2023
Assumed shared belief about conspiracy theories in social networks protects paranoid individuals against distress
Suthaharan P, Corlett P. Assumed shared belief about conspiracy theories in social networks protects paranoid individuals against distress. Scientific Reports 2023, 13: 6084. PMID: 37055504, PMCID: PMC10100615, DOI: 10.1038/s41598-023-33305-w.Peer-Reviewed Original ResearchConceptsConspiratorial beliefsConspiracy theoriesLess emotional distressIndividual-level processesParanoid individualsClinical paranoiaParanoid beliefsPsychological studiesConspiracy beliefsEmotional distressPersecutory delusionsBehavioral predictorsSocial supportBelief formationSocial accountsSocial networksOrganizational factorsParanoiaBroader social networksBeliefsLarge social networksSocietal normsDistressTaskLevel processes
2022
Belief Updating and Paranoia in Individuals With Schizophrenia
Sheffield JM, Suthaharan P, Leptourgos P, Corlett PR. Belief Updating and Paranoia in Individuals With Schizophrenia. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2022, 7: 1149-1157. PMID: 35430406, PMCID: PMC9827723, DOI: 10.1016/j.bpsc.2022.03.013.Peer-Reviewed Original ResearchConceptsBelief updatingThought contentPersecutory delusionsUnusual thought contentHierarchical Gaussian FilterMeasures of anxietyPrior beliefsSignificant indirect effectHealthy control participantsCognitive mechanismsProbabilistic reversalPersecutory beliefsParanoia continuumWorry QuestionnaireNegative Syndrome ScaleControl participantsParanoiaModel implicatingIndirect effectsSymptom Rating ScaleSyndrome ScaleWorryBeliefsSchizophreniaSignificant worry
2021
Paranoia and belief updating during the COVID-19 crisis
Suthaharan P, Reed EJ, Leptourgos P, Kenney JG, Uddenberg S, Mathys CD, Litman L, Robinson J, Moss AJ, Taylor JR, Groman SM, Corlett PR. Paranoia and belief updating during the COVID-19 crisis. Nature Human Behaviour 2021, 5: 1190-1202. PMID: 34316049, PMCID: PMC8458246, DOI: 10.1038/s41562-021-01176-8.Peer-Reviewed Original ResearchMeSH KeywordsAttitude to HealthCOVID-19CultureHealth PolicyHumansInfection ControlMasksPandemicsParanoid DisordersConceptsTask behavior
2020
Paranoia as a deficit in non-social belief updating
Reed EJ, Uddenberg S, Suthaharan P, Mathys C, Taylor JR, Groman SM, Corlett PR. Paranoia as a deficit in non-social belief updating. ELife 2020, 9: e56345. PMID: 32452769, PMCID: PMC7326495, DOI: 10.7554/elife.56345.Peer-Reviewed Original ResearchConceptsParanoid individualsSocial threatLearning differencesTask environmentLearning behaviorOnline participantsMethamphetamine exposureParanoiaBeliefsVolatile environmentMental illnessComputational modelingIndividualsElevated sensitivityDeficitsAnticipationParticipantsParadigmThreatMethamphetamineDifferencesFurther assessmentBehaviorHarm