Testing the interaction with a self-avatar using behavioral measuresстатьяТезисы
Статья опубликована в высокорейтинговом журнале
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Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 26 января 2018 г.
Аннотация:It was shown that behavior reactions may be used as reliable measures to appreciate the copresence during interactions between humans and embodied agents in virtual environments. Previous work revealed that the consistency of sensory information within different modalities affected the effectiveness of copresence. In our study we investigated the subject’s behavior reactions in the situation of mismatch between visual and proprioceptive information using the CAVE virtual reality system. The experiment consisted of two parts. In the first part the participants were asked to perform body movements (to raise and lower hands and legs) which were exactly copied by a self-avatar displayed in front of them. The exercises should be repeated several times for 5 minutes to persuade the participants of being embodied in their own avatar. In the second part the participants performed the same task but at a certain moment, determined in advance by the researcher, saw a self-avatar displayed actions unrelated to her/his body movements. The physiological reactions (summary EMG activities) were recorded during the performance of both the first and second parts to measure the sense of presence during interactions with her/his own avatars. The results showed that EMG activities were significantly higher for the second condition when the consistency of participant’s and avatar’s movements was broken. Our data support to interaction paradigms that are based on maximizing the consistency between visual and proprioceptive data to increase the sense of presence in virtual environments.
The study was funded by Russian Scientific Fund project № 15-18-00109.