{"id":"https://openalex.org/W7165640796","doi":"https://doi.org/10.48550/arxiv.2606.21078","title":"A Validation-Gated Mechanistic Account of Suicidality Detection in LLMs","display_name":"A Validation-Gated Mechanistic Account of Suicidality Detection in LLMs","publication_year":2026,"publication_date":"2026-06-19","ids":{"openalex":"https://openalex.org/W7165640796","doi":"https://doi.org/10.48550/arxiv.2606.21078"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2606.21078","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.21078","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2606.21078","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5139161905","display_name":"Nafiz Ahmed","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ahmed, Nafiz","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5128194497","display_name":"Sarah Sharif","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sharif, Sarah","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005524979","display_name":"Dingjing Shi","orcid":"https://orcid.org/0000-0002-5652-3818"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Shi, Dingjing","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5095926817","display_name":"Mike Banad","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Banad, Mike","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.9447000026702881,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12488","display_name":"Mental Health via Writing","score":0.9447000026702881,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10376","display_name":"Suicide and Self-Harm Studies","score":0.026499999687075615,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T11519","display_name":"Digital Mental Health Interventions","score":0.005200000014156103,"subfield":{"id":"https://openalex.org/subfields/3202","display_name":"Applied Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/task","display_name":"Task (project management)","score":0.5512999892234802},{"id":"https://openalex.org/keywords/property","display_name":"Property (philosophy)","score":0.4860000014305115},{"id":"https://openalex.org/keywords/poison-control","display_name":"Poison control","score":0.476500004529953},{"id":"https://openalex.org/keywords/feature","display_name":"Feature (linguistics)","score":0.43619999289512634},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.4296000003814697},{"id":"https://openalex.org/keywords/expression","display_name":"Expression (computer science)","score":0.3928999900817871},{"id":"https://openalex.org/keywords/causal-model","display_name":"Causal model","score":0.3822999894618988},{"id":"https://openalex.org/keywords/encoding","display_name":"Encoding (memory)","score":0.36419999599456787},{"id":"https://openalex.org/keywords/raising","display_name":"Raising (metalworking)","score":0.3610999882221222}],"concepts":[{"id":"https://openalex.org/C2780451532","wikidata":"https://www.wikidata.org/wiki/Q759676","display_name":"Task (project management)","level":2,"score":0.5512999892234802},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.48890000581741333},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.486299991607666},{"id":"https://openalex.org/C189950617","wikidata":"https://www.wikidata.org/wiki/Q937228","display_name":"Property (philosophy)","level":2,"score":0.4860000014305115},{"id":"https://openalex.org/C3017944768","wikidata":"https://www.wikidata.org/wiki/Q1450463","display_name":"Poison control","level":2,"score":0.476500004529953},{"id":"https://openalex.org/C2776401178","wikidata":"https://www.wikidata.org/wiki/Q12050496","display_name":"Feature (linguistics)","level":2,"score":0.43619999289512634},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.4296000003814697},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.42739999294281006},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.3928999900817871},{"id":"https://openalex.org/C11671645","wikidata":"https://www.wikidata.org/wiki/Q5054567","display_name":"Causal model","level":2,"score":0.3822999894618988},{"id":"https://openalex.org/C125411270","wikidata":"https://www.wikidata.org/wiki/Q18653","display_name":"Encoding (memory)","level":2,"score":0.36419999599456787},{"id":"https://openalex.org/C2780589192","wikidata":"https://www.wikidata.org/wiki/Q7285140","display_name":"Raising (metalworking)","level":2,"score":0.3610999882221222},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.352400004863739},{"id":"https://openalex.org/C2780791683","wikidata":"https://www.wikidata.org/wiki/Q846785","display_name":"Action (physics)","level":2,"score":0.3488999903202057},{"id":"https://openalex.org/C526869908","wikidata":"https://www.wikidata.org/wiki/Q3298118","display_name":"Suicide prevention","level":3,"score":0.3422999978065491},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.34139999747276306},{"id":"https://openalex.org/C90329073","wikidata":"https://www.wikidata.org/wiki/Q914232","display_name":"Ask price","level":2,"score":0.33410000801086426},{"id":"https://openalex.org/C166735990","wikidata":"https://www.wikidata.org/wiki/Q1750812","display_name":"Human factors and ergonomics","level":3,"score":0.3310000002384186},{"id":"https://openalex.org/C2780902518","wikidata":"https://www.wikidata.org/wiki/Q6033780","display_name":"Inheritance (genetic algorithm)","level":3,"score":0.3093999922275543},{"id":"https://openalex.org/C2776035688","wikidata":"https://www.wikidata.org/wiki/Q1606558","display_name":"Affect (linguistics)","level":2,"score":0.30640000104904175},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.30489999055862427},{"id":"https://openalex.org/C2776502983","wikidata":"https://www.wikidata.org/wiki/Q690182","display_name":"Contrast (vision)","level":2,"score":0.30079999566078186},{"id":"https://openalex.org/C190385971","wikidata":"https://www.wikidata.org/wiki/Q373494","display_name":"Injury prevention","level":3,"score":0.296099990606308},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.29280000925064087},{"id":"https://openalex.org/C106347477","wikidata":"https://www.wikidata.org/wiki/Q5384228","display_name":"Equating","level":3,"score":0.28839999437332153},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.2816999852657318},{"id":"https://openalex.org/C2780801425","wikidata":"https://www.wikidata.org/wiki/Q5164392","display_name":"Construct (python library)","level":2,"score":0.2773999869823456},{"id":"https://openalex.org/C64357122","wikidata":"https://www.wikidata.org/wiki/Q1149766","display_name":"Causality (physics)","level":2,"score":0.273499995470047},{"id":"https://openalex.org/C2780842732","wikidata":"https://www.wikidata.org/wiki/Q3518184","display_name":"Suicide attempt","level":4,"score":0.27090001106262207},{"id":"https://openalex.org/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.27059999108314514},{"id":"https://openalex.org/C126398093","wikidata":"https://www.wikidata.org/wiki/Q2202238","display_name":"Lexical decision task","level":3,"score":0.2667999863624573},{"id":"https://openalex.org/C138496976","wikidata":"https://www.wikidata.org/wiki/Q175002","display_name":"Developmental psychology","level":1,"score":0.2556999921798706},{"id":"https://openalex.org/C204321447","wikidata":"https://www.wikidata.org/wiki/Q30642","display_name":"Natural language processing","level":1,"score":0.25189998745918274}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2606.21078","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.21078","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2606.21078","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2606.21078","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/4","display_name":"Quality Education","score":0.7232739329338074}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Large":[0],"language":[1],"models":[2,225],"are":[3],"increasingly":[4],"proposed":[5],"for":[6,204],"mental-health":[7],"applications":[8],"such":[9],"as":[10,53,98,100,212],"detecting":[11],"suicidal":[12,122],"content,":[13],"raising":[14],"the":[15,62,75,110,159,164,200,247],"question":[16],"of":[17],"what":[18],"they":[19],"rely":[20],"on.":[21],"We":[22,133],"study":[23],"this":[24],"mechanistically":[25],"and":[26,84,173,179],"use":[27],"it":[28,78,140,162,190,211],"to":[29,35,66,135,234],"ask":[30],"a":[31,37,41,54,58,69,80,91,146,166],"narrower":[32],"question:":[33],"how":[34],"make":[36],"causal":[38],"claim":[39],"about":[40],"model's":[42,201],"internal":[43],"features":[44],"more":[45,193],"trustworthy.":[46],"Our":[47],"validation-gated":[48],"framework,":[49],"with":[50],"suicidality":[51,192],"detection":[52],"case":[55],"study,":[56],"interprets":[57],"behavior":[59],"only":[60,73,230],"after":[61],"model":[63,76,177],"is":[64,71,88,155,171,241],"shown":[65],"perform":[67],"it:":[68],"concept":[70],"admitted":[72],"once":[74],"ranks":[77],"above":[79],"simple":[81],"lexical":[82],"baseline,":[83],"each":[85],"subsequent":[86],"property":[87],"tested":[89],"against":[90],"matched":[92],"control.":[93],"This":[94],"discipline":[95],"yields":[96],"negative":[97],"well":[99],"positive":[101,239],"results.":[102],"The":[103,217,238],"gate":[104],"rules":[105],"out":[106],"one":[107],"task":[108],"at":[109],"outset:":[111],"on":[112,236],"DeepSuiMind":[113],"(Li":[114],"et":[115],"al.":[116],"2025),":[117],"Llama-3.1-8B-Instruct":[118],"cannot":[119],"separate":[120],"implicit":[121],"intent":[123],"from":[124,222],"ordinary":[125],"distress,":[126],"so":[127,208],"we":[128,144,209],"do":[129],"not":[130,215],"analyze":[131],"it.":[132,237],"turn":[134],"binary":[136],"suicide":[137,181],"detection,":[138],"which":[139,245],"does":[141,169],"perform.":[142],"There":[143],"find":[145],"mid-network":[147],"feature":[148],"that":[149],"appears":[150],"semantic":[151],"rather":[152],"than":[153,195],"keyword-based,":[154],"causally":[156],"implicated":[157],"in":[158],"decision":[160],"(ablating":[161],"degrades":[163],"judgment;":[165],"random":[167],"direction":[168],"not),":[170],"low-rank,":[172],"recurs":[174],"across":[175],"three":[176,180],"families":[178],"datasets.":[182],"A":[183],"register-matched":[184],"control":[185],"(suicide":[186],"versus":[187],"depression)":[188],"suggests":[189],"tracks":[191],"specifically":[194],"general":[196],"distress.":[197],"Steering":[198],"raises":[199],"response,":[202],"but":[203,214],"unrelated":[205],"questions":[206],"too,":[207],"treat":[210],"necessary":[213],"sufficient.":[216],"clearest":[218],"pattern":[219],"separates":[220],"encoding":[221],"use:":[223],"smaller":[224],"already":[226],"represent":[227],"suicidality,":[228],"yet":[229],"larger":[231],"ones":[232],"appear":[233],"act":[235],"evidence":[240],"English":[242],"Reddit":[243],"text,":[244],"limits":[246],"clinical":[248],"reading.":[249]},"counts_by_year":[],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2026-06-24T00:00:00"}