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Can neurocognitive performance account for dimensional paranoid ideation?
Andrea Wong1, Frank D Baughman2, Barbara A Mullan2
1School of Psychological Sciences, Monash University, Melbourne, Australia.
Cognitive Neuropsychiatry
|November 5, 2024
Summary
Slowed speed of processing is linked to greater paranoid ideation severity. Other neurocognitive functions like working memory did not significantly impact paranoid ideation experiences in this study.
Area of Science:
- Psychology
- Neuroscience
Background:
- Paranoid ideation is a significant symptom in various psychological disorders.
- Neurocognitive deficits are implicated in paranoid disorders, but their effect on symptom severity is not fully understood.
Purpose of the Study:
- To investigate the association between neurocognition and the severity and presence of paranoid ideation.
- To utilize a dimensional approach to examine the relationship between cognitive functions and paranoid ideation.
Main Methods:
- 400 US general population participants completed online questionnaires and computerized neurocognitive tasks.
- Tasks assessed working memory, shifting, inhibition, and speed of processing.
Main Results:
- Speed of processing uniquely predicted paranoid ideation severity, albeit with a small effect size.
- Working memory, shifting, and inhibition did not significantly account for paranoid ideation.
- Neurocognitive performance could not differentiate between individuals with and without paranoid ideation.
Conclusions:
- Speed of information processing may be a crucial factor in paranoid ideation.
- Future research should explore non-linear dynamic methods to understand neurocognitive interactions in paranoid ideation.
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