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  • Altered gray matter volumes in language-associated regions in children with developmental language disorder and speech sound disorder

    Author(s)
    Kurth, Florian
    Luders, Eileen
    Pigdon, Lauren
    Conti-Ramsden, Gina
    Reilly, Sheena
    Morgan, Angela T
    Griffith University Author(s)
    Reilly, Sheena
    Year published
    2018
    Metadata
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    Abstract
    Developmental language disorder (DLD) and speech sound disorder (SSD) are common, and although scientific evidence for structural and functional alterations in DLD/SSD is accumulating, current neuroimaging studies provide an incongruent picture. Here, we hypothesized that children affected by DLD and SSD present with gray matter (or gray matter asymmetry) aberrations in brain areas associated with language processing compared to typically developing (TD) children. To assess this hypothesis, we enhanced MRI‐based information with microscopically defined cytoarchitectonic probabilities of Broca’s area (BA 45, BA 44) as well ...
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    Developmental language disorder (DLD) and speech sound disorder (SSD) are common, and although scientific evidence for structural and functional alterations in DLD/SSD is accumulating, current neuroimaging studies provide an incongruent picture. Here, we hypothesized that children affected by DLD and SSD present with gray matter (or gray matter asymmetry) aberrations in brain areas associated with language processing compared to typically developing (TD) children. To assess this hypothesis, we enhanced MRI‐based information with microscopically defined cytoarchitectonic probabilities of Broca’s area (BA 45, BA 44) as well as an auditory area (TE 3.0). We detected a larger rightward gray matter asymmetry in BA 45 in children with DLD (n = 13) and with SSD (n = 18) compared to TD children (n = 18), albeit only on a trend level. Interestingly though, we observed significantly larger gray matter volumes in right BA 45 in DLD compared to SSD children (and also compared to TD children).
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    Journal Title
    Developmental Psychobiology
    Volume
    60
    Issue
    7
    DOI
    https://doi.org/10.1002/dev.21762
    Subject
    Psychology
    Cognitive and computational psychology
    Publication URI
    http://hdl.handle.net/10072/381748
    Collection
    • Journal articles

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