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Increased discriminability of authenticity from multimodal laughter is driven by auditory information

Lavan, N; McGettigan, C; (2017) Increased discriminability of authenticity from multimodal laughter is driven by auditory information. Quarterly Journal of Experimental Psychology , 70 (10) pp. 2159-2168. 10.1080/17470218.2016.1226370. Green open access

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Abstract

We present an investigation of the perception of authenticity in audiovisual laughter, in which we contrast spontaneous and volitional samples and examine the contributions of unimodal affective information to multimodal percepts. In a pilot study, we demonstrate that listeners perceive spontaneous laughs as more authentic than volitional ones, both in unimodal (audio-only, visual-only) and multimodal contexts (audiovisual). In the main experiment, we show that the discriminability of volitional and spontaneous laughter is enhanced for multimodal laughter. Analyses of relationships between affective ratings and the perception of authenticity show that, while both unimodal percepts significantly predict evaluations of audiovisual laughter, it is auditory affective cues that have the greater influence on multimodal percepts. We discuss differences and potential mismatches in emotion signalling through voices and faces, in the context of spontaneous and volitional behaviour, and highlight issues that should be addressed in future studies of dynamic multimodal emotion processing.

Type: Article
Title: Increased discriminability of authenticity from multimodal laughter is driven by auditory information
Open access status: An open access version is available from UCL Discovery
DOI: 10.1080/17470218.2016.1226370
Publisher version: http://doi.org/10.1080/17470218.2016.1226370
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Audiovisual, Authenticity, Dynamic, Laughter, Perception
UCL classification: UCL
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 > Speech, Hearing and Phonetic Sciences
URI: https://discovery.ucl.ac.uk/id/eprint/10065041
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