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Reproducibility of Brain Responses: High for Speech Perception, Low for Reading Difficulties
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In: Scientific Reports (2019)
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| 2 |
Visual attention span performance in German-speaking children with differential reading and spelling profiles: No evidence of group differences
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In: PLOS One (2018)
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| 3 |
Does the late positive component reflect successful reading acquisition? A longitudinal ERP study
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In: Neuroimage-Clinical (2018)
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Abstract:
Developmental dyslexia is a reading disorder that is associated with deficits in phonological processing, where the exact neural basis for those processing deficits remains unclear. In particular, disagreement exists whether degraded phonological representations or an impaired access to the phonological representations causes these deficits. To investigate this question and to trace changes in neurophysiology during the process of reading acquisition, we designed a longitudinal study with event related potentials (ERPs) in children between kindergarten and second grade. We used an explicit word processing task to elicit the late positive component (LPC), which has been shown to reflect phonological processing. A brain-wide analysis of the LPC with an electrode-wise application of mixed effects models showed significantly attenuated amplitudes in the left temporo-parietal region in dyslexic children. Since these differences were only present in the word and not in the picture (i.e. control) condition, the attenuated amplitudes might reflect impaired access to the phonological representations of words. This was further confirmed by the longitudinal development, which showed a rapid increase in amplitude at the beginning of reading instruction and a decrease with continuing automatization, possibly pointing to a progression from grapheme-phoneme parsing to whole word reading. Our longitudinal study provides the first evidence that it is possible to detect neurophysiological differences in the LPC between children with dyslexia and control children in both preliterate and very early stages of reading acquisition, providing new insights about the neurophysiological development and a potential marker of later reading problems.
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Keyword:
ddc:610; Medizin
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URL: https://epub.ub.uni-muenchen.de/64447/1/64447.pdf
http://nbn-resolving.de/urn:nbn:de:bvb:19-epub-64447-3
https://epub.ub.uni-muenchen.de/64447/
https://doi.org/10.1016/j.nicl.2017.10.014
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| 4 |
Deficits in Letter-Speech Sound Associations but Intact Visual Conflict Processing in Dyslexia: Results from a Novel ERP-Paradigm
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In: Frontiers in Human Neuroscience (2017)
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| 5 |
What does the brain of children with developmental dyslexia tell us about reading improvement? ERP evidence from an intervention study
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In: Frontiers in Human Neuroscience (2014)
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| 6 |
The time course of reading processes in children with and without dyslexia: an ERP study
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In: Frontiers in human neuroscience (2013)
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| 7 |
Evidence for the late MMN as a neurophysiological endophenotype for dyslexia.
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In: PLOS ONE (2012)
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