Interpersonal entrainment of body sway in everyday face-to-face communication

Higo, Naoki; Ogata, Taiki; Ono, Eisuke; Nozawa, Takayuki; Ara, Koji; Yano, Kazuo; Miyake, Yoichi

doi:10.1109/sii.2012.6427363

Cited by 2 publications

(6 citation statements)

References 24 publications

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“…1) and can be worn around the neck [10]- [12]. The device was equipped with an accelerometer to measure upper-body movements and an infrared ray sensor to detect face-to-face contact.…”

Section: Measuring Devicementioning

confidence: 99%

“…The oscillation of upper-body movements accompanied by nodding and other gestures was measured as upper-body movements by the accelerometer [10]- [12]. Figure 2 shows the method of calculating the frequencies of the minute-byminute upper-body movements.…”

Section: Body Movementsmentioning

confidence: 99%

“…Through these IDs, the face-to-face contact between two individuals was identified [10]- [12]. When participants i and j were detected by a wearable device within the communication range of the infrared sensor during a one-minute time block, the device recorded a "1" at that block.…”

Section: Face-to-face Contact Eventsmentioning

confidence: 99%

“…We investigated the interpersonal coevolution of people's body movements on a second-time scale for daily situations. We observed the body movements and face-to-face contact of the test subjects [10], [11] using wearable devices [12]. We gathered data from over one thousand test subjects in real organizations over the course of one to two months.…”

Section: Introductionmentioning

confidence: 99%

“…We focused on upper-body movements of people because this is also the focus in the field of daily human behavior on different time scales [10], [11], [41], [42]. We calculated the amount of upper-body movements by the same procedure as in the previous study [12].…”

Section: Introductionmentioning

confidence: 99%

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Interpersonal Coevolution of Body Movements in Daily Face-to-Face Communication

Ogata

Higo

Nozawa

et al. 2017

IEICE Trans. Inf. & Syst.

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SUMMARYPeople's body movements in daily face-to-face communication influence each other. For instance, during a heated debate, the participants use more gestures and other body movements, while in a calm discussion they use fewer gestures. This "coevolution" of interpersonal body movements occurs on multiple time scales, like minutes or hours. However, the multi-time-scale coevolution in daily communication is not clear yet.In this paper, we explore the minute-to-minute coevolution of interpersonal body movements in daily communication and investigate the characteristics of this coevolution. We present quantitative data on upper-body movements from thousand test subjects from seven organizations gathered over several months via wearable sensors. The device we employed measured upperbody movements with an accelerometer and the duration of face-to-face communication with an infrared ray sensor on a minute-by-minute basis. We defined a coevolution measure between two people as the number of per-minute changes of their body movement and compared the indices for face-to-face and non-face-to-face situations. We found that on average, the amount of people's body movements changed correspondingly for face-toface communication and that the average rate of coevolution in the case of face-to-face communication was 3-4% higher than in the case of nonface-to-face situation. These results reveal minute-to-minute coevolution of upper-body movements between people in daily communication. The finding suggests that the coevolution of body movement arises in multiple time scales.

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“…1) and can be worn around the neck [10]- [12]. The device was equipped with an accelerometer to measure upper-body movements and an infrared ray sensor to detect face-to-face contact.…”

Section: Measuring Devicementioning

confidence: 99%

Section: Body Movementsmentioning

confidence: 99%

Section: Face-to-face Contact Eventsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Interpersonal Coevolution of Body Movements in Daily Face-to-Face Communication

Ogata

Higo

Nozawa

et al. 2017

IEICE Trans. Inf. & Syst.

Self Cite

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Nonverbal synchrony of head- and body-movement in psychotherapy: different signals have different associations with outcome

2014

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Objective: The coordination of patient’s and therapist’s bodily movement – nonverbal synchrony – has been empirically shown to be associated with psychotherapy outcome. This finding was based on dynamic movement patterns of the whole body. The present paper is a new analysis of an existing dataset (Ramseyer and Tschacher, 2011), which extends previous findings by differentiating movements pertaining to head and upper-body regions.Method: In a sample of 70 patients (37 female, 33 male) treated at an outpatient psychotherapy clinic, we quantified nonverbal synchrony with an automated objective video-analysis algorithm (motion energy analysis). Head- and body-synchrony was quantified during the initial 15 min of video-recorded therapy sessions. Micro-outcome was assessed with self-report post-session questionnaires provided by patients and their therapists. Macro-outcome was measured with questionnaires that quantified attainment of treatment goals and changes in experiencing and behavior at the end of therapy.Results: The differentiation of head- and body-synchrony showed that these two facets of motor coordination were differentially associated with outcome. Head-synchrony predicted global outcome of therapy, while body-synchrony did not, and body-synchrony predicted session outcome, while head-synchrony did not.Conclusion: The results pose an important amendment to previous findings, which showed that nonverbal synchrony embodied both outcome and interpersonal variables of psychotherapy dyads. The separation of head- and body-synchrony suggested that distinct mechanisms may operate in these two regions: Head-synchrony embodied phenomena with a long temporal extension (overall therapy success), while body-synchrony embodied phenomena of a more immediate nature (session-level success). More explorations with fine-grained analyses of synchronized phenomena in nonverbal behavior may shed additional light on the embodiment of psychotherapy process.

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Interpersonal entrainment of body sway in everyday face-to-face communication

Cited by 2 publications

References 24 publications

Interpersonal Coevolution of Body Movements in Daily Face-to-Face Communication

Interpersonal Coevolution of Body Movements in Daily Face-to-Face Communication

Nonverbal synchrony of head- and body-movement in psychotherapy: different signals have different associations with outcome

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