2024
Recent social stress and severity of auditory hallucinations
Farina E, Mourgues-Codern C, Sibarium E, Powers A. Recent social stress and severity of auditory hallucinations. Schizophrenia Research 2024, 269: 64-70. PMID: 38733801, PMCID: PMC11180583, DOI: 10.1016/j.schres.2024.04.024.Peer-Reviewed Original ResearchHearing voicesVoice-hearersAuditory verbal hallucinationsNon-clinical voice-hearersCross-sectional designSocial stressDepressive symptom severitySelf-reported aspectsPsychosocial interventionsAuditory hallucinationsClinical distressAdverse social experiencesHearingSeverity of auditory hallucinationsAdministered self-report measuresRecent stressMedication-resistant auditory verbal hallucinationsDistressRelational demographicsDaily social stressRegression modelsSocial stressorsSymptom severityAuditory experienceHallucination severity
2023
Evidence for Reduced Sensory Precision and Increased Reliance on Priors in Hallucination-Prone Individuals in a General Population Sample
Benrimoh D, Fisher V, Seabury R, Sibarium E, Mourgues C, Chen D, Powers A. Evidence for Reduced Sensory Precision and Increased Reliance on Priors in Hallucination-Prone Individuals in a General Population Sample. Schizophrenia Bulletin 2023, 50: 349-362. PMID: 37830405, PMCID: PMC10919780, DOI: 10.1093/schbul/sbad136.Peer-Reviewed Original ResearchSensory evidenceSensory precisionHallucinatory experiencesHallucination severityCH rateHallucination-prone individualsIncoming sensory evidencePrior weightingLinguistic versionsGaussian filter modelNonlinguistic stimuliPerceptual inferencePerceptual statesPerceptual beliefsResponse confidenceAuditory informationTask behaviorGeneral population sampleOnline sampleAuditory hallucinationsGeneral population participantsStimuliPast resultsParticipantsTask
2020
Voluntary control of auditory hallucinations: phenomenology to therapeutic implications
Swyer A, Powers AR. Voluntary control of auditory hallucinations: phenomenology to therapeutic implications. Schizophrenia 2020, 6: 19. PMID: 32753641, PMCID: PMC7403299, DOI: 10.1038/s41537-020-0106-8.Peer-Reviewed Original ResearchAuditory verbal hallucinationsNeural underpinningsVoice hearersField's current understandingCognitive constructsLittle systematic examinationVerbal hallucinationsConscious controlVoice hearingPsychosocial factorsAuditory hallucinationsVoluntary controlDevelopment of controlHallucinationsUnderpinningsHearerDegree of controlHealth statusSystematic examinationDistressFunctioningPerceptionRecent workRelationshipConstructs
2019
Beyond Trauma: A Multiple Pathways Approach to Auditory Hallucinations in Clinical and Nonclinical Populations
Luhrmann TM, Alderson-Day B, Bell V, Bless JJ, Corlett P, Hugdahl K, Jones N, Larøi F, Moseley P, Padmavati R, Peters E, Powers AR, Waters F. Beyond Trauma: A Multiple Pathways Approach to Auditory Hallucinations in Clinical and Nonclinical Populations. Schizophrenia Bulletin 2019, 45: s24-s31. PMID: 30715545, PMCID: PMC6357973, DOI: 10.1093/schbul/sby110.Peer-Reviewed Original Research
2015
Ketamine-Induced Hallucinations
Powers A, Gancsos MG, Finn ES, Morgan PT, Corlett PR. Ketamine-Induced Hallucinations. Psychopathology 2015, 48: 376-385. PMID: 26361209, PMCID: PMC4684980, DOI: 10.1159/000438675.Peer-Reviewed Original ResearchConceptsAuditory verbal hallucinationsPerceptual inputVerbal hallucinationsPredictive coding modelDelusion-like ideasPerceptual disruptionsPerceptual expectationsPerceptual environmentCoding modelPhenomenological experienceSensory stimuliStimulation environmentAuditory hallucinationsHealthy participantsHallmark symptomFirst-episode psychosisMusical hallucinationsMRI scannerHallucinationsParticipantsMagnetic resonance imaging (MRI) scannerPsychosisAmotivationPerceptVivid hallucinations