{"id":"W4390194759","doi":"10.1002/alz.073778","title":"T1w/T2w MRI ratio brain signature across degenerative syndromes and their cognitive impairment continuum and mixed presentations","year":2023,"lang":"en","type":"article","venue":"Alzheimer s & Dementia","topic":"Dementia and Cognitive Impairment Research","field":"Medicine","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université du Québec; Université Laval","funders":"","keywords":"Dementia; Cognitive decline; Psychology; Audiology; Cognitive impairment; Cognition; Lewy body; Lewy body disease; Medicine; Disease; Internal medicine; Dementia with Lewy bodies; Psychiatry","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0007012957,0.00058387,0.0004278524,0.002578766,0.0004532369,0.0009145191,0.000449995,0.00035413,0.002408064],"category_scores_gemma":[0.002129863,0.0001948651,0.0002893399,0.001010357,0.0005202093,0.0005659409,0.0006875297,0.0003103346,0.0002528249],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002830399,"about_ca_system_score_gemma":0.000264164,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004065393,"about_ca_topic_score_gemma":0.005027249,"domain_scores_codex":[0.9995986,0.0000603044,0.00005960205,0.0001461456,0.00007361929,0.00006179285],"domain_scores_gemma":[0.9991721,0.0001761098,0.0003239432,0.00006906094,0.0001353456,0.0001235184],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002003123,0.0001079415,0.976832,0.0000650511,0.0002718521,0.001139596,0.00055284,0.0001630297,0.01016342,0.0001779398,0.0001924904,0.008330644],"study_design_scores_gemma":[0.00001882448,0.0001681709,0.9961478,0.000006983443,0.0000436486,0.002073803,0.0003019959,0.0002116666,0.0007346336,0.0001825396,0.0001037866,0.000006307968],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9991006,0.0001233097,0.0001476121,0.00001335529,0.000001841811,0.000008884756,0.0001822297,0.000006008241,0.0004162928],"genre_scores_gemma":[0.9994251,0.00002782171,0.0001925716,0.00001083489,0.00000525981,0.000008646575,0.0002421887,0.000003991353,0.00008360882],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004065393,"threshold_uncertainty_score":0.008083463,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03027901537159046,"score_gpt":0.3391038674581696,"score_spread":0.3088248520865792,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}