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Functional and Anatomical Adaptations in Multilingual Language Users
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Semantic word integration in children with cochlear implants: electrophysiological evidence ...
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Semantic word integration in children with cochlear implants: electrophysiological evidence ...
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Effects of Age on American Sign Language Sentence Repetition
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In: Psychol Aging (2020)
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Cortical encoding of manual articulatory and linguistic features in American Sign Language
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In: Curr Biol (2020)
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Abstract:
The fluent production of a signed language requires exquisite coordination of sensory, motor, and cognitive processes. Similar to speech production, language produced with the hands by fluent signers appears effortless, but reflects the precise coordination of both large-scale and local cortical networks. The organization and representational structure of sensorimotor features underlying sign language phonology in these networks is unknown. Here, we present a unique case study of high-density electrocorticography (ECoG) recordings from the cortical surface of profoundly deaf signer during awake craniotomy. While neural activity was recorded from sensorimotor cortex, the participant produced a large variety of movements in linguistic and transitional movement contexts. We found that at both single electrode and neural population levels, high-gamma activity reflected tuning for particular hand, arm, and face movements, which were organized along dimensions that are relevant for phonology in sign language. Decoding of manual sensorimotor features revealed a clear functional organization and population dynamics for these highly-practiced movements. Furthermore, neural activity clearly differentiated linguistic and transitional movements, demonstrating encoding of language-relevant articulatory features. These results provide a novel and unique view of the fine-scale dynamics of complex and meaningful sensorimotor actions.
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7674262/ http://www.ncbi.nlm.nih.gov/pubmed/32888480 https://doi.org/10.1016/j.cub.2020.08.048
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A Novel EEG Paradigm to Simultaneously and Rapidly Assess the Functioning of Auditory and Visual Pathways
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A novel EEG paradigm to simultaneously and rapidly assess the functioning of auditory and visual pathways
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In: J Neurophysiol (2019)
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Putting underspecification in context: ERP evidence for sparse representations in morphophonological alternations
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Distinguishing underlying and surface variation patterns in speech perception ...
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Distinguishing underlying and surface variation patterns in speech perception ...
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Distinguishing underlying and surface variation patterns in speech perception ...
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Distinguishing underlying and surface variation patterns in speech perception
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Putting underspecification in context: ERP evidence for sparse representations in morphophonological alternations
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Auditory and Visual Electrophysiology of Deaf Children with Cochlear Implants: Implications for Cross-modal Plasticity
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Embodiment and American Sign Language Exploring sensory-motor influences in the recognition of American Sign Language
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Deaf Readers’ Response to Syntactic Complexity: Evidence from Self-Paced Reading
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