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Can an Online Reading Camp Teach 5-Year-Old Children to Read?
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In: Front Hum Neurosci (2022)
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Designing Virtual, Moderated Studies of Early Childhood Development
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In: Front Psychol (2021)
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Auditory deficits in infants at risk for dyslexia during a linguistic sensitive period predict future language
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In: Neuroimage Clin (2021)
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The Effects of Age, Dosage, and Poverty on Second Language Learning through SparkLing(TM) in Infant Education Centers in Madrid, Spain
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In: Int J Environ Res Public Health (2021)
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Exposure to a second language in infancy alters speech production
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In: Biling (Camb Engl) (2020)
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Using magnetoencephalography to examine word recognition, lateralization, and future language skills in 14-month-old infants
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In: Dev Cogn Neurosci (2020)
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Abstract:
Word learning is a significant milestone in language acquisition. The second year of life marks a period of dramatic advances in infants’ expressive and receptive word-processing abilities. Studies show that in adulthood, language processing is left-hemisphere dominant. However, adults learning a second language activate right-hemisphere brain functions. In infancy, acquisition of a first language involves recruitment of bilateral brain networks, and strong left-hemisphere dominance emerges by the third year. In the current study we focus on 14-month-old infants in the earliest stages of word learning using infant magnetoencephalography (MEG) brain imagining to characterize neural activity in response to familiar and unfamiliar words. Specifically, we examine the relationship between right-hemisphere brain responses and prospective measures of vocabulary growth. As expected, MEG source modeling revealed a broadly distributed network in frontal, temporal and parietal cortex that distinguished word classes between 150–900 ms after word onset. Importantly, brain activity in the right frontal cortex in response to familiar words was highly correlated with vocabulary growth at 18, 21, 24, and 27 months. Specifically, higher activation to familiar words in the 150–300 ms interval was associated with faster vocabulary growth, reflecting processing efficiency, whereas higher activation to familiar words in the 600–900 ms interval was associated with slower vocabulary growth, reflecting cognitive effort. These findings inform research and theory on the involvement of right frontal cortex in specific cognitive processes and individual differences related to attention that may play an important role in the development of left-lateralized word processing.
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Keyword:
Original Research
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7773883/ http://www.ncbi.nlm.nih.gov/pubmed/33360832 https://doi.org/10.1016/j.dcn.2020.100901
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Exploring the spatiotemporal dynamics of on-line sentence comprehension in 5-year-olds: The role of semantic context in syntactic processing and behavioral correlates of MEG-recorded brain activity
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Executive Function Skills in English Monolinguals and Mandarin-English Bilinguals
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Incongruent pitch cues are associated with increased activation and functional connectivity in the frontal areas
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Two are better than one: Infant language learning from video improves in the presence of peers
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Look Who’s Talking NOW! Parentese Speech, Social Context, and Language Development Across Time
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Social Interaction in Infants’ Learning of Second-Language Phonetics: An Exploration of Brain-Behavior Relations
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Short-term musical intervention enhances infants' neural processing of temporal structure in music and speech
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Infants’ brain responses to speech suggest Analysis by Synthesis
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Look who’s talking: speech style and social context in language input to infants are linked to concurrent and future speech development
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Brain Responses to Words in 2-Year-Olds with Autism Predict Developmental Outcomes at Age 6 ...
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