The functional anatomy and hemispheric specialization for directed attention. The role of the parietal lobe and its connectivity

M. Marsel Mesulam*

*Corresponding author for this work

Research output: Contribution to journalReview article

93 Scopus citations

Abstract

The ability to direct attention towards behaviorally relevant sensory events within the extrapersonal space is modulated by a complex cerebral network which includes cortical and subcortical components. The posterior parietal cortex of the inferior parietal lobule, the periarcuate region (including the frontal eye fields), and cingulate cortex constitute its three major cortical components. The anatomical connectivity within this network explains why disturbances of directed attention in the form of unilateral neglect emerge after lesions of several widely separated cerebral areas. In the human, clinical and electrophysiological observations suggest that the right hemisphere of the brain is specialized for the processes of directed attention.

Original languageEnglish (US)
Pages (from-to)384-387
Number of pages4
JournalTrends in Neurosciences
Volume6
Issue numberC
DOIs
StatePublished - 1983

ASJC Scopus subject areas

  • Neuroscience(all)

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