Right temporal-parietal junction engagement during spatial reorienting does not depend on strategic attention control

E. Natale, C. A. Marzi, E. Macaluso

Research output: Contribution to journalArticle

Abstract

Targets presented outside the focus of attention trigger stimulus-driven spatial reorienting and activation of the right temporal-parietal junction (rTPJ). However, event-related functional resonance imaging (fMRI) studies that used task-irrelevant non-predictive cues systematically failed to activate rTPJ, suggesting that this region controls reorienting only when attention is shifted between two task-relevant locations. Here we challenge this view showing that non-predictive peripheral cues can affect activity in rTPJ, but only when they share a feature with the target: i.e. when they are set-relevant. Trials including a set-relevant cue plus a target on the uncued/unattended side produced the slowest reaction times and selective activation of the rTPJ. These findings demonstrate that rTPJ is not involved only in reorienting between two task-relevant locations, but engages also when non-predictive cues are set-relevant, thereby, irrespective of voluntary attention and breaches of task-related expectations.

Original languageEnglish
Pages (from-to)1160-1164
Number of pages5
JournalNeuropsychologia
Volume48
Issue number4
DOIs
Publication statusPublished - Mar 2010

Keywords

  • Contingent attentional capture
  • Cue-target paradigm
  • Event-related design
  • Temporo-parietal junction
  • Ventral fronto-parietal network
  • Visual information processing

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology

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