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

StatusVoR
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Authors
Lozano, Itziar
Duszyk-Bogorodzka, Anna
Ribu, Ingeborg Sophie
Laudańska, Zuzanna
Szmytke, Magdalena
Dynak, Agnieszka
Falkiewicz, Natalia
Fryzowska, Ewelina
Ogonowska, Wiktoria
Krupa-Gaweł, Karolina
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Date
2026-03-05
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Child Development
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DOI
ISSN
0009-3920
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https://academic.oup.com/chidev/advance-article/doi/10.1093/chidev/aacag010/8507262
Access date
2026-03-05
Abstract PL
Abstract EN
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.
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Keywords PL
Keywords EN
audiovisual speech
selective attention
talking faces
toddlerhood
vocabulary
eye-tracking
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Sustainable Development Goals
SDG 3. Good Health and Well-being
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https://share.swps.edu.pl/handle/swps/2321
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cc-by
Except as otherwise noted, this item is licensed under the Attribution licence | Permitted use of copyrighted works
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The role of attention to the mouth of talking faces for vocabulary skills during toddlerhood: Does language familiarity still matter?
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