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
2022
Conditioned Hallucinations and Prior Overweighting Are State-Sensitive Markers of Hallucination Susceptibility
Kafadar E, Fisher VL, Quagan B, Hammer A, Jaeger H, Mourgues C, Thomas R, Chen L, Imtiaz A, Sibarium E, Negreira AM, Sarisik E, Polisetty V, Benrimoh D, Sheldon AD, Lim C, Mathys C, Powers AR. Conditioned Hallucinations and Prior Overweighting Are State-Sensitive Markers of Hallucination Susceptibility. Biological Psychiatry 2022, 92: 772-780. PMID: 35843743, PMCID: PMC10575690, DOI: 10.1016/j.biopsych.2022.05.007.Peer-Reviewed Original ResearchConceptsCH rateIncoming sensory evidenceSensory evidencePerceptual statesTask performanceComputational psychiatrySubset of participantsPrior expectationsHallucination severityBehavioral dataSymptom severityPast experienceStable measureHallucinationsPsychotic symptomsHallucination frequencyTaskSymptom expressionBayesian modelState markerHallucinatorsNonhallucinatorsOverweightingPerceptionSymptom risk