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Publications

--- In press ---

Hortensius, R., Hekele, F. & Cross, E. S. (in press). The perception of emotion in artificial agents. IEEE Transactions on Cognitive and Developmental Systems.



--- 2018 ---

Hortensius, R. & Cross, E.S. (2018). From automata to animate beings: The scope and limits of attributing socialness to artificial agents. Annals of the New York Academy of Sciences, 1426: 93-110.


Hortensius R. & de Gelder B. (2018). From empathy to apathy: The bystander effect revisited. Current Directions in Psychological Science, 27:249 –256.


Hortensius R., Neyret S., Slater M. & de Gelder B. (2018). The relation between bystanders' behavioral reactivity to distress and later helping behavior during a violent conflict in virtual reality. PLoS ONE. 3: e0196074


Seinfeld S., Arroyo-Palacios J., Iruretagoyena G., Hortensius R., Zapata L.E., Borland D., de Gelder B., Slater M., Sanchez-Vives M.V.V. (in press). Offenders become the victim in virtual reality: impact of changing perspective in domestic violence. Scientific Reports. 8:2692.



--- 2017 ---

Poyo Solanas M., Zhan M., Vaessen M., Hortensius R., Engelen T. & de Gelder B. (2017). Looking at the face and seeing the whole body. Neural basis of combined face and body expressions. Social Cognitive and Affective Neuroscience, 13:35-144.


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.


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, 0314-16.2016.


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.



--- 2016 ---

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, Psychophysiology, 53:1307-1316.


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, 16:672–688.


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: 20150376.



--- 2015 ---

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: e0139768. [data]


Van den Stock J., Hortensius R., Sinke C.B.A., Goebel R & de Gelder B. (2015). Personality traits predict brain activation and connectivity when witnessing a violent conflict. Scientific Reports, 5:13779



--- 2014 ---

Hortensius R., van Honk J., de Gelder B. & Terburg, D. (2014). Trait dominance promotes reflexive staring at masked angry body postures. PLoS ONE, 9: e116232. [data]


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.


de Gelder B., Terburg D., Morgan B., Hortensius R., Stein D.J. & van Honk (2014). The role human basolateral amygdala in perception of ambiguous threat, Cortex, 52: 28-34.


de Gelder B. & Hortensius R. (2014). The many faces of the emotional body. In Decety J. & Christen Y. (Eds.), New frontiers in social neuroscience (pp. 153-164). Springer.



---2013 ---

Price T.F., Hortensius R. & Harmon-Jones E. (2013). Neural and behavioral associations of manipulated determination facial expressions, Biological Psychology, 94: 221–227.


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: 475-481.



--- 2012 ---

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, 6:54.


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: 342-347.



--- 2011 ---

Schutter D.J.L.G. & Hortensius R. (2011). Brain oscillations and frequency dependent modulation of cortical excitability, Brain Stimulation, 4:97-103.



--- 2010 ---

Schutter D.J.L.G. & Hortensius R. (2010). Retinal origin of phosphenes to transcranial alternating current stimulation, Clinical Neurophysiology, 221:1080-1084.

        See also editorial by Walter Paulus and original article by Kanai et al., 2008.

ruud_hortensius Researcher_In_Social_and_Affective_Neuroscience

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Last update: September 12 2018 (publications)


---News---

*A popularity contest in the robotic petting zoo will be part of the British Science Festival on September 14! Together with artist-in-residency Merel Bekking, we created an interactive public art performance. In this robotic petting zoo, a small group of vacuuming robots, all with unique characters, competed in a popularity contest. So much fun! Please check this page, the website or this BBC piece for more information.


*Our review paper on the attribution of socialness to artificial agents has been published in the Annals of the New York Academy of Sciences as part of the Year in Cognitive Neuroscience issue. In this review we discuss how the cognitive reconstruction within the human observer shapes human-robot interaction at the brain and behavioural level. Read the the article here.


*A review on the perception of emotion in artificial agents is in press in IEEE Transactions on Cognitive and Developmental Systems. In the review we integrate recent findings from social robotics, virtual reality, psychology, and neuroscience to examine how people recognize and respond to emotions displayed by robotic and virtual agents, and provide guiding principles for future development and research. Read the PsychArXiv pre-print here, the accepted version here or see the poster for the CERE conference here.


*Why do we fail to help during an emergency in the presence of other people? Together, with Beatrice de Gelder I propose a new theoretical perspective on bystander apathy that integrates emotional, motivational and dispositional aspects. Out now in Current Directions in Psychological Science.


---Coming soon---

*A preprint entitled: “Socialising with a robot and the flexibility of empathy”.

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