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Associated functional network development and language abilities in children ...
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Associated functional network development and language abilities in children
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In: Neuroimage (2021)
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Aberrant Prestimulus Oscillations in Developmental Dyslexia Support an Underlying Attention Shifting Deficit
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In: Cereb Cortex Commun (2020)
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Cortical thickness lateralization and its relation to language abilities in children
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Dyslexia risk gene relates to representation of sound in the auditory brainstem
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Dyslexia risk gene relates to representation of sound in the auditory brainstem
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ATP2C2 and DYX1C1 are putative modulators of dyslexia-related MMR
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Phonological abilities in literacy-impaired children: Brain potentials reveal deficient phoneme discrimination, but intact prosodic processing
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Abstract:
Intact phonological processing is crucial for successful literacy acquisition. While individuals with difficulties in reading and spelling (i.e., developmental dyslexia) are known to experience deficient phoneme discrimination (i.e., segmental phonology), findings concerning their prosodic processing (i.e., suprasegmental phonology) are controversial. Because there are no behavior-independent studies on the underlying neural correlates of prosodic processing in dyslexia, these controversial findings might be explained by different task demands. To provide an objective behavior-independent picture of segmental and suprasegmental phonological processing in impaired literacy acquisition, we investigated event-related brain potentials during passive listening in typically and poor-spelling German school children. For segmental phonology, we analyzed the Mismatch Negativity (MMN) during vowel length discrimination, capturing automatic auditory deviancy detection in repetitive contexts. For suprasegmental phonology, we analyzed the Closure Positive Shift (CPS) that automatically occurs in response to prosodic boundaries. Our results revealed spelling group differences for the MMN, but not for the CPS, indicating deficient segmental, but intact suprasegmental phonological processing in poor spellers. The present findings point towards a differential role of segmental and suprasegmental phonology in literacy disorders and call for interventions that invigorate impaired literacy by utilizing intact prosody in addition to training deficient phonemic awareness.
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Keyword:
Original Research
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URL: http://www.ncbi.nlm.nih.gov/pubmed/28011436 https://doi.org/10.1016/j.dcn.2016.11.007 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6987698/
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Genetic dyslexia risk variant is related to neural connectivity patterns underlying phonological awareness in children
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Cooking from cold to hot: goal-directedness in simulation and language
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Impact of phonological processing skills on written language acquisition in illiterate adults
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