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Propensity to intentional and unintentional mind-wandering differs in arousal and executive vigilance tasks

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Listed:
  • Víctor Martínez-Pérez
  • Damián Baños
  • Almudena Andreu
  • Miriam Tortajada
  • Lucía B Palmero
  • Guillermo Campoy
  • Luis J Fuentes

Abstract

We typically observe a decrement in vigilance with time-on-task, which favors the propensity for mind-wandering, i.e., the shifting of attention from the task at hand to task-unrelated thoughts. Here, we examined participants’ mind-wandering, either intentional or unintentional, while performing vigilance tasks that tap different components of vigilance. Intentional mind-wandering is expected mainly when the arousal component is involved, whereas unintentional mind-wandering is expected mainly in tasks involving the executive component. The Psychomotor Vigilance Task (PVT) assessed the arousal component, whereas the Sustained Attention to Response task (SART) assessed the executive component of vigilance. The two types of mind-wandering were probed throughout task execution. The results showed that the overall rate of mind-wandering was higher in the PVT than in the SART. Intentional mind-wandering was higher with the PVT than with the SART, whereas unintentional mind-wandering was higher with the SART than with the PVT. Regarding mind-wandering as a function of vigilance decrement with time-on-task, unintentional mind-wandering in the PVT increased between blocks 1 and 2 and then stabilized, whereas a progressive increase was observed in the SART. Regarding intentional mind-wandering, a progressive increase was only observed in the SART. The differential patterns of intentional and unintentional mind-wandering in both tasks suggest that, intentional mind wandering occurs mainly in arousal tasks in which propensity to mind-wander has little impact on task performance. However, unintentional mind-wandering occurs mainly in executive tasks as a result of a failure of cognitive control, which promotes attentional resources to be diverted toward mind-wandering. These results are discussed in the context of the resource-control model of mind-wandering.

Suggested Citation

  • Víctor Martínez-Pérez & Damián Baños & Almudena Andreu & Miriam Tortajada & Lucía B Palmero & Guillermo Campoy & Luis J Fuentes, 2021. "Propensity to intentional and unintentional mind-wandering differs in arousal and executive vigilance tasks," PLOS ONE, Public Library of Science, vol. 16(10), pages 1-11, October.
    • Handle: RePEc:plo:pone00:0258734
    DOI: 10.1371/journal.pone.0258734
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    References listed on IDEAS

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    1. Jonathan Smallwood & Kevin S Brown & Christine Tipper & Barry Giesbrecht & Michael S Franklin & Michael D Mrazek & Jean M Carlson & Jonathan W Schooler, 2011. "Pupillometric Evidence for the Decoupling of Attention from Perceptual Input during Offline Thought," PLOS ONE, Public Library of Science, vol. 6(3), pages 1-8, March.
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