Relationship between receptive vocabulary and the neural substrates for story processing in preschoolers
Authors:
- CMIND Authorship ConsortiumCCCMIND Authorship Consortium
- Jennifer VannestJVJennifer Vannest
- Thomas C. MaloneyTMThomas C. Maloney
- 23 December 2014
- journal article
- Published by Springer Nature in Brain Imaging and Behavior
- Vol. 9 (1) , 43-55
Abstract
A left-lateralized fronto-temporo-parietal language network has been well-characterized in adults; however, the neural basis of this fundamental network has hardly been explored in the preschool years, despite this being a time for rapid language development and vocabulary growth. We examined the functional imaging correlates associated with vocabulary ability and narrative comprehension in 30 preschool children ages 3 to 5. Bilateral auditory cortex and superior temporal activation as well as left angular and supramarginal gyrus activation were observed during a passive listening-to-stories task. Boys showed greater activation than girls in the right anterior cingulate and right superior frontal gyrus (SFG). Finally, children with higher vocabulary scores showed increased grey matter left-lateralization and greater activation in bilateral thalamus, hippocampus, and left angular gyrus. This study is novel in its approach to relate left-hemisphere language regions and vocabulary scores in preschool-aged children using fMRI.Keywords
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