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In virtual reality, users do not receive any visual information coming from their own body. Thus, avatars are often used, and they can be embodied which alters the body representation. We suggested that the perception of one’s own movements (i.e., kinaesthesia) can be altered as well. We investigated whether visual cues coming from an avatar can be used for kinaesthesia and to what extent such cues can deviate from natural ones. We used a paradigm in which the participant’s left forearm was moved passively, correlated with the movement of both forearms of the avatar. Such visuo-proprioceptive combination induces kinaesthetic illusions in the participant’s right forearm. The impact of the morphological similarity (semantic congruency) and of the visual perspective of the avatar (spatial congruency) was investigated. Results have indicated that avatar’s movements are processed as one’s own movements. Morphological similarity and first-person perspective were not necessary, but they reinforced the illusions. Thus, visual motion cues can strongly deviate from natural ones in morphology and perspective and still contribute to kinaesthesia.

When my avatar’s movements make me feel I am moving: From natural-like stimuli to fully artificial ones in virtual reality