No Difference in Face Scanning Patterns between Monolingual and Bilingual Infants at 5 Months of Age

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Title: No Difference in Face Scanning Patterns between Monolingual and Bilingual Infants at 5 Months of Age
Language: English
Authors: Charlotte Viktorsson (ORCID 0000-0003-2727-2957), Terje Falck-Ytter
Source: Developmental Science. 2026 29(2).
Availability: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
Peer Reviewed: Y
Page Count: 11
Publication Date: 2026
Document Type: Journal Articles
Reports - Research
Descriptors: Monolingualism, Bilingualism, Infants, Eye Movements, Human Body, Attention, Vocabulary Development, Toddlers, Correlation, Receptive Language, Foreign Countries, Twins
Geographic Terms: Sweden (Stockholm)
DOI: 10.1111/desc.70117
ISSN: 1363-755X
1467-7687
Abstract: It has been suggested that bilinguals take greater advantage of visual speech cues than monolinguals. Therefore, in a sample of 474 (47.3% females) monolingual and 101 (48.5% females) bilingual infants at 5 months of age, we examined the tendency to look at the eyes versus the mouth of dynamic faces, as well as the latency and ratio of looking at a static face interspersed with non-social objects. No significant differences were found for these measures, suggesting that monolingual and bilingual infants orient to and scan faces in a similar way. Although no association was found between the tendency to look at eyes versus mouth at 5 months and vocabulary at 24 and 36 months, a higher tendency to look at the eyes was related to a larger receptive vocabulary at 14 months, but only in the monolingual group ([beta] = 0.15, 95% CI: 0.04; 0.27, p = 0.011). However, the difference in beta values of this association between mono- and bilinguals was not statistically significant. In conclusion, we did not find support for the hypothesis that bilingual infants rely on visual speech cues from the mouth more than monolinguals do, and there was no association between the tendency to look at eyes versus mouth and later language development in the bilingual group.
Abstractor: As Provided
Entry Date: 2026
Accession Number: EJ1498367
Database: ERIC
FullText Text:
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  Data: No Difference in Face Scanning Patterns between Monolingual and Bilingual Infants at 5 Months of Age
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  Data: English
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  Data: <searchLink fieldCode="AR" term="%22Charlotte+Viktorsson%22">Charlotte Viktorsson</searchLink> (ORCID <externalLink term="https://orcid.org/0000-0003-2727-2957">0000-0003-2727-2957</externalLink>)<br /><searchLink fieldCode="AR" term="%22Terje+Falck-Ytter%22">Terje Falck-Ytter</searchLink>
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  Data: <searchLink fieldCode="SO" term="%22Developmental+Science%22"><i>Developmental Science</i></searchLink>. 2026 29(2).
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  Data: Wiley. Available from: John Wiley & Sons, Inc. 111 River Street, Hoboken, NJ 07030. Tel: 800-835-6770; e-mail: cs-journals@wiley.com; Web site: https://www.wiley.com/en-us
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  Data: 11
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  Data: <searchLink fieldCode="DE" term="%22Monolingualism%22">Monolingualism</searchLink><br /><searchLink fieldCode="DE" term="%22Bilingualism%22">Bilingualism</searchLink><br /><searchLink fieldCode="DE" term="%22Infants%22">Infants</searchLink><br /><searchLink fieldCode="DE" term="%22Eye+Movements%22">Eye Movements</searchLink><br /><searchLink fieldCode="DE" term="%22Human+Body%22">Human Body</searchLink><br /><searchLink fieldCode="DE" term="%22Attention%22">Attention</searchLink><br /><searchLink fieldCode="DE" term="%22Vocabulary+Development%22">Vocabulary Development</searchLink><br /><searchLink fieldCode="DE" term="%22Toddlers%22">Toddlers</searchLink><br /><searchLink fieldCode="DE" term="%22Correlation%22">Correlation</searchLink><br /><searchLink fieldCode="DE" term="%22Receptive+Language%22">Receptive Language</searchLink><br /><searchLink fieldCode="DE" term="%22Foreign+Countries%22">Foreign Countries</searchLink><br /><searchLink fieldCode="DE" term="%22Twins%22">Twins</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22Sweden+%28Stockholm%29%22">Sweden (Stockholm)</searchLink>
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  Data: 10.1111/desc.70117
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  Data: 1363-755X<br />1467-7687
– Name: Abstract
  Label: Abstract
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  Data: It has been suggested that bilinguals take greater advantage of visual speech cues than monolinguals. Therefore, in a sample of 474 (47.3% females) monolingual and 101 (48.5% females) bilingual infants at 5 months of age, we examined the tendency to look at the eyes versus the mouth of dynamic faces, as well as the latency and ratio of looking at a static face interspersed with non-social objects. No significant differences were found for these measures, suggesting that monolingual and bilingual infants orient to and scan faces in a similar way. Although no association was found between the tendency to look at eyes versus mouth at 5 months and vocabulary at 24 and 36 months, a higher tendency to look at the eyes was related to a larger receptive vocabulary at 14 months, but only in the monolingual group ([beta] = 0.15, 95% CI: 0.04; 0.27, p = 0.011). However, the difference in beta values of this association between mono- and bilinguals was not statistically significant. In conclusion, we did not find support for the hypothesis that bilingual infants rely on visual speech cues from the mouth more than monolinguals do, and there was no association between the tendency to look at eyes versus mouth and later language development in the bilingual group.
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        Value: 10.1111/desc.70117
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      – Text: English
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        PageCount: 11
    Subjects:
      – SubjectFull: Monolingualism
        Type: general
      – SubjectFull: Bilingualism
        Type: general
      – SubjectFull: Infants
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      – SubjectFull: Eye Movements
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      – SubjectFull: Human Body
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      – SubjectFull: Attention
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      – SubjectFull: Vocabulary Development
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      – SubjectFull: Toddlers
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      – SubjectFull: Correlation
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      – SubjectFull: Receptive Language
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      – SubjectFull: Foreign Countries
        Type: general
      – SubjectFull: Twins
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      – SubjectFull: Sweden (Stockholm)
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      – TitleFull: No Difference in Face Scanning Patterns between Monolingual and Bilingual Infants at 5 Months of Age
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            NameFull: Terje Falck-Ytter
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