2024
Differing Pattern of Mismatch Negativity Responses in Clinical and Nonclinical Voice Hearers Challenge Predictive Coding Accounts of Psychosis
Erickson M, Bansal S, Li C, Waltz J, Corlett P, Gold J. Differing Pattern of Mismatch Negativity Responses in Clinical and Nonclinical Voice Hearers Challenge Predictive Coding Accounts of Psychosis. Biological Psychiatry Global Open Science 2024, 5: 100394. PMID: 39526022, PMCID: PMC11550737, DOI: 10.1016/j.bpsgos.2024.100394.Peer-Reviewed Original ResearchHealthy comparison subjectsReduced mismatch negativityPrediction error signalsPositive symptomsMismatch negativityDeviant typesPredictive coding accountPresence of hallucinationsMismatch negativity paradigmAuditory memory tracesComparison subjectsCoding accountMemory tracesPsychiatric illnessMMN responseVoice hearersRepetitive positioningError signalDuration conditionsHallucinationsHigher-levelDMMNDifferent patternsSymptomsPSZUnderstanding Cognitive Behavioral Therapy for Psychosis Through the Predictive Coding Framework
Sheffield J, Brinen A, Feola B, Heckers S, Corlett P. Understanding Cognitive Behavioral Therapy for Psychosis Through the Predictive Coding Framework. Biological Psychiatry Global Open Science 2024, 4: 100333. PMID: 38952435, PMCID: PMC11215207, DOI: 10.1016/j.bpsgos.2024.100333.Peer-Reviewed Original ResearchCognitive behavioral therapyPersecutory delusionsBehavioral therapyMaintenance of delusionsSymptoms of psychosisAssociative learning modelsCognitive-behavioral interventionsPrediction error signalsLevels of information processingPredictive coding frameworkHierarchical predictive codingPredictive codingPsychotic disordersPsychological treatmentCognitive neurosciencePsychological processesCBTpPsychosisDelusionsBelief updatingInformation processingAlternative beliefsNeuroscienceProcess theoryComputational neuroscience
2007
Disrupted prediction-error signal in psychosis: evidence for an associative account of delusions
Corlett PR, Murray GK, Honey GD, Aitken MR, Shanks DR, Robbins TW, Bullmore ET, Dickinson A, Fletcher PC. Disrupted prediction-error signal in psychosis: evidence for an associative account of delusions. Brain 2007, 130: 2387-2400. PMID: 17690132, PMCID: PMC3838942, DOI: 10.1093/brain/awm173.Peer-Reviewed Original ResearchConceptsDelusion formationDelusional beliefsPrediction error processingPrediction-error signallingPrediction error signalsAttentional allocationAssociative accountMaladaptive beliefsError processingAssociative learningNeurobiological theoriesBrain responsesCortex responsesIndividual's propensityBelief formationDelusionsBeliefsPrediction errorExtent of disruptionProcessingFMRILearningPsychosisExpectancyIndividualsFrom prediction error to psychosis: ketamine as a pharmacological model of delusions
Corlett PR, Honey GD, Fletcher PC. From prediction error to psychosis: ketamine as a pharmacological model of delusions. Journal Of Psychopharmacology 2007, 21: 238-252. PMID: 17591652, DOI: 10.1177/0269881107077716.Peer-Reviewed Original ResearchConceptsDelusion formationAssociative learning processesPrediction error signalsDevelopment of delusionsFormation of delusionsPre-psychotic periodAttentional disruptionAttentional disturbancesNeuropsychiatric modelsNeurobiological systemsPrediction errorExperience resultsLearning processIrrelevant detailsDelusionsError signalDrug ketaminePsychosisNumerous associationsPsychotic statesPerceptExpectationsPharmacological modelStimuliSymptom evolution