5 years ago

Likability's Effect on Interpersonal Motor Coordination: Exploring Natural Gaze Direction.

Mathieu Gueugnon, Ludovic Marin, Robin N Salesse, Zhong Zhao, Benoît G Bardy
Although existing studies indicate a positive effect of interpersonal motor coordination (IMC) on likability, no consensus has been reached as for the effect of likability back onto IMC. The present study specifically investigated the causal effect of likability on IMC and explored, by tracking the natural gaze direction, the possible underlying mechanisms. Twenty-two participants were engaged in an interpersonal finger-tapping task with a confederate in three likability conditions (baseline, likable, and unlikable), while wearing an eye tracker. They had to perform finger tapping at their comfort tempo with the confederate who tapped at the same or 1.5 times of the participant's preferred frequency. Results showed that when tapping at the same frequency, the effect of likability on IMC varied with time. Participants coordinated at a higher level in the baseline condition at the beginning of the coordination task, and a facilitative effect of likability on IMC was revealed in the last session. As a novelty, our results evidenced a positive correlation between IMC and the amount of gaze onto the coordination partner's movement only in the likable condition. No effect of likability was found when the confederate was tapping at 1.5 times of the participant's preferred frequency. Our research suggests that the psychosocial property of the coordinating partner should be taken into consideration when investigating the performance of IMC and that IMC is a parameter that is sensitive to multiple factors.

Publisher URL: http://doi.org/10.3389/fpsyg.2017.01864

DOI: 10.3389/fpsyg.2017.01864

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