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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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General principles governing the amount of neuroanatomical overlap between languages in bilinguals
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In: Neurosci Biobehav Rev (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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Factors Modifying the Amount of Neuroanatomical Overlap between Languages in Bilinguals—A Systematic Review of Neurosurgical Language Mapping Studies
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In: Brain Sci (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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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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Increased subcortical neural activity among HIV+ individuals during a lexical retrieval task.
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In: Neurobiology of disease, vol 92, iss Pt B (2016)
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INCREASED SUBCORTICAL NEURAL ACTIVITY AMONG HIV+ INDIVIDUALS DURING A LEXICAL RETRIEVAL TASK
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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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Altered integration of speech and gesture in children with autism spectrum disorders
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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:
Original Research
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URL: https://doi.org/10.1002/brb3.81 http://www.ncbi.nlm.nih.gov/pubmed/23139906 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3489813
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Amygdala reactivity in healthy adults is correlated with prefrontal cortical thickness
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Neurodevelopmental Changes in Verbal Working Memory Load-Dependency: An fMRI Investigation
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