The role of attention to the mouth of talking faces for vocabulary skills during toddlerhood: Does language familiarity still matter?

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dc.abstract.enThis study investigated the language expertise hypothesis on mouth-looking in toddlerhood and explored potential culture and sex effects. Polish and Norwegian 18- and-24-month-olds (N = 101; 44.55% females; data collected 2022–2024) viewed a speaker telling a story in familiar and unfamiliar languages. Toddlers showed more mouth-than-eyes looking across age groups, suggesting more mouth interest. They also showed greater mouth-looking in familiar languages, indicating language familiarity effects. Toddlers with larger vocabularies showed more mouth-looking in unfamiliar languages, possibly seeking helpful phonological-visual cues. These data show that mouth-looking continues supporting language development in toddlerhood in ways related to prior language experience. Exploratory analyses showed important differences in language acquisition and mouth-looking by language or culture and sex; potential mechanisms for such effects are discussed.
dc.affiliationBehavioural Neuroscience Lab, Institute of Psychology
dc.affiliationWydział Psychologii w Warszawie
dc.affiliationInstytut Psychologii
dc.contributor.authorLozano, Itziar
dc.contributor.authorDuszyk-Bogorodzka, Anna
dc.contributor.authorRibu, Ingeborg Sophie
dc.contributor.authorLaudańska, Zuzanna
dc.contributor.authorSzmytke, Magdalena
dc.contributor.authorDynak, Agnieszka
dc.contributor.authorFalkiewicz, Natalia
dc.contributor.authorFryzowska, Ewelina
dc.contributor.authorOgonowska, Wiktoria
dc.contributor.authorKrupa-Gaweł, Karolina
dc.contributor.authorRummelhoff, Cecilie
dc.contributor.authorLaumann, Lisa
dc.contributor.authorTomalski, Przemysław
dc.contributor.authorGram Garmann, Nina
dc.contributor.authorHaman, Ewa
dc.contributor.editorJessica Sullivan
dc.contributor.editorShauna Cooper
dc.date.access2026-03-05
dc.date.accessioned2026-04-29T10:45:29Z
dc.date.available2026-04-29T10:45:29Z
dc.date.created2025-12-31
dc.date.issued2026-03-05
dc.description.abstract<jats:title>Abstract</jats:title> <jats:p>This study investigated the language expertise hypothesis on mouth-looking in toddlerhood and explored potential culture and sex effects. Polish and Norwegian 18- and-24-month-olds (N = 101; 44.55% females; data collected 2022–2024) viewed a speaker telling a story in familiar and unfamiliar languages. Toddlers showed more mouth-than-eyes looking across age groups, suggesting more mouth interest. They also showed greater mouth-looking in familiar languages, indicating language familiarity effects. Toddlers with larger vocabularies showed more mouth-looking in unfamiliar languages, possibly seeking helpful phonological-visual cues. These data show that mouth-looking continues supporting language development in toddlerhood in ways related to prior language experience. Exploratory analyses showed important differences in language acquisition and mouth-looking by language or culture and sex; potential mechanisms for such effects are discussed.</jats:p>
dc.description.accesstimeat_publication
dc.description.sdgGoodHealthAndWellBeing
dc.description.versionfinal_published
dc.identifier.doi10.1093/chidev/aacag010
dc.identifier.eissn1467-8624
dc.identifier.issn0009-3920
dc.identifier.urihttps://share.swps.edu.pl/handle/swps/2321
dc.identifier.weblinkhttps://academic.oup.com/chidev/advance-article/doi/10.1093/chidev/aacag010/8507262
dc.languageen
dc.pbn.affiliationpsychologia
dc.rightsCC-BY
dc.rights.questionYes_rights
dc.share.articleOTHER
dc.subject.enaudiovisual speech
dc.subject.enselective attention
dc.subject.entalking faces
dc.subject.entoddlerhood
dc.subject.envocabulary
dc.subject.eneye-tracking
dc.swps.sciencecloudnosend
dc.titleThe role of attention to the mouth of talking faces for vocabulary skills during toddlerhood: Does language familiarity still matter?
dc.title.journalChild Development
dc.typeJournalArticle
dspace.entity.typeArticle