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ERIC Number: EJ1003518
Record Type: Journal
Publication Date: 2013-Feb
Pages: 10
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0093-934X
Age, Sex, and Verbal Abilities Affect Location of Linguistic Connectivity in Ventral Visual Pathway
Burman, Douglas D.; Minas, Taylor; Bolger, Donald J.; Booth, James R.
Brain and Language, v124 n2 p184-193 Feb 2013
Previous studies have shown that the "strength" of connectivity between regions can vary depending upon the cognitive demands of a task. In this study, the "location" of task-dependent connectivity from the primary visual cortex (V1) was examined in 43 children (ages 9-15) performing visual tasks; connectivity maxima were identified for a visual task requiring a linguistic (orthographic) judgment. Age, sex, and verbal IQ interacted to affect maxima location. Increases in age and verbal IQ produced similar shifts in maxima location; in girls, connectivity maxima shifted primarily laterally within the left temporal lobe, whereas the shift was primarily posterior within occipital cortex among boys. A composite map across all subjects shows an expansion in the area of connectivity with age. Results show that the "location" of visual/linguistic connectivity varies systematically during development, suggesting that both sex differences and developmental changes in V1 connectivity are related to linguistic function. (Contains 2 tables and 4 figures.)
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A