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        Tilting Together: An information-theoretic characterisation of behavioural roles in rhythmic dyadic interaction

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        fnhum_14_00185.pdf (PDF, 891Kb)
        Author
        Trendafilov, Dari
        Schmitz, Gerd
        Hwang, Tong-Hun
        Effenberg, Alfred O.
        Polani, Daniel
        Attention
        2299/22908
        Abstract
        Every joint collaborative physical activity performed by a group of people, e.g., carrying a table, typically leads to the emergence of spatiotemporal coordination of individual motor behavior. Such interpersonal coordination can arise solely based on the observation of the partners’ and/or the object’s movements, without the presence of verbal communication. In this paper, we investigate how the social coupling between two individuals in a collaborative task translates into measured objective and subjective performance indicators recorded in two different studies. We analyse the trends in the dyadic interrelationship based on the information-theoretic measure of transfer entropy and identify emerging leader-follower roles. In our experimental paradigm, the actions of the pair of subjects are continuously and seamlessly fused, resulting in a joint control of an object simulated on a tablet computer. Subjects need to synchronize their movements with a 90-degree phase difference in order to keep the object (a ball) rotating precisely on a predefined circular or elliptic trajectory on a tablet device. Results demonstrate how the identification of causal dependencies in this social interaction task could reveal specific trends in human behavior and provide insights into the emergence of social sensorimotor contingencies.
        Publication date
        2020-05-25
        Published in
        Frontiers in Human Neuroscience
        Published version
        https://doi.org/10.3389/fnhum.2020.00185
        Other links
        http://hdl.handle.net/2299/22908
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