ArticleFrontiers in human neuroscience2026
Empathy-related individual differences in brain responses to robot and human pain.
Article in Frontiers in human neuroscience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Robots are increasingly implemented across diverse social contexts. Empathy is one construct that has gained focus in human-robot interaction (HRI) research. While previous studies have demonstrated neural activation for explicit depictions of robot pain, this work has primarily used a limited range of human and robot stimuli, and it is less clear how humans perceive a broader range of faces. Methods: The current study examined the neural correlates of human empathy for robot pain using functional Near-Infrared Spectroscopy (fNIRS) and a diverse range of human and robot face stimuli. In Study 1, we conducted an online survey with Results: In Study 1, results found that the painful touch condition stimuli successfully elicited the intended emotion. In Study 2, there were no significant differences in brain responses to human pain in comparison to robot pain, though results demonstrated behavioral sensitivity to both the touch and face conditions. Neuroimaging analyses also suggest that individual differences in self-oriented empathy is linked to neural activation for human and robot pain. Discussion: The current work contributes our understanding of the role of individual differences in self-rated empathy in shaping neural responses to robot pain and highlights the importance of tailoring HRI to the emotional and empathetic responses of users. We did not find evidence for significant differences in neural responses to human pain stimuli in comparison to robot pain stimuli, despite significant differences in behavioral pain ratings. This suggests a discrepancy between brain and behavior necessitating further inquiry.
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