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The sense of agency in human-human vs human-robot joint action

Abstract : Kinesthesis pertains to the perception of moving body parts, while the sense of agency refers to the experience of controlling one's action-effects. Based on previous work, we hypothesized that the sense of agency would decrease in joint action with a robot compared to a human partner. Pairs of participants were jointly manipulating two interconnected haptic devices enabling them to feel each other's forces. Unbeknown to participants, their partner was sometimes replaced by a robot. The sense of agency was assessed using intentional binding, which refers to a contraction of perceived time between an action and its effect for intentional actions, and participants’ judgment of their contribution to joint action. Participants judged their contribution as higher when they were initiating action and when they were paired with the robot. By contrast, intentional binding occurred only with a human partner. This outcome supports the hypothesis that human-robot joint action hinders intentional binding.
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Submitted on : Monday, July 27, 2020 - 10:05:27 AM
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Ouriel Grynszpan, Aïsha Sahaï, Nasmeh Hamidi, Elisabeth Pacherie, Bruno Berberian, et al.. The sense of agency in human-human vs human-robot joint action. Consciousness and Cognition, Elsevier, 2019, 75 (102820), pp.1-14. ⟨10.1016/j.concog.2019.102820⟩. ⟨hal-02906147⟩



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