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1
Efficiency of scanning and attention to faces in infancy independently predict language development in a multiethnic and bilingual sample of 2-year-olds
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2
Language experience influences audiovisual speech integration in unimodal and bimodal bilingual infants
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3
Socioeconomic status and functional brain development - associations in early infancy.
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4
Brain responses and looking behavior during audiovisual speech integration in infants predict auditory speech comprehension in the second year of life.
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5
Exploring early developmental changes in face scanning patterns during the perception of audiovisual mismatch of speech cues
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6
Brain responses to audiovisual speech mismatch in infants are associated with individual differences in looking behaviour.
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7
Brain responses to audiovisual speech mismatch in infants are associated with individual differences in looking behaviour
Abstract: Research on audiovisual speech integration has reported high levels of individual variability, especially among young infants. In the present study we tested the hypothesis that this variability results from individual differences in the maturation of audiovisual speech processing during infancy. A developmental shift in selective attention to audiovisual speech has been demonstrated between 6 and 9 months with an increase in the time spent looking to articulating mouths as compared to eyes (Lewkowicz & Hansen-Tift. (2012) Proc. Natl Acad. Sci. USA, 109, 1431–1436; Tomalski et al. (2012) Eur. J. Dev. Psychol., 1–14). In the present study we tested whether these changes in behavioural maturational level are associated with differences in brain responses to audiovisual speech across this age range. We measured high-density event-related potentials (ERPs) in response to videos of audiovisually matching and mismatched syllables /ba/ and /ga/, and subsequently examined visual scanning of the same stimuli with eye-tracking. There were no clear age-specific changes in ERPs, but the amplitude of audiovisual mismatch response (AVMMR) to the combination of visual /ba/ and auditory /ga/ was strongly negatively associated with looking time to the mouth in the same condition. These results have significant implications for our understanding of individual differences in neural signatures of audiovisual speech processing in infants, suggesting that they are not strictly related to chronological age but instead associated with the maturation of looking behaviour, and develop at individual rates in the second half of the first year of life.
URL: https://westminsterresearch.westminster.ac.uk/item/8yw53/brain-responses-to-audiovisual-speech-mismatch-in-infants-are-associated-with-individual-differences-in-looking-behaviour
https://doi.org/10.1111/ejn.12317
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8
Exploring early developmental changes in face scanning patterns during the perception of audiovisual mismatch of speech cues
Murphy, E.; Ribeiro, H.; Moore, D.G.. - : Taylor & Francis, 2013
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9
Brain responses and looking behavior during audiovisual speech integration in infants predict auditory speech comprehension in the second year of life
Kushnerenko, E.; Tomalski, P.; Ballieux, H.. - : Frontiers, 2013
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