Body and psychological state synchrony and change by the grant of prior knowledge

Yokozuka, Takahiro; Thepsoonthorn, Chidchanok; Miura, Shunsuke; Yap, Robin Miao Sin; Kwon, Jinhwan; Ogawa, Kazuhiko; Miyake, Yoichi

doi:10.1109/sii.2015.7405133

Cited by 1 publication

(1 citation statement)

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“…Head nodding synchrony detection method consists of 5 main processes: head motion acceleration norm calculation, time-frequency of acceleration norm analysis, amplitude spectrum of head motion extraction, head motion synchrony identification, and head nodding synchrony identification47.…”

Section: Methodsmentioning

confidence: 99%

Prior Knowledge Facilitates Mutual Gaze Convergence and Head Nodding Synchrony in Face-to-face Communication

Thepsoonthorn

Yokozuka

Miura

et al. 2016

Sci Rep

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As prior knowledge is claimed to be an essential key to achieve effective education, we are interested in exploring whether prior knowledge enhances communication effectiveness. To demonstrate the effects of prior knowledge, mutual gaze convergence and head nodding synchrony are observed as indicators of communication effectiveness. We conducted an experiment on lecture task between lecturer and student under 2 conditions: prior knowledge and non-prior knowledge. The students in prior knowledge condition were provided the basic information about the lecture content and were assessed their understanding by the experimenter before starting the lecture while the students in non-prior knowledge had none. The result shows that the interaction in prior knowledge condition establishes significantly higher mutual gaze convergence (t(15.03) = 6.72, p < 0.0001; α = 0.05, n = 20) and head nodding synchrony (t(16.67) = 1.83, p = 0.04; α = 0.05, n = 19) compared to non-prior knowledge condition. This study reveals that prior knowledge facilitates mutual gaze convergence and head nodding synchrony. Furthermore, the interaction with and without prior knowledge can be evaluated by measuring or observing mutual gaze convergence and head nodding synchrony.

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Section: Methodsmentioning

confidence: 99%