Orienting attention to locations in perceptual versus mental representations

A. C. Nobre*, J. T. Coull, P. Maquet, C. D. Frith, R. Vandenberghe, M. M. Mesulam

*Corresponding author for this work

Research output: Contribution to journalArticle

212 Scopus citations


Extensive clinical and imaging research has characterized the neural networks mediating the adaptive distribution of spatial attention. In everyday behavior, the distribution of attention is guided not only by extrapersonal targets but also by mental representations of their spatial layout. We used event-related functional magnetic resonance imaging to identify the neural system involved in directing attention to locations in arrays held as mental representations, and to compare it with the system for directing spatial attention to locations in the external world. We found that these two crucial aspects of spatial cognition are subserved by extensively overlapping networks. However, we also found that a region of right parietal cortex selectively participated in orienting attention to the extrapersonal space, whereas several frontal lobe regions selectively participated in orienting attention within on-line mental representations.

Original languageEnglish (US)
Pages (from-to)363-373
Number of pages11
JournalJournal of cognitive neuroscience
Issue number3
StatePublished - Apr 2004

ASJC Scopus subject areas

  • Cognitive Neuroscience

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