{"meta":{"exportedAt":"2026-09-30T07:10:14.125Z","formatVersion":2,"selection":{"q":"japan","system":"","harm":"","context":"","country":"","role":"","relation":"unknown","evidence":"","year":"","response":"","severity":"","verification":"","view":"incidents","sort":"added"},"totalIncidents":1,"coverage":{"cases":1,"countries":1,"languages":0,"unknownLocation":0,"locationPending":0,"unknownLanguage":1,"unknownDate":0,"lawsuits":0,"regulatory":0,"minors":0,"coreRelations":0,"contextualRelations":0,"mixedRelations":0,"unknownRelations":1,"relationPending":1,"relationUnknown":0},"countingNote":"Distinct public cases in this selection. People counts apply within individual cases only; cross-case person overlap has not been resolved. No population incidence estimate.","affectedCountNote":"Interpret person counts with affectedCountStatus and the reported effects. Unquantified zeros are placeholders, not a measured zero.","source":"AI incidents","publisher":"NOPE","url":"https://nope.net/incidents","license":"CC BY 4.0"},"incidents":[{"id":"2025-taka-chatgpt-psychosis-japan","metadataReview":{"version":1,"geography":{"basis":"Geographic fields reviewed against the cited retained dossier passages. This is a metadata review, not a new source or causal review. Residence, event setting and court are recorded separately. Affected-person countries refer to reported location or residence, not citizenship or a complete residence history.","evidence":[{"kind":"existing_record","locator":"in a Tokyo Station toilet","location":"summary","supports":["event_countries","affected_person_countries"],"countries":["JP"]}],"court_countries":[],"event_countries":["JP"],"affected_person_countries":["JP"]},"unresolved":["No court country established in this review. Regulatory authorities and police locations are not automatically courts.","Source languages remain unreviewed; no source body was newly inspected for this record during this metadata pass."],"reviewed_on":"2026-09-15","source_reviews":[]},"name":"'Taka' - ChatGPT Psychosis, Tokyo Station Bomb Scare and Spousal Assault (Japan)","summary":"A Japanese neurologist and father of three developed grandiose and paranoid delusions over months of ChatGPT use, which he says the chatbot consistently affirmed. Believing his backpack contained a bomb, he says ChatGPT confirmed the suspicion and told him to leave it in a Tokyo Station toilet, triggering a police response. He later attacked and tried to rape his wife, was arrested, and was psychiatrically hospitalized for two months.","incidentDate":"2025-06-15","incidentKind":"single_event","incidentDatePrecision":"range","exposurePattern":"cumulative_relationship","reportedDate":"2026-05-03","aiSystem":"ChatGPT","aiProduct":"ChatGPT","aiCompany":"OpenAI","severity":"critical","verificationStatus":"credible","harmCategories":["delusion_reinforcement","crisis_response","third_party_harm_facilitation"],"harmOutcomes":["hospitalization","psychiatric_deterioration","harm_to_others","legal_harm","loss_of_liberty","relationship_disruption"],"harmOutcomeSummary":"A Japanese participant triggered a police response by leaving a backpack he believed contained a bomb, later attacked his wife, was arrested, and spent two months in psychiatric hospital during a ChatGPT-reinforced delusional episode.","frameworkFacets":["P1a","P1c","P1d","P3a","P3b","P3d","P5d"],"pathwayDirection":"both","causationStatus":"alleged","participantUsersAffectedMin":1,"otherPeopleHarmedMin":1,"affectedCountStatus":"exact","affectedCountEvidence":"The reporting documents one hospitalized and arrested AI participant and one spouse who was physically and sexually assaulted.","victimAgeRange":"adult","jurisdiction":"JP","platformType":"assistant","outcomeType":"media_coverage","outcomeStatus":"resolved","primarySourceUrl":"https://www.bbc.com/news/articles/c242pzr1zp2o","primarySourceLabel":"BBC News investigation","firstPublishedAt":"2026-08-10T02:55:27.759114+00:00","updatedAt":"2026-09-30T01:17:17.559139+00:00","scopeVersion":"participant-v2","tags":["chatgpt","openai","psychosis","delusion","adult","violence","japan"]}]}