Right hemisphere contribution to developmental language disorder - Neuroanatomical and behavioral evidence

Elena Plante, Carol Boliek, Nidhi Mahendra, Jill Story, Kristen Glaspey

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Developmental language disorder (DLD) is identified by virtue of the verbal deficits that define it. However, numerous studies have also documented nonverbal deficits in this population. This study attempts to explain the co-occurrence of both verbal and nonverbal deficits in this population from a brain-based perspective. Two samples of adults selected for DLD were compared with subjects without such a history on verbal and nonverbal skills in exploratory and confirmatory studies. Subjects also received MRI scans, which were used to determine the relation between left- and right-hemisphere regions hypothesized to relate to the behavioral skills tested. Results revealed replicable differences between groups on both verbal and nonverbal tasks. In addition, a significant association between performance on tests sensitive to facial affect and spatial rotation with the gray matter volume within the right supramarginal gyrus was found in both samples. These results support the hypothesis of a right hemisphere contribution to the profile of DLD. Learning outcomes: As a result of this activity, the participant will be able to describe evidence in support of a role for the right hemisphere in DLD.

Original languageEnglish (US)
Pages (from-to)415-436
Number of pages22
JournalJournal of Communication Disorders
Issue number5
StatePublished - 2001


  • Brain
  • Language disorder
  • Learning disability
  • MRI
  • Specific language impairment

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Linguistics and Language
  • Cognitive Neuroscience
  • LPN and LVN
  • Speech and Hearing


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