[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100637560":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":26,"centralContacts":31,"locations":40,"responsibleParty":57,"collaborators":59,"id":63,"slug":64,"hasResults":65,"nctId":66,"briefTitle":67,"officialTitle":68,"acronym":69,"eligibilityCriteria":70,"healthyVolunteers":65,"sex":71,"minAge":72,"maxAge":73,"enrollmentInfo":74,"targetDuration":26,"studyType":77,"phases":78,"briefSummary":80,"conditions":81,"keywords":84,"overallStatus":100,"whyStopped":26,"lastUpdateSubmitDate":101,"lastUpdatePostDateStruct":102,"startDateStruct":105,"completionDateStruct":107,"leadSponsor":109,"locationsCount":110},{"fullName":5,"class":6},"Hôpital le Vinatier","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Immediate intervention","EXPERIMENTAL","Participants receive the visual-perception session shortly after baseline assessment. They complete neurocognitive and social cognition tests before exposure, immediately after, and again at one-month follow-up.",[13],"Behavioral: Visual-illusion social cognition session (immediate)",{"label":15,"type":16,"description":17,"interventionNames":18},"Delayed Intervention (Wait-list Control)","ACTIVE_COMPARATOR","Participants complete the same assessments as Arm 1 but receive the intervention only after a waiting period. This arm allows comparison between natural progression and workshop effects prior to exposure.",[19],"Behavioral: Visual-illusion social cognition session (delayed)",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"BEHAVIORAL","Visual-illusion social cognition session (immediate)","A guided session of approximately 45 minutes. The core rehabilitation tool consists of multiple-perspective illusion boxes. Each participant stands on one side of the box and perceives a different shape than their partner. The session unfolds in 3 structured phases:\n\n1. For each illusion : Participants observe objects silently and draw what they see.\n2. Perspective confrontation + Card selection: Drawings and interpretation cards are exchanged and discussed.\n3. Perspective switching : Participants swap positions to reveal the alternative visual interpretation.\n\nThe session is followed by a short structured discussion with a psychologist focused on perspective-taking and interpretation of social cues.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Visual-illusion social cognition session (delayed)","A guided session of approximately 45 minutes. The core rehabilitation tool consists of multiple-perspective illusion boxes. Each participant stands on one side of the box and perceives a different shape than their partner. The session unfolds in 3 structured phases: 1. For each illusion : Participants observe objects silently and draw what they see. 2. Perspective confrontation + Card selection: Drawings and interpretation cards are exchanged and discussed. 3. Perspective switching : Participants swap positions to reveal the alternative visual interpretation. The session is followed by a short structured discussion with a psychologist focused on perspective-taking and interpretation of social cues. Delivered after a delay following baseline assessment.",[15],[32,37],{"name":33,"role":34,"phone":35,"phoneExt":26,"email":36},"Joy El KHOURY","CONTACT","+330437915534","joy.el-khoury@inserm.fr",{"name":38,"role":34,"phone":26,"phoneExt":26,"email":39},"Méline Devaluez, PhD","meline.devaluez@ch-le-vinatier.fr",[41],{"facility":42,"status":26,"city":43,"state":26,"zip":44,"country":45,"countryCode":46,"cosmosGeoPoint":47,"geoPoint":52,"contacts":53},"CH Le Vinatier","Bron","69678","France","FR",{"type":48,"coordinates":49},"Point",[50,51],4.91303,45.73865,{"lat":51,"lon":50},[54],{"name":55,"role":56,"phone":26,"phoneExt":26,"email":26},"Frédéric HAESEBAERT, MD, PhD","PRINCIPAL_INVESTIGATOR",{"type":58,"investigatorFullName":26,"investigatorTitle":26,"investigatorAffiliation":26,"oldNameTitle":26,"oldOrganization":26},"SPONSOR",[60],{"name":61,"class":62},"INSERM 1028","UNKNOWN","100637560","using-illusions-to-boost-social-cognition-100637560",false,"NCT07602712","Using Illusions to Boost Social Cognition","Socio-cognitive Benefits of Exposure to Visual Illusions in Patients With Psychotic Disorders","SOLLUSIONS","Inclusion Criteria:\n\n* Aged 18 to 40 years\n* Fluent French speaker\n* Has provided written informed consent\n* For individuals under guardianship (curatorship): inclusion is permitted if the curator is available to assist or advise when needed.\n* Established diagnosis of schizophrenia, schizoaffective disorder, schizophreniform disorder, or brief psychotic disorder according to theDiagnostic and statistical manual of mental disorders (DSM-5-TR) criteria\n* Presence of social cognition impairment, defined by:subjective complaint reported by the participant or identified by care teams regarding difficulties in social interaction and clinical confirmation of observable difficulties (e.g., social withdrawal, misinterpretation of others' intentions, inappropriate social behaviour)\n* Membership or entitlement to a social security plan\n\nExclusion Criteria:\n\n* Clinical state incompatible with participation in group-based activities (e.g., severe psychomotor agitation, severe behavioural disturbance)\n* Concurrent participation in another social cognition remediation program\n* Diagnosis of intellectual disability\n* Insufficient comprehension of French for verbal interaction and test completion\n* Significant change in psychotropic medication within the past month\n* Uncorrectable visual impairment preventing participation\n* Pregnant women\n* Individuals under full guardianship (tutorship)","ALL","18 Years","40 Years",{"count":75,"type":76},60,"ESTIMATED","INTERVENTIONAL",[79],"NA","This study aims to explore whether the observation of complex visual objects can help improve social cognition in people living with psychotic disorders. Social cognition refers to the ability to understand what others think, feel, or intend, and plays a key role in social relationships and daily interactions.\n\nMain questions this study aims to answer:\n\n* Does dyadic exposure to complex visual objects improve mental state attribution, as measured by the Faux Pas Test?\n* Does the intervention enhance related domains of social cognition, including implicit intention inference (Hinting Task), interpretation of complex interactions (Movie for the Assessment of Social Cognition, MASC), and reduction of hostile attribution biases (Ambiguous Intentions Hostility Questionnaire, AIHQ)?\n* Are improvements maintained after one month, and do patients who receive the intervention later (waitlist group) show the same benefits once exposed?",[82,83],"Schizophrenia Spectrum Disorders","Social Cognition",[85,86,83,87,88,89,90,91,92,93,94,95,96,97,98,99],"Schizophrenia","Psychosis","Mentalizing","Theory of Mind","Cognitive Remediation","Metacognition","Perspective-Taking","Visual Illusions","Viewpoint Illusions","Bottom-Up Intervention","Sensorimotor Rehabilitation","Faux Pas Test","Hinting Task","Social Interaction","Rehabilitation in Psychosis","NOT_YET_RECRUITING","2026-05-19",{"date":103,"type":104},"2026-05-22","ACTUAL",{"date":106,"type":76},"2026-07",{"date":108,"type":76},"2029-02",{"name":5,"class":6},1]