2023
Relationships between cognitive biases, decision-making, and delusions
Sheffield J, Smith R, Suthaharan P, Leptourgos P, Corlett P. Relationships between cognitive biases, decision-making, and delusions. Scientific Reports 2023, 13: 9485. PMID: 37301915, PMCID: PMC10257713, DOI: 10.1038/s41598-023-36526-1.Peer-Reviewed Original ResearchConceptsDelusional ideationDelusional thinkingCognitive biasesDistinct cognitive processesSelf-reported dataCognitive processesProbabilistic reversalUnique varianceComputational mechanismsEvidence integrationPsychosis spectrumMultiple measuresProportion of varianceParanoiaRandom explorationIdeationThinkingTaskBiasesMeasuresVarianceDelusionsJTCIndependent studiesRelationship
2022
Relating Glutamate, Conditioned, and Clinical Hallucinations via 1H-MR Spectroscopy
Leptourgos P, Bansal S, Dutterer J, Culbreth A, Powers A, Suthaharan P, Kenney J, Erickson M, Waltz J, Wijtenburg SA, Gaston F, Rowland LM, Gold J, Corlett P. Relating Glutamate, Conditioned, and Clinical Hallucinations via 1H-MR Spectroscopy. Schizophrenia Bulletin 2022, 48: 912-920. PMID: 35199836, PMCID: PMC9212089, DOI: 10.1093/schbul/sbac006.Peer-Reviewed Original ResearchMeSH KeywordsGlutamic AcidHallucinationsHumansMagnetic Resonance SpectroscopyPsychotic DisordersSchizophreniaConceptsGlutamate levelsAnterior insulaPrior beliefsCognitive modelPathophysiological theoriesAuditory cortexClinical hallucinationsAnterior cingulateComputational psychiatryNew treatmentsDorsolateral prefrontalVisual cuesPrior expectationsSame participantsHallucinationsInsulaNegative relationshipCurrent experienceMagnetic resonance spectroscopyBeliefsComputational modelingTone