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Lack of neural evidence for implicit language learning in 9-month-old infants at high risk for autism
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In: Dev Sci (2021)
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Emerging atypicalities in functional connectivity of language-related networks in young infants at high familial risk for ASD.
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Defining and distinguishing infant behavioral states using acoustic cry analysis: is colic painful?
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In: Pediatric research, vol 87, iss 3 (2020)
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Emerging atypicalities in functional connectivity of language-related networks in young infants at high familial risk for ASD
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In: Dev Cogn Neurosci (2020)
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Neural Networks for Language Learning in Infancy: Altered Developmental Trajectories in Infants at High Risk for Autism Spectrum Disorder
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Liu, Janelle. - : eScholarship, University of California, 2019
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Defining and distinguishing infant behavioral states using acoustic cry analysis: is colic painful?
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Altered Lateralization of Dorsal Language Tracts in 6-Week-Old Infants at Risk for Autism
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Development of the Default Mode and Central Executive Networks Across Early Adolescence: a Longitudinal Study
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Neural responses to witnessing peer rejection after being socially excluded: fMRI as a window into adolescents' emotional processing.
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In: Developmental science, vol 16, iss 5 (2013)
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Altered integration of speech and gesture in children with autism spectrum disorders.
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In: Brain and behavior, vol 2, iss 5 (2012)
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Abstract:
The presence of gesture during speech has been shown to impact perception, comprehension, learning, and memory in normal adults and typically developing children. In neurotypical individuals, the impact of viewing co-speech gestures representing an object and/or action (i.e., iconic gesture) or speech rhythm (i.e., beat gesture) has also been observed at the neural level. Yet, despite growing evidence of delayed gesture development in children with autism spectrum disorders (ASD), few studies have examined how the brain processes multimodal communicative cues occurring during everyday communication in individuals with ASD. Here, we used a previously validated functional magnetic resonance imaging (fMRI) paradigm to examine the neural processing of co-speech beat gesture in children with ASD and matched controls. Consistent with prior observations in adults, typically developing children showed increased responses in right superior temporal gyrus and sulcus while listening to speech accompanied by beat gesture. Children with ASD, however, exhibited no significant modulatory effects in secondary auditory cortices for the presence of co-speech beat gesture. Rather, relative to their typically developing counterparts, children with ASD showed significantly greater activity in visual cortex while listening to speech accompanied by beat gesture. Importantly, the severity of their socio-communicative impairments correlated with activity in this region, such that the more impaired children demonstrated the greatest activity in visual areas while viewing co-speech beat gesture. These findings suggest that although the typically developing brain recognizes beat gesture as communicative and successfully integrates it with co-occurring speech, information from multiple sensory modalities is not effectively integrated during social communication in the autistic brain.
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Keyword:
Autism spectrum disorders; Cognitive Sciences; fMRI; gesture; language; Neurosciences; Psychology; superior temporal gyrus
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URL: https://escholarship.org/uc/item/56h4324h
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Altered integration of speech and gesture in children with autism spectrum disorders
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fMRI of syntactic processing in typically developing children: structural correlates in the inferior frontal gyrus.
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In: Developmental cognitive neuroscience, vol 1, iss 3 (2011)
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Age and experience shape developmental changes in the neural basis of language-related learning
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Giving Speech a Hand: Gesture Modulates Activity in Auditory Cortex During Speech Perception
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Developmental changes in the neural basis of interpreting communicative intent
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