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Gesture Mimicry in Expression of Laughter

Griffin, H; Varni, G; Tomé Lourido, G; Mancini, M; Volpe, G; Bianchi-Berthouze, NL; (2015) Gesture Mimicry in Expression of Laughter. In: 2015 International Conference on Affective Computing and Intelligent Interaction (ACII). (pp. pp. 677-683). IEEE: Xi'an, China. Green open access

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Abstract

Mimicry and laughter are two social signals displaying affiliation among people. To date, however, their relationship remains uninvestigated and relatively unexploited in designing the behaviour of robots and virtual characters. This paper presents an experiment aimed at examining how laughter and mimicry are related. The hypothesis is that hand movements a person produces during a laughter episode are mimicked through equivalent or other hand movements other participants in the interaction produce when they laugh. To investigate this, we analysed mimicry at two levels of specificity during laughter and non-laughter periods in a playful triadic social interaction. Changes in mimicry rates over the whole interaction were analysed as well as possible leader-follower relationships. Results show that hand movement rates were varied and strongly dependent on group. Even though hand movement are more frequent during laughter, mimicry does not increase. Mimicry levels, however, increase over the course of a session indicating that familiarity and comfort may increase emotional contagion.

Type: Proceedings paper
Title: Gesture Mimicry in Expression of Laughter
Event: 2015 International Conference on Affective Computing and Intelligent Interaction (ACII)
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/ACII.2015.7344642
Publisher version: http://dx.doi.org/10.1109/ACII.2015.7344642
Language: English
Additional information: Copyright © 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Keywords: behavioural sciences computing, emotion recognition, emotional contagion, gesture mimicry, hand movement rates, laughter expression, leader-follower relationships, mimicry levels, nonlaughter periods, people affiliation, playful triadic social interaction, robots behaviour, social signals, virtual characters, gesture, laughter, mimicry, social interaction, Context, Electronic mail, Games, Mouth, Observers, Robots, Visualization
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > UCL Interaction Centre
URI: https://discovery.ucl.ac.uk/id/eprint/1476180
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