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<dc:title xml:lang="fr">Percevoir les êtres sociaux dans les agents artificiels</dc:title>
<dcterms:alternative xml:lang="en">Perceiving social beings in artificial agents</dcterms:alternative>
<dc:subject xml:lang="fr">Robot social</dc:subject>
<dc:subject xml:lang="fr">Agent Social Artificiel</dc:subject>
<dc:subject xml:lang="fr">Interaction Humain-Robot</dc:subject>
<dc:subject xml:lang="fr">Présence sociale</dc:subject>
<dc:subject xml:lang="fr">N400</dc:subject>
<dc:subject xml:lang="fr">Perceptual Crossing</dc:subject>
<dc:subject xml:lang="en">Social Robot</dc:subject>
<dc:subject xml:lang="en">Artificial Social Agent</dc:subject>
<dc:subject xml:lang="en">Human-Robot interaction</dc:subject>
<dc:subject xml:lang="en">Social Presence</dc:subject>
<dc:subject xml:lang="en">N400</dc:subject>
<dc:subject xml:lang="en">Perceptual Crossing</dc:subject>
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<tef:elementdEntree autoriteExterne="188952799" autoriteSource="Sudoc">Interaction homme-robot</tef:elementdEntree>
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<dcterms:abstract xml:lang="fr">Les robots sociaux occupent une place croissante dans nos environnements. Pourtant, la manière dont nous nous connectons et communiquons avec ces agents artificiels et y réagissons reste encore largement inexplorée. Cette thèse a mobilisé des ressources de la psychologie cognitive, de la robotique sociale, des neurosciences et de la psychophysique pour investiguer cette question. En particulier, elle portait sur le traitement cérébral du discours robotique, la sensibilité aux délais de réponse et les conditions d'émergence de la présence sociale avec des agents artificiels afin de caractériser les spécificités des interactions entre les humain et les robots. Le premier axe, inspiré du paradigme du Perceptual Crossing explore l'impact d'une consigne avec incitation sociale sur la présence sociale et la structure de la dynamique avec des agents artificiels dans un environnement minimaliste (N = 392). Le deuxième axe s'intéresse aux attentes temporelles dans les échanges verbaux. L'utilisation d'une méthode psychophysique (N = 210) a permis d'identifier un délai de réponse optimal de 700 ms pour un robot à des questions fermées d'un humain et une tolérance variable selon le style avec lequel il répond. Une étude complémentaire (N = 420) a testé l'effet de délais plus courts ou plus longs sur la perception sociale du robot. Le dernier axe propose deux études EEG mobilisant la composante N400 pour examiner les réactions cérébrales et les frontières cognitives face à un robot parlant de ses émotions (N = 50) et évoquant des actions lui étant impossibles (N = 56).</dcterms:abstract>
<dcterms:abstract xml:lang="en">Social robots are increasingly integrated into our environments. Yet, how we communicate with these agents and respond to them remains largely unexplored. This thesis mobilizes resources from cognitive psychology, social robotics, neuroscience, and psychophysics. It examines the neural processing of robotic discourse, sensitivity to response delays, and the conditions under which social presence emerges, in order to characterize the specific features of human-robot interactions. The first research axis, inspired the Perceptual Crossing paradigm, investigates the influence of social instructions on interaction strategies and how agent properties modulate social presence in a minimalist environment (N = 392). The second axis focuses on temporal expectations in human-robot verbal exchanges. Using a psychophysics method (N = 210), an optimal response delay of 700 ms was identified for yes/no questions, with greater tolerance toward robots displaying a soft communication style. A complementary study (N = 420) tested the effect of shorter and longer delays on robot perception. The third research axis relies on two EEG studies using the N400 component to examine brain responses to a robot talking about actions (N = 56) beyond its capabilities and speaking about its emotions (N = 50).</dcterms:abstract>
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