Visual attention in children with perinatal brain injury: Asymmetric effects of bilateral lesions

Suzanne Craft, Desiree A. White, T. S. Park, Gary Figiel

Research output: Contribution to journalArticle

27 Scopus citations

Abstract

The neural systems underlying visual attention have been well-documented in adults through studies examining the effects of brain lesions on specific attentional operations. The questions of how this attentional system develops and how it is affected by disruption during development are only beginning to be addressed. In the present study, a covert orienting task was administered to 33 children with bilateral perinatal injury to anterior, posterior, or diffuse brain regions and 36 normal children to determine the effects of such injury on visual attention. Children with bilateral anterior lesions showed lateralized impairment indicating compromise of left hemisphere early attentional processes. In contrast, children with posterior lesions that typically disrupt attention in adults showed only general slowing, with no differences in right or left visual field performance or deficits in specific attentional operations. These results suggest that anterior brain regions play an important role in the development of visual attention, and that left hemisphere attentional processes are particularly affected by disruption of anterior function.

Original languageEnglish
Pages (from-to)165-173
Number of pages9
JournalJournal of Cognitive Neuroscience
Volume6
Issue number2
DOIs
StatePublished - Jan 1 1994

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