Differentiating allocation of resources and conflict detection within attentional control processing

Giuseppe Blasi, Terry E. Goldberg, Brita Elvevåg, Roberta Rasetti, Alessandro Bertolino, Jessica Cohen, Guilna Alce, Brad Zoltick, Daniel R. Weinberger, Venkata S. Mattay

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Increasing demands for conflict detection and for allocation of attentional resources increase the need for attentional control. While prior evidence suggests that different cortical regions are preferentially engaged by these two attentional processes, the effect of increasing demand for conflict detection and/or allocation of attentional resources has been relatively unexplored. We designed a novel task (the 'variable attentional control'- VAC - task) that varies the demand for attentional control by increasing conflict detection and allocation of attentional resources within the same stimuli. We studied 34 subjects who underwent event-related functional magnetic resonance imaging while performing the VAC task. Increasing demand for attentional control, as reflected by longer reaction time and reduced accuracy, was associated with greater activation in the dorsolateral prefrontal cortex, parietal cortex and dorsal cingulate. Furthermore, an increase in conflict detection was associated with greater dorsal cingulate activity, whereas an increase in demand for allocation of attentional resources implied greater activation in the dorsolateral prefrontal and parietal cortices. In essence, in addition to allowing the exploration of the overall effects of increasing demand for attentional control, our novel task also allowed parsing of the neural components of attentional control into those related to allocation of attentional resources and those related to conflict detection.

Original languageEnglish
Pages (from-to)594-602
Number of pages9
JournalEuropean Journal of Neuroscience
Volume25
Issue number2
DOIs
Publication statusPublished - Jan 2007

Fingerprint

Resource Allocation
Parietal Lobe
Prefrontal Cortex
Reaction Time
Magnetic Resonance Imaging
Conflict (Psychology)

Keywords

  • Cingulate cortex
  • Dorsolateral prefrontal cortex
  • fMRI
  • Parietal cortex
  • Variable attentional control task

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Blasi, G., Goldberg, T. E., Elvevåg, B., Rasetti, R., Bertolino, A., Cohen, J., ... Mattay, V. S. (2007). Differentiating allocation of resources and conflict detection within attentional control processing. European Journal of Neuroscience, 25(2), 594-602. https://doi.org/10.1111/j.1460-9568.2007.05283.x

Differentiating allocation of resources and conflict detection within attentional control processing. / Blasi, Giuseppe; Goldberg, Terry E.; Elvevåg, Brita; Rasetti, Roberta; Bertolino, Alessandro; Cohen, Jessica; Alce, Guilna; Zoltick, Brad; Weinberger, Daniel R.; Mattay, Venkata S.

In: European Journal of Neuroscience, Vol. 25, No. 2, 01.2007, p. 594-602.

Research output: Contribution to journalArticle

Blasi, G, Goldberg, TE, Elvevåg, B, Rasetti, R, Bertolino, A, Cohen, J, Alce, G, Zoltick, B, Weinberger, DR & Mattay, VS 2007, 'Differentiating allocation of resources and conflict detection within attentional control processing', European Journal of Neuroscience, vol. 25, no. 2, pp. 594-602. https://doi.org/10.1111/j.1460-9568.2007.05283.x
Blasi, Giuseppe ; Goldberg, Terry E. ; Elvevåg, Brita ; Rasetti, Roberta ; Bertolino, Alessandro ; Cohen, Jessica ; Alce, Guilna ; Zoltick, Brad ; Weinberger, Daniel R. ; Mattay, Venkata S. / Differentiating allocation of resources and conflict detection within attentional control processing. In: European Journal of Neuroscience. 2007 ; Vol. 25, No. 2. pp. 594-602.
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