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The Spelling Errors of French and English Children With Developmental Language Disorder at the End of Primary School
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In: Front Psychol (2020)
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Teachers’ reported practices for teaching writing in England
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Word production errors in children with developmental language impairments
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Phonological deficits in specific language impairment and developmental dyslexia: towards a multidimensional model
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Phonological deficits in specific language impairment and developmental dyslexia: towards a multidimensional model
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Short-Term Memory in Signed Languages: Not Just a Disadvantage for Serial Recall
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Who did Buzz see someone? Grammaticality judgement of wh-questions in typically developing children and children with Grammatical-SLI
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Neural Correlates of Sublexical Processing in Phonological Working Memory
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Abstract:
This study investigated links between working memory and speech processing systems. We used delayed pseudoword repetition in fMRI to investigate the neural correlates of sublexical structure in phonological working memory (pWM). We orthogonally varied the number of syllables and consonant clusters in auditory pseudowords and measured the neural responses to these manipulations under conditions of covert rehearsal (Experiment 1). A left-dominant network of temporal and motor cortex showed increased activity for longer items, with motor cortex only showing greater activity concomitant with adding consonant clusters. An individual-differences analysis revealed a significant positive relationship between activity in the angular gyrus and the hippocampus, and accuracy on pseudoword repetition. As models of pWM stipulate that its neural correlates should be activated during both perception and production/rehearsal [Buchsbaum, B. R., & D’Esposito, M. The search for the phonological store: From loop to convolution. Journal of Cognitive Neuroscience, 20, 762–778, 2008; Jacquemot, C., & Scott, S. K. What is the relationship between phonological short-term memory and speech processing? Trends in Cognitive Sciences, 10, 480–486, 2006; Baddeley, A. D., & Hitch, G. Working memory. In G. H. Bower (Ed.), The psychology of learning and motivation: Advances in research and theory (Vol. 8, pp. 47–89). New York: Academic Press, 1974], we further assessed the effects of the two factors in a separate passive listening experiment (Experiment 2). In this experiment, the effect of the number of syllables was concentrated in posterior–medial regions of the supratemporal plane bilaterally, although there was no evidence of a significant response to added clusters. Taken together, the results identify the planum temporale as a key region in pWM; within this region, representations are likely to take the form of auditory or audiomotor “templates” or “chunks” at the level of the syllable [Papoutsi, M., de Zwart, J. A., Jansma, J. M., Pickering, M. J., Bednar, J. A., & Horwitz, B. From phonemes to articulatory codes: an fMRI study of the role of Broca’s area in speech production. Cerebral Cortex, 19, 2156–2165, 2009; Warren, J. E., Wise, R. J. S., & Warren, J. D. Sounds do-able: auditory–motor transformations and the posterior temporal plane. Trends in Neurosciences, 28, 636–643, 2005; Griffiths, T. D., & Warren, J. D. The planum temporale as a computational hub. Trends in Neurosciences, 25, 348–353, 2002], whereas more lateral structures on the STG may deal with phonetic analysis of the auditory input [Hickok, G. The functional neuroanatomy of language. Physics of Life Reviews, 6, 121–143, 2009].
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Keyword:
Article
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URL: http://www.ncbi.nlm.nih.gov/pubmed/20350182
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3376447
https://doi.org/10.1162/jocn.2010.21491
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