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 riskMeasuring Voluntary Control Over Hallucinations: The Yale Control Over Perceptual Experiences (COPE) Scales
Mourgues C, Hammer A, Fisher V, Kafadar E, Quagan B, Bien C, Jaeger H, Thomas R, Sibarium E, Negreira AM, Sarisik E, Polisetty V, Eken H, Imtiaz A, Niles H, Sheldon AD, Powers AR. Measuring Voluntary Control Over Hallucinations: The Yale Control Over Perceptual Experiences (COPE) Scales. Schizophrenia Bulletin 2022, 48: 673-683. PMID: 35089361, PMCID: PMC9077437, DOI: 10.1093/schbul/sbab144.Peer-Reviewed Original ResearchConceptsAuditory verbal hallucinationsPositive clinical outcomesClinical outcomesPilot studyQuality of lifeConvergent validityFrequent auditory verbal hallucinationsExperiences ScaleClinical measuresConventional treatmentNovel interventionsSymptom severitySignificant distressClinical scalesComprehensive batteryPsychosis-spectrum diagnosisVerbal hallucinationsSound psychometric propertiesAVH contentVoluntary controlPsychometric propertiesHallucinationsControl ScaleValidation studyIntervention
2021
Computational Mechanism for the Effect of Psychosis Community Treatment: A Conceptual Review From Neurobiology to Social Interaction
Benrimoh D, Sheldon A, Sibarium E, Powers AR. Computational Mechanism for the Effect of Psychosis Community Treatment: A Conceptual Review From Neurobiology to Social Interaction. Frontiers In Psychiatry 2021, 12: 685390. PMID: 34385938, PMCID: PMC8353084, DOI: 10.3389/fpsyt.2021.685390.Peer-Reviewed Original ResearchComputational modelAssertive community treatmentProcessing-based accountExperience of psychosisEvidence-based clinical interventionsCommunity treatmentPrevious computational modelsCognitive resourcesPositive psychotic symptomsComputational underpinningsComputational mechanismsSocial interactionStrong social elementSensory informationPositive symptomsConceptual reviewClinical interventionsEarly psychosisSocial elementsCandidate mechanismPsychotic symptomsNeurobiologyPsychosisConceptual paperMultiple levelsParsing the Mechanistic Heterogeneity of Hallucinations Using Theory- and Data-Driven Computational Approaches
Kafadar E, Quagan B, Hammer A, Jaeger H, Mourgues C, Sibarium E, Negreira A, Sarisik E, Lim C, Powers A. Parsing the Mechanistic Heterogeneity of Hallucinations Using Theory- and Data-Driven Computational Approaches. Biological Psychiatry 2021, 89: s337-s338. DOI: 10.1016/j.biopsych.2021.02.843.Peer-Reviewed Original Research
2020
A Clinical Program for Transgender and Gender-Diverse Neurodiverse/Autistic Adolescents Developed through Community-Based Participatory Design
Strang J, Knauss M, van der Miesen A, McGuire J, Kenworthy L, Caplan R, Freeman A, Sadikova E, Zaks Z, Pervez N, Balleur A, Rowlands D, Sibarium E, Willing L, McCool M, Ehrbar R, Wyss S, Wimms H, Tobing J, Thomas J, Austen J, Pine E, Griffin A, Janssen A, Gomez-Lobo V, Brandt A, Morgan C, Meagher H, Gohari D, Kirby L, Russell L, Powers M, Anthony L. A Clinical Program for Transgender and Gender-Diverse Neurodiverse/Autistic Adolescents Developed through Community-Based Participatory Design. Journal Of Clinical Child & Adolescent Psychology 2020, 50: 730-745. PMID: 32375521, PMCID: PMC11362985, DOI: 10.1080/15374416.2020.1731817.Peer-Reviewed Original Research
2018
“They Thought It Was an Obsession”: Trajectories and Perspectives of Autistic Transgender and Gender-Diverse Adolescents
Strang J, Powers M, Knauss M, Sibarium E, Leibowitz S, Kenworthy L, Sadikova E, Wyss S, Willing L, Caplan R, Pervez N, Nowak J, Gohari D, Gomez-Lobo V, Call D, Anthony L. “They Thought It Was an Obsession”: Trajectories and Perspectives of Autistic Transgender and Gender-Diverse Adolescents. Journal Of Autism And Developmental Disorders 2018, 48: 4039-4055. PMID: 30140984, DOI: 10.1007/s10803-018-3723-6.Peer-Reviewed Original ResearchConceptsGender diverse adolescentsGender minority adolescentsDepth interviewsGender expressionTransgender peopleGender nonconformityCritical themesGender dysphoriaResearch approachIndividual perspectiveGender affirmationGender diversityEthical imperativeMinority adolescentsVivid experiencesPerspectiveSpecific challengesThemesExperienceTransgenderAnimosityImperativeInterviewsAffirmationNeurodiversity