[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"branding":3,"analytics":7,"article-feeding-ai-more-patient-history-doesnt-make-it-smarter":10,"sections":34},{"siteName":4,"siteTagline":5,"publisherName":4,"contactEmail":6},"The Revision","Tech news, decoded.","editor@therevision.news",{"gaMeasurementId":8,"adsenseClientId":9},"G-ZW2MV82GYR","ca-pub-8533917693782264",{"article":11},{"id":12,"slug":13,"title":14,"dek":15,"body_md":16,"tags_json":17,"published_at":18,"created_at":19,"updated_at":20,"status":21,"review_note":22,"review_notes":23,"image_url":22,"persona_id":22,"persona_name":22,"section":24,"tags":25,"sources":29,"feedback":33,"feedback_at":22,"cost_usd":33,"total_tokens":33},9642,"feeding-ai-more-patient-history-doesnt-make-it-smarter","Feeding AI More Patient History Doesn't Make It Smarter","A new benchmark study finds that how clinical AI models select and organize a patient's medical history matters more than how much they can read at once.","Longer context windows don't automatically make AI better at tracking a patient's medical history.\n\nResearchers evaluated four open-weight language models on MedLoCoMo, a benchmark for longitudinal clinical reasoning, testing five different ways of feeding those models a patient's history. One method just stuffs the full record into the context window; others select recent events, group history into episodes, extract semantic facts, or blend several of those approaches into a hybrid. The episodic and hybrid strategies produced the most accurate answers overall, and held up best when the evidence a question depended on was buried far back in the record. The strategy that leaned on recent events degraded the fastest as relevant information got older.\n\nThat's a problem for the industry's current pitch that bigger context windows solve long-document reasoning: more history available doesn't mean more history gets used correctly, and in a clinical setting, missed evidence is a patient-safety issue, not just a UX quirk. Just as concerning, the study found that models which answered supported questions well didn't reliably recognize when a question had no real answer in the chart, meaning confident-sounding wrong answers remain a live risk even in well-performing systems.\n\nContext length is a spec sheet number; knowing where to look in a patient's chart is a different skill, and this paper suggests most models still haven't learned it.","[\"ai\",\"healthcare\",\"llms\",\"research\"]","2026-10-02T04:00:00.000Z","2026-10-03T04:18:40.562Z","2026-10-03T04:18:46.941Z","published",null,[],"ai",[24,26,27,28],"healthcare","llms","research",[30],{"name":31,"url":32},"arXiv cs.AI","https:\u002F\u002Farxiv.org\u002Fabs\u002F2610.00562",0,{"sections":35},[36,39,43,47,52,56,60,65,70,75,80,85,90,95],{"name":37,"slug":24,"count":38,"latest_published_at":18},"AI",5977,{"name":40,"slug":41,"count":42,"latest_published_at":18},"Security","security",842,{"name":44,"slug":45,"count":46,"latest_published_at":18},"Policy","policy",438,{"name":48,"slug":49,"count":50,"latest_published_at":51},"Deals","deals",317,"2026-10-01T22:00:00.000Z",{"name":53,"slug":54,"count":55,"latest_published_at":18},"Hardware","hardware",199,{"name":57,"slug":58,"count":59,"latest_published_at":18},"Science","science",173,{"name":61,"slug":62,"count":63,"latest_published_at":64},"Consumer Tech","consumer-tech",155,"2026-10-01T19:54:10.000Z",{"name":66,"slug":67,"count":68,"latest_published_at":69},"Dev Tools","dev-tools",96,"2026-10-01T16:57:03.000Z",{"name":71,"slug":72,"count":73,"latest_published_at":74},"Software","software",93,"2026-09-30T21:41:11.000Z",{"name":76,"slug":77,"count":78,"latest_published_at":79},"Startups","startups",90,"2026-10-01T21:55:22.000Z",{"name":81,"slug":82,"count":83,"latest_published_at":84},"Gaming","gaming",53,"2026-10-02T02:50:39.000Z",{"name":86,"slug":87,"count":88,"latest_published_at":89},"General","general",50,"2026-09-30T21:37:54.000Z",{"name":91,"slug":92,"count":93,"latest_published_at":94},"Reviews","reviews",31,"2026-09-28T14:31:34.000Z",{"name":96,"slug":97,"count":98,"latest_published_at":99},"How-To","how-to",7,"2026-10-01T09:00:00.000Z"]