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Planum Temporale Morphology in Children with Developmental Dyslexia
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Abstract:
The planum temporale is a highly lateralized cortical region, located within Wernicke’s area, which is thought to be involved in auditory processing, phonological processing, and language. Research has linked abnormal morphology of the planum temporale to developmental dyslexia, although results have varied in large part due to methodological inconsistencies in the literature. This study examined the asymmetry of the planum temporale in 29 children who met criteria for dyslexia and 26 children whose reading was unimpaired. Leftward asymmetry of the planum temporale was found in the total sample and this leftward asymmetry was significantly reduced in children with dyslexia. This reduced leftward asymmetry in children with dyslexia was due to a planum temporale that is larger in the right hemisphere. This study lends support to the idea that planum temporale asymmetry is altered in children with developmental dyslexia.
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Article
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URL: http://www.ncbi.nlm.nih.gov/pubmed/23707683 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3799899 https://doi.org/10.1016/j.neuropsychologia.2013.05.012
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The Aromatase Gene CYP19A1: Several Genetic and Functional Lines of Evidence Supporting a Role in Reading, Speech and Language
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The pars triangularis in dyslexia and ADHD: A comprehensive approach.
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In: Publications (2009)
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The relationship between cerebral hemisphere volume and receptive language functioning in dyslexia and attention-deficit hyperactivity disorder (ADHD).
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In: Publications (2009)
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The Pars Triangularis in Dyslexia and ADHD: A Comprehensive Approach
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A Quantitative Magnetic Resonance Imaging Analysis of the Cerebellar Deficit Hypothesis of Dyslexia
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In: Publications (2008)
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