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Controlled processes in human consciousness represent high-alert mental states where individuals deliberately focus their attention on achieving specific goals. Controlled processes can be seen in situations like mastering new technology, where a person might become so absorbed that they ignore surrounding distractions. Such processes involve selective attention, requiring one to concentrate on particular elements of experience while disregarding others. These are governed by executive...
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Catching Mind Wandering With Pupillometry: Conceptual and Methodological Challenges.

Claudia Pelagatti1, Elvio Blini1, Manila Vannucci1

  • 1Department of NEUROFARBA, Section of Psychology, University of Florence, Florence, Italy.

Wiley Interdisciplinary Reviews. Cognitive Science
|October 22, 2024
PubMed
Summary
This summary is machine-generated.

Mind-wandering (MW) research using pupillometry yields mixed results due to focusing on tonic pupil size. Methodological caution is advised for effective use of pupil size and other physiological measures in studying attentional lapses.

Keywords:
mind‐wanderingpupil dynamicspupillometrytask‐unrelated thoughtstonic pupil size

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Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Psychophysiology

Background:

  • Mind-wandering (MW) is a shift of attention from tasks to internal thoughts.
  • Physiological measures like EEG, fMRI, and pupillometry objectively track MW.
  • Pupillometry is a covert biomarker for MW, reflecting arousal, emotion, and attention.

Purpose of the Study:

  • To analyze contrasting results in MW and pupillometry studies.
  • To identify key factors causing variability in MW and pupillometry research.
  • To provide recommendations for effective use of physiological measures in MW research.

Main Methods:

  • Review of existing literature on MW and pupillometry.
  • Analysis of variability axes: MW definition, context, and pupillary tracking.
  • Focus on tonic pupil size measurement limitations.

Main Results:

  • Contrasting results in MW and pupil size coupling often stem from using tonic pupil size.
  • Variability arises from differing MW definitions, task demands, arousal levels, and tracking methods.
  • Pupillometry can be informative but requires methodological rigor.

Conclusions:

  • Pupillometry is a valuable tool for MW research when used with caution.
  • Addressing methodological variability is crucial for reliable MW and pupillometry findings.
  • Future research should consider dynamic pupillary measures and contextual factors.