Covert visual spatial orienting and saccades: Overlapping neural systems

A. C. Nobre*, D. R. Gitelman, E. C. Dias, M. M. Mesulam

*Corresponding author for this work

Research output: Contribution to journalArticle

372 Scopus citations

Abstract

We used functional magnetic resonance imaging (fMRI) to investigate the functional anatomical relationship between covert orienting of visual spatial attention and execution of saccadic eye movements. Brain areas engaged by shifting spatial attention covertly and by moving the eyes repetitively toward visual targets were compared and contrasted directly within the same subjects. The two tasks activated highly overlapping neural systems and showed that common parietal and frontal regions are more activated during the covert task than the overt oculomotor condition. The possible nature of the relationship between these two operations is discussed. (C) 2000 Academic Press.

Original languageEnglish (US)
Pages (from-to)210-216
Number of pages7
JournalNeuroimage
Volume11
Issue number3
DOIs
StatePublished - Mar 2000

ASJC Scopus subject areas

  • Neurology
  • Cognitive Neuroscience

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