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Complexity and Cognitive Engagement in the Rorschach Task: An fMRI Study.

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This study validates eye-tracking findings using fMRI, showing Rorschach test variables like Complexity correlate with brain activity in attention networks, reflecting cognitive effort and engagement.

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Area of Science:

  • Cognitive Neuroscience
  • Psychological Assessment
  • Neuroimaging

Background:

  • Previous eye-tracking research linked Rorschach Performance Assessment System (R-PAS) variables (Complexity, etc.) to cognitive effort.
  • The Engagement and Cognitive Processing domain of R-PAS measures aspects of cognitive engagement during testing.
  • The robustness and validity of these eye-tracking findings require further investigation using neuroimaging techniques.

Purpose of the Study:

  • To validate previous eye-tracking findings on R-PAS variables and cognitive effort using functional magnetic resonance imaging (fMRI).
  • To examine the association between R-PAS Engagement and Cognitive Processing scores and brain activity.
  • To test the hypothesis that higher cognitive effort during Rorschach testing correlates with increased cortical engagement in attentional networks.

Main Methods:

  • Re-analysis of archival fMRI data from 26 healthy participants undergoing the Rorschach inkblot test.
  • Participants were instructed to identify percepts from the inkblots, simulating a thinking process.
  • Examined the correlation between R-PAS scores (Complexity, Synthesis, Human Movement) and Blood-Oxygen-Level-Dependent (BOLD) signals in the Dorsal Attention Network.

Main Results:

  • Complexity scores showed the largest effect size (d = 0.43) correlating with increased BOLD signals in the Dorsal Attention Network.
  • Synthesis (d = 0.32) and Human Movement (d = 0.21) R-PAS scores also demonstrated significant associations with brain activity.
  • A strong correlation (r = .80) was observed between effect sizes from this fMRI study and the prior eye-tracking study, indicating robust findings.

Conclusions:

  • fMRI data support the link between R-PAS Engagement and Cognitive Processing variables and neural correlates of cognitive effort.
  • The findings validate the use of R-PAS Complexity as a measure associated with cognitive engagement and attentional processes.
  • The convergence of eye-tracking and fMRI data strengthens the validity of these R-PAS measures in assessing cognitive effort during psychological assessment.