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Modelling the informativeness and timing of non-verbal cues in parent–child interaction
Stockholm University, Faculty of Humanities, Department of Linguistics, Computational Linguistics.ORCID iD: 0000-0002-9447-8544
Stockholm University, Faculty of Humanities, Department of Linguistics, Computational Linguistics.ORCID iD: 0000-0003-4040-3544
University of Helsinki, Finland.ORCID iD: 0000-0002-6027-4156
2016 (English)In: Proceedings of the 7th Workshop on Cognitive Aspects of Computational Language Learning, Stroudsburg, PA, USA: Association for Computational Linguistics, 2016, 82-90 p.Conference paper (Refereed)
Abstract [en]

How do infants learn the meanings of their first words? This study investigates the informativeness and temporal dynamics of non-verbal cues that signal the speaker's referent in a model of early word–referent mapping. To measure the information provided by such cues, a supervised classifier is trained on information extracted from a multimodally annotated corpus of 18 videos of parent–child interaction with three children aged 7 to 33 months. Contradicting previous research, we find that gaze is the single most informative cue, and we show that this finding can be attributed to our fine-grained temporal annotation. We also find that offsetting the timing of the non-verbal cues reduces accuracy, especially if the offset is negative. This is in line with previous research, and suggests that synchrony between verbal and non-verbal cues is important if they are to be perceived as causally related.

Place, publisher, year, edition, pages
Stroudsburg, PA, USA: Association for Computational Linguistics, 2016. 82-90 p.
Keyword [en]
Language acquisition, cognitive modelling, parent–child interaction, non-verbal cues
National Category
General Language Studies and Linguistics Language Technology (Computational Linguistics)
Research subject
Computational Linguistics
Identifiers
URN: urn:nbn:se:su:diva-133405ISBN: 978-1-945626-07-4OAI: oai:DiVA.org:su-133405DiVA: diva2:960120
Conference
The 54th Annual Meeting of the Association for Computational Linguistics, Berlin, Germany, August 11, 2016
Projects
Modelling the emergence of linguistic structures in early childhood
Funder
Swedish Research Council, 2011-675-86010-31
Available from: 2016-09-07 Created: 2016-09-06 Last updated: 2016-09-07Bibliographically approved

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Nilsson Björkenstam, KristinaWirén, MatsÖstling, Robert
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