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Self-Reflection Protects Behavior from Volatile Beliefs Linked to Paranoia
Praveen Suthaharan1,2, Santiago Castiello2, Yuen-Siang Ang3
1Interdepartmental Neuroscience Program, Yale School of Medicine, New Haven, CT, USA.
Computational Psychiatry (Cambridge, Mass.)
|February 23, 2026
Summary
Metacognition, the ability to reflect on one's thinking, may buffer against paranoia. Lower metacognitive structure in individuals with paranoia was linked to instability in decision-making when facing uncertainty.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Psychiatry
Background:
- Uncertainty processing is a key feature in some psychiatric conditions, notably paranoia.
- Paranoia involves anticipating threat or change without sufficient evidence, potentially leading to behavioral instability.
- Metacognitive structure, or the coherence of self-reflection, may act as a protective buffer against acting on such beliefs.
Purpose of the Study:
- To investigate the role of metacognitive structure in modulating the link between beliefs about uncertainty and behavioral responses.
- To determine if metacognition can attenuate the impact of paranoia on decision-making under changing conditions.
- To establish a novel method for measuring metacognition using debriefing questions from behavioral tasks.
Main Methods:
- Employed metacognitive prompting with GPT-4 to score the depth of self-reflection in response to open-ended questions.
- Participants completed a probabilistic reversal learning task to assess behavior under changing probabilities.
- Analyzed the relationship between paranoia scores, metacognitive structure, and behavioral switching, controlling for cognitive ability and verbosity.
Main Results:
- Individuals with higher levels of paranoia exhibited significantly lower metacognitive structure (t = 5.98, p < 0.001).
- Metacognition was found to attenuate the association between belief in environmental volatility and the tendency to switch behavior (Δ = -15 pp, p < 0.001).
- These effects remained significant even after accounting for the verbosity of reflections and general cognitive ability.
Conclusions:
- Metacognition serves as a crucial mechanism that protects against uncertainty-driven behavioral instability, particularly in individuals prone to paranoia.
- The findings highlight how robust metacognitive abilities can insulate individuals from acting impulsively on beliefs shaped by perceived environmental changes.
- This research introduces a viable framework for quantifying metacognition through analysis of behavioral task debriefing responses.
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