As AI and robots become more widespread, their social and ethical nature will become more important. The study of behavioral models that follow us, humans, as social creatures, can be expected as one of the solutions. We assume that human sociality including punishments toward free-riders, which is necessary for a stable society, are deeply related to emotions, especially emotions toward others and empathy. Based on this idea, we incorporated social emotions into the active inference, a human behavior model in cognitive science, and investigated the social behavior of the models using a virtual game.

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