2020
Paracingulate Sulcus Length Is Shorter in Voice-Hearers Regardless of Need for Care
Powers AR, van Dyck LI, Garrison JR, Corlett PR. Paracingulate Sulcus Length Is Shorter in Voice-Hearers Regardless of Need for Care. Schizophrenia Bulletin 2020, 46: 1520-1523. PMID: 32432706, PMCID: PMC7707078, DOI: 10.1093/schbul/sbaa067.Peer-Reviewed Original ResearchConceptsAuditory verbal hallucinationsPsychotic disordersParacingulate sulcusT1-weighted structural MRI scansMedial prefrontal cortexStructural MRI scansClinical stateClinical careMRI scansAVH phenomenologyMental illnessClinical counterpartPrefrontal cortexClinical populationsDisordersVerbal hallucinationsHallucinationsIllnessPsychosisSulcus lengthCareGroups of participantsCurrent studyParticipantsNonclinical populations
2016
Varieties of Voice-Hearing: Psychics and the Psychosis Continuum
Powers AR, Kelley MS, Corlett PR. Varieties of Voice-Hearing: Psychics and the Psychosis Continuum. Schizophrenia Bulletin 2016, 43: 84-98. PMID: 28053132, PMCID: PMC5216860, DOI: 10.1093/schbul/sbw133.Peer-Reviewed Original ResearchConceptsPsychotic disordersSerious mental illnessVoice-hearing experiencesControl subjectsStudy populationProminent symptomContinuum of psychosisTreatment of voiceMental illnessProtective factorsPatientsNew study populationPsychosis continuumHelp-seeking groupDisordersHallucinatory experiencesVoice hearingSubjectsAuditory messagesVoice hearersPopulationSymptomsIllnessPsychosisDiseaseHallucinations as Top-Down Effects on Perception
Powers AR, Kelley M, Corlett PR. Hallucinations as Top-Down Effects on Perception. Biological Psychiatry Cognitive Neuroscience And Neuroimaging 2016, 1: 393-400. PMID: 28626813, PMCID: PMC5469545, DOI: 10.1016/j.bpsc.2016.04.003.Peer-Reviewed Original ResearchContemporary cognitive neuroscienceCognitive science communityHigh-level cognitionPredictive coding modelHierarchical brain networksCognitive penetrationPerceptual priorsCognitive neurosciencePerceptual processesCognitive neuropsychiatryComputational neuroimagingModular viewMental organizationCoding modelBrain networksPerceptionMental illnessHierarchical modelCognitionNeuroscienceStimuliNeuroimagingHallucinationsNeuropsychiatryFindings