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Evaluating Tests of Cognition using a Computerized Touch-Sensitive Tablet, Eye Tracking, and Functional Magnetic Resonance Imaging
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Inter-individual variability in metacognitive ability for visuomotor performance and underlying brain structures.

Indrit Sinanaj1, Yann Cojan2, Patrik Vuilleumier3

  • 1Laboratory of Neurology and Imaging of Cognition, Department of Fundamental Neurosciences, University of Geneva, Switzerland; Swiss Center for Affective Studies, University of Geneva, Switzerland; Department of Mental Health and Psychiatry, University Hospitals of Geneva, Switzerland.

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Summary

Brain structure differences predict metacognitive sensitivity in visuomotor tasks. Larger gray matter volume in specific brain regions correlated with better performance and self-awareness of decisions.

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Metacognitive sensitivityRight anterior insulaVisuomotor performance

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Area of Science:

  • Neuroscience
  • Cognitive Neuroscience

Background:

  • Metacognition involves discriminating correct from incorrect decisions.
  • Neurobiological studies of metacognition primarily focus on perceptual tasks.

Purpose of the Study:

  • Investigate if brain structure variations predict metacognitive sensitivity in visuomotor performance.
  • Identify specific brain regions associated with metacognitive abilities in action-based tasks.

Main Methods:

  • Participants performed a visuomotor task involving drawing trajectories.
  • Tasks included reporting detected deviations and rating confidence.
  • Structural brain Magnetic Resonance Imaging (MRI) analyzed gray-matter volume (GMV).

Main Results:

  • Increased GMV in the left middle occipital gyrus, left medial parietal cortex, and right postcentral gyrus correlated with higher deviation detection sensitivity.
  • Greater GMV in the right prefrontal cortex, right anterior insula, and right fusiform gyrus predicted enhanced metacognitive sensitivity.
  • Specific brain structures linked to action agency, executive control, and visual processing were associated with metacognition.

Conclusions:

  • Individual differences in brain structure are linked to metacognitive sensitivity in visuomotor tasks.
  • Findings highlight the role of prefrontal cortex, insula, and visual areas in metacognitive functions.
  • Extends understanding of metacognition's neurobiological basis beyond perceptual decision-making.