fMRI evidence for both generalized and specialized components of attentional control

H. A. Slagter, B. Giesbrecht, A. Kok, D. H. Weissman, J. L. Kenemans, M. G. Woldorff, George R Mangun

Research output: Contribution to journalArticlepeer-review

56 Scopus citations


A central question in the study of selective attention is whether top-down attentional control mechanisms are generalized or specialized for the type of information that is to be attended. The current study examined this question using a voluntary orienting task that cued observers to attend to either one of two locations or to one of two colors. Location (spatial) and color (nonspatial) conditions were presented either randomly intermixed within the same block of trials or in separate blocks. Functional magnetic resonance imaging revealed that directing attention to a location or to a color activated a network of overlapping dorsal frontal and parietal areas, previously implicated in attentional control. The pattern of observed overlap was not affected by the intermixed versus blocked presentation of location and color conditions. Although portions of the frontal-parietal network were more active in response to location cues than to color cues, a secondary analysis also revealed that medial dorsal frontal and parietal cortex were specifically engaged in shifting visual attention regardless of the cued dimension (location or color). Together, the present results support the conclusion that attentional control is the combination of a generalized network that works in concert with subregions of the frontoparietal network that are highly specialized for directing attention based on the content of the to-be-attended information.

Original languageEnglish (US)
Pages (from-to)90-102
Number of pages13
JournalBrain Research
Issue number1
StatePublished - Oct 26 2007


  • Attentional control
  • fMRI
  • Frontoparietal network
  • Nonspatial attention
  • Selective attention
  • Spatial attention

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology
  • Developmental Biology
  • Molecular Biology


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