Dr. Ruud Hortensius

Associate Professor
Social, Health and Organisational Psychology
r.hortensius@uu.nl

Highlighted publications

Hogenhuis, A., & Hortensius, R. (2022). Domain‐specific and domain‐general neural network engagement during human–robot interactions. European Journal of Neuroscience, 56(10), 5902-5916. https://doi.org/10.1111/ejn.15823
Hortensius, R., & Wiese, E. (2023). A neurocognitive view on the depiction of social robots. Behavioral and Brain Sciences, 46, Article e38. https://doi.org/10.1017/S0140525X22001637
Henschel, A., Hortensius, R., & Cross, E. S. (2020). Social Cognition in the Age of Human–Robot Interaction. Trends in Neurosciences, 43(6), 373-384. https://doi.org/10.1016/j.tins.2020.03.013
Hortensius, R., Kent, M., Darda, K. M., Jastrzab, L., Koldewyn, K., Ramsey, R., & Cross, E. S. (2021). Exploring the relationship between anthropomorphism and theory-of-mind in brain and behaviour. Human Brain Mapping, 42(13), 4224-4241. https://doi.org/10.1002/hbm.25542
Hortensius, R., & Cross, E. S. (2018). From automata to animate beings: the scope and limits of attributing socialness to artificial agents: Socialness attribution and artificial agents. Annals of the New York Academy of Sciences, 1426(1), 93-110. https://doi.org/10.1111/nyas.13727
Cross, E. S., Riddoch, K. A., Pratts, J., Titone, S., Chaudhury, B., & Hortensius, R. (2019). A neurocognitive investigation of the impact of socializing with a robot on empathy for pain. Philosophical Transactions of the Royal Society B: Biological Sciences, 374(1771). https://doi.org/10.1098/rstb.2018.0034
Hortensius, R., Hekele, F., & Cross, E. S. (2018). The perception of emotion in artificial agents. IEEE Transactions on Cognitive and Developmental Systems, 1. https://doi.org/10.1109/TCDS.2018.2826921
Cross, E. S., Hortensius, R., & Wykowska, A. (2019). From social brains to social robots: applying neurocognitive insights to human–robot interaction. Philosophical Transactions of the Royal Society B: Biological Sciences, 374(1771). https://doi.org/10.1098/rstb.2018.0024
Hortensius, R., & de Gelder, B. (2018). From Empathy to Apathy: The Bystander Effect Revisited. Current Directions in Psychological Science, 27(4), 249-256. https://doi.org/10.1177/0963721417749653

Publications

2023

Scholarly publications

Diana, F., Juárez-Mora, O. E., Boekel, W., Hortensius, R., & Kret, M. E. (2023). How video calls affect mimicry and trust during interactions. Philosophical Transactions of the Royal Society B: Biological Sciences, 378(1875), Article 20210484. https://doi.org/10.1098/rstb.2021.0484
Hortensius, R., & Wiese, E. (2023). A neurocognitive view on the depiction of social robots. Behavioral and Brain Sciences, 46, Article e38. https://doi.org/10.1017/S0140525X22001637
Liefooghe, B., Oliveira, M., Leisten, L. M., Hoogers, E., Aarts, H., & Hortensius, R. (2023). Are Natural Faces Merely Labelled as Artificial Trusted Less? Collabra: Psychology, 9(1), Article 73066. https://doi.org/10.1525/collabra.73066
Seinfeld, S., Hortensius, R., Arroyo-Palacios, J., Iruretagoyena, G., Zapata, L. E., de Gelder, B., Slater, M., & Sanchez-Vives, M. (2023). Domestic Violence From a Child Perspective: Impact of an Immersive Virtual Reality Experience on Men With a History of Intimate Partner Violent Behavior. Journal of Interpersonal Violence, 38(3-4), 2654-2682. Article 08862605221106130. https://doi.org/10.1177/08862605221106130
Croijmans, I. M., van Erp, L., Bakker, A., Cramer, L., Heezen, S., van Mourik, D., Weaver, S., & Hortensius, R. (2023). No Evidence for an Effect of the Smell of Hexanal on Trust in Human–Robot Interaction. International Journal of Social Robotics, 15(8), 1429–1438 . https://doi.org/10.1007/s12369-022-00918-6
Diana, F., Kawahara, M., Saccardi, I., Hortensius, R., Tanaka, A., & Kret, M. E. (2023). A Cross-Cultural Comparison on Implicit and Explicit Attitudes Towards Artificial Agents. International Journal of Social Robotics, 15(8), 1439–1455 . https://doi.org/10.1007/s12369-022-00917-7

2022

Scholarly publications

Hortensius, R., Chaudhury, B., Hoffmann, M., & Cross, E. S. (2022). Tracking human interactions with a commercially-available robot over multiple days. Open Research Europe, 2(97). https://doi.org/10.12688/openreseurope.14824.1
Hogenhuis, A., & Hortensius, R. (2022). Domain‐specific and domain‐general neural network engagement during human–robot interactions. European Journal of Neuroscience, 56(10), 5902-5916. https://doi.org/10.1111/ejn.15823
Liefooghe, B., Oliveira, M., Leisten, L. M., Hoogers, E., Aarts, H., & Hortensius, R. (2022). Faces Merely Labelled as Artificial are Trusted Less. (pp. 1-32). PsyArXiv. https://doi.org/10.31234/osf.io/te2ju

2021

Scholarly publications

Hortensius, R., Kent, M., Darda, K. M., Jastrzab, L., Koldewyn, K., Ramsey, R., & Cross, E. S. (2021). Exploring the relationship between anthropomorphism and theory-of-mind in brain and behaviour. Human Brain Mapping, 42(13), 4224-4241. https://doi.org/10.1002/hbm.25542
de Jong, D., Hortensius, R., Hsieh, T. Y., & Cross, E. S. (2021). Empathy and schadenfreude in human–robot teams. Journal of Cognition, 4(1), 1-19. Article 35. https://doi.org/10.5334/JOC.177
Timmerman, R. H., Hsieh, T. Y., Henschel, A., Hortensius, R., & Cross, E. S. (2021). Individuals Expend More Effort to Compete Against Robots Than Humans After Observing Competitive Human–Robot Interactions. In H. Li, S. S. Ge, Y. Wu, A. Wykowska, H. He, X. Liu, D. Li, & J. Perez-Osorio (Eds.), Social Robotics: 13th International Conference, ICSR 2021, Singapore, Singapore, November 10–13, 2021, Proceedings (pp. 685-696). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 13086). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-90525-5_60

2020

Scholarly publications

Fourie, M. M., Hortensius, R., & Decety, J. (2020). Parsing the components of forgiveness: Psychological and neural mechanisms. Neuroscience and Biobehavioral Reviews, 112, 437-451. https://doi.org/10.1016/j.neubiorev.2020.02.020
Henschel, A., Hortensius, R., & Cross, E. S. (2020). Social Cognition in the Age of Human–Robot Interaction. Trends in Neurosciences, 43(6), 373-384. https://doi.org/10.1016/j.tins.2020.03.013

2019

Scholarly publications

Cross, E. S., Riddoch, K. A., Pratts, J., Titone, S., Chaudhury, B., & Hortensius, R. (2019). A neurocognitive investigation of the impact of socializing with a robot on empathy for pain. Philosophical Transactions of the Royal Society B: Biological Sciences, 374(1771). https://doi.org/10.1098/rstb.2018.0034
Cross, E. S., Hortensius, R., & Wykowska, A. (2019). From social brains to social robots: applying neurocognitive insights to human–robot interaction. Philosophical Transactions of the Royal Society B: Biological Sciences, 374(1771). https://doi.org/10.1098/rstb.2018.0024

2018

Scholarly publications

Poyo Solanas, M., Zhan, M., Vaessen, M., Hortensius, R., Engelen, T., & de Gelder, B. (2018). Looking at the face and seeing the whole body. Neural basis of combined face and body expressions. Social Cognitive and Affective Neuroscience, 13(1), 135-144. https://doi.org/10.1093/scan/nsx130
Hortensius, R., & de Gelder, B. (2018). From Empathy to Apathy: The Bystander Effect Revisited. Current Directions in Psychological Science, 27(4), 249-256. https://doi.org/10.1177/0963721417749653
Seinfeld, S., Arroyo-Palacios, J., Iruretagoyena, G., Hortensius, R., Zapata, L. E., Borland, D., de Gelder, B., Slater, M., & Sanchez-Vives, M. V. (2018). Offenders become the victim in virtual reality: impact of changing perspective in domestic violence. Scientific Reports, 8(1). https://doi.org/10.1038/s41598-018-19987-7
Hortensius, R., Neyret, S., Slater, M., de Gelder, B., & Avenanti, A. (Ed.) (2018). The relation between bystanders’ behavioral reactivity to distress and later helping behavior during a violent conflict in virtual reality. PLoS One, 13(4), e0196074. https://doi.org/10.1371/journal.pone.0196074
Hortensius, R., Hekele, F., & Cross, E. S. (2018). The perception of emotion in artificial agents. IEEE Transactions on Cognitive and Developmental Systems, 1. https://doi.org/10.1109/TCDS.2018.2826921
Hortensius, R., & Cross, E. S. (2018). From automata to animate beings: the scope and limits of attributing socialness to artificial agents: Socialness attribution and artificial agents. Annals of the New York Academy of Sciences, 1426(1), 93-110. https://doi.org/10.1111/nyas.13727

2017

Scholarly publications

Hortensius, R., Terburg, D., Morgan, B., Stein, D. J., van Honk, J., & de Gelder, B. (2017). The Basolateral Amygdalae and Frontotemporal Network Functions for Threat Perception. eNeuro, 4(1), ENEURO.0314-16.2016. https://doi.org/10.1523/ENEURO.0314-16.2016
Kelley, N. J., Hortensius, R., Schutter, D. J. L. G., & Harmon-Jones, E. (2017). The relationship of approach/avoidance motivation and asymmetric frontal cortical activity: A review of studies manipulating frontal asymmetry. International Journal of Psychophysiology, 119, 19-30. https://doi.org/10.1016/j.ijpsycho.2017.03.001
Hortensius, R., Terburg, D., Morgan, B., Stein, D. J., van Honk, J., & de Gelder, B. (2017). The dynamic consequences of amygdala damage on threat processing in Urbach–Wiethe Disease. A commentary on Pishnamazi et al. (2016). Cortex, 88, 192-197. https://doi.org/10.1016/j.cortex.2016.07.013

2016

Scholarly publications

Hortensius, R., de Gelder, B., & Schutter, D. J. L. G. (2016). When anger dominates the mind: Increased motor corticospinal excitability in the face of threat: Direction of threat and motor corticospinal excitability. Psychophysiology, 53(9), 1307-1316. https://doi.org/10.1111/psyp.12685
Hortensius, R., Schutter, D. J. L. G., & de Gelder, B. (2016). Personal distress and the influence of bystanders on responding to an emergency. Cognitive, Affective and Behavioral Neuroscience, 16(4), 672-688. https://doi.org/10.3758/s13415-016-0423-6
Hortensius, R., Terburg, D., Morgan, B., Stein, D. J., van Honk, J., & de Gelder, B. (2016). The role of the basolateral amygdala in the perception of faces in natural contexts. Philosophical Transactions of the Royal Society B: Biological Sciences, 371(1693). https://doi.org/10.1098/rstb.2015.0376

2015

Scholarly publications

Zhan, M., Hortensius, R., & de Gelder, B. (2015). The Body as a Tool for Anger Awareness—Differential Effects of Angry Facial and Bodily Expressions on Suppression from Awareness. PLoS One, 10(10), e0139768. https://doi.org/10.1371/journal.pone.0139768
Van den Stock, J., Hortensius, R., Sinke, C., Goebel, R., & de Gelder, B. (2015). Personality traits predict brain activation and connectivity when witnessing a violent conflict. Scientific Reports, 5(1). https://doi.org/10.1038/srep13779

2014

Scholarly publications

de Gelder, B., & Hortensius, R. (2014). The Many Faces of the Emotional Body. https://doi.org/10.1007/978-3-319-02904-7_9
Hortensius, R., & de Gelder, B. (2014). The neural basis of the bystander effect — The influence of group size on neural activity when witnessing an emergency. NeuroImage, 93, 53-58. https://doi.org/10.1016/j.neuroimage.2014.02.025
Hortensius, R., van Honk, J., De Gelder, B., & Terburg, D. (2014). Trait dominance promotes reflexive staring at masked angry body postures. PLoS One, 9(12), Article e116232. https://doi.org/10.1371/journal.pone.0116232
De Gelder, B., Terburg, D., Morgan, B., Hortensius, R., Stein, D. J., & van Honk, J. (2014). The role of human basolateral amygdala in ambiguous social threat perception. Cortex, 52(1), 28-34. https://doi.org/10.1016/j.cortex.2013.12.010

2013

Scholarly publications

Price, T. F., Hortensius, R., & Harmon-Jones, E. (2013). Neural and behavioral associations of manipulated determination facial expressions. Biological Psychology, 94(1), 221-227. https://doi.org/10.1016/j.biopsycho.2013.06.001
Kelley, N. J., Hortensius, R., & Harmon-Jones, E. (2013). When Anger Leads to Rumination: Induction of Relative Right Frontal Cortical Activity With Transcranial Direct Current Stimulation Increases Anger-Related Rumination. Psychological Science, 24(4), 475-481. https://doi.org/10.1177/0956797612457384

2012

Scholarly publications

de Gelder, B., Hortensius, R., & Tamietto, M. (2012). Attention and awareness each influence amygdala activity for dynamic bodily expressions—a short review. Frontiers in Integrative Neuroscience, 6. https://doi.org/10.3389/fnint.2012.00054
Hortensius, R., Schutter, D. J. L. G., & Harmon-Jones, E. (2012). When anger leads to aggression: induction of relative left frontal cortical activity with transcranial direct current stimulation increases the anger–aggression relationship. Social Cognitive and Affective Neuroscience, 7(3), 342-347. https://doi.org/10.1093/scan/nsr012

2011

Scholarly publications

Schutter, D. J. L. G., & Hortensius, R. (2011). Brain oscillations and frequency-dependent modulation of cortical excitability. Brain Stimulation, 4(2), 97-130.
Schutter, D. J. L. G., & Hortensius, R. (2011). Retinal origin of phosphenes to transcranial alternating current stimulation. Clinical Neurophysiology, 121, 1080-1084.