2024
Understanding 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
2023
Using dimensionality-reduction techniques to understand the organization of psychotic symptoms in persistent psychotic illness and first episode psychosis
Fleming L, Lemonde A, Benrimoh D, Gold J, Taylor J, Malla A, Joober R, Iyer S, Lepage M, Shah J, Corlett P. Using dimensionality-reduction techniques to understand the organization of psychotic symptoms in persistent psychotic illness and first episode psychosis. Scientific Reports 2023, 13: 4841. PMID: 36964175, PMCID: PMC10039017, DOI: 10.1038/s41598-023-31909-w.Peer-Reviewed Original ResearchConceptsHallucinations/delusionsFirst-episode psychosisFirst-episode psychosis participantsEarly intervention programsPathophysiological mechanismsUnderlying pathophysiologyEpisode psychosisPsychotic illnessPsychotic symptomsPsychotic disordersSchizoaffective disorderAuditory hallucinationsPositive symptomsHallucination severityNegative symptomsSymptomsDisorganization symptomsIntervention programsHallucinationsIllnessPsychosis participantsPsychosisDelusionsDisordersParticipantsSelf-reported Gesture Interpretation and Performance Deficits in Individuals at Clinical High Risk for Psychosis
Karp E, Williams T, Ellman L, Strauss G, Walker E, Corlett P, Woods S, Powers A, Gold J, Schiffman J, Waltz J, Silverstein S, Mittal V. Self-reported Gesture Interpretation and Performance Deficits in Individuals at Clinical High Risk for Psychosis. Schizophrenia Bulletin 2023, 49: 746-755. PMID: 36939086, PMCID: PMC10154698, DOI: 10.1093/schbul/sbac197.Peer-Reviewed Original ResearchConceptsClinical high riskGesture deficitsInternalizing disordersCHR groupGesture interpretationLower verbal learningViable assessment toolVerbal learningNeurocognitive tasksGeneral intelligencePerformance deficitsNonverbal behaviorProcessing speedCHR participantsSimilar deficitsGreater deficitsHigh riskClinical InterviewFull psychotic disorderDeficitsSpecific subdomainsSRGPPsychotic disordersPsychosisGestures