja Croijmans; Laura van Erp; Annelie Bakker; Lara Cramer; Sophie Heezen; Dana Van Mourik; Sterre Weaver; Ruud Hortensius (Int. J. Soc. Robotics, 2023)

A Cross-Cultural Comparison on Implicit and Explicit Attitudes Towards Artificial Agents. - Fabiola Diana; Misako Kawahara; Isabella Saccardi; Ruud Hortensius; Akihiro Tanaka; Mariska E. Kret (Int. J. Soc. Robotics, 2023)

Merging sociality and robotics through an evolutionary perspective. - Fabiola Diana; Lola Cañamero; Ruud Hortensius; Mariska E. Kret (Sci. Robotics, 2024)

Can Robots Trust Us? Neuropsychophysiological Insights into Honesty Towards Artificial Agents. - Fabiola Diana; Ruud Hortensius; Mariska E. Kret (HRI, 2025)