{"id":"W2959180649","doi":"10.3389/fneur.2019.00726","title":"Measurement Variability Following MRI System Upgrade","year":2019,"lang":"en","type":"article","venue":"Frontiers in Neurology","topic":"Advanced MRI Techniques and Applications","field":"Medicine","cited_by":36,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université Laval; Université de Montréal; Institut Universitaire de Gériatrie de Montréal; Toronto Metropolitan University; Montreal Neurological Institute and Hospital; Douglas Mental Health University Institute; McGill University","funders":"Fonds de Recherche du Québec - Santé; Canadian Institutes of Health Research; Pfizer Canada; Alzheimer's Society; Consortium canadien en neurodégénérescence associée au vieillissement; Pfizer","keywords":"Upgrade; Magnetic resonance imaging; Medicine; Computer science; Radiology","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000391375,0.00009849961,0.0002964822,0.00008699461,0.00002484158,0.000002827621,0.00009532686,0.0001127305,0.000007453634],"category_scores_gemma":[0.00004007077,0.00009288819,0.00008118543,0.0001594563,0.00002670703,0.00003133944,0.00003474436,0.0002502853,0.00001541595],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001240717,"about_ca_system_score_gemma":0.00003936507,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00000941183,"about_ca_topic_score_gemma":0.000001299534,"domain_scores_codex":[0.998994,0.00006800332,0.0002206502,0.0003293633,0.000162447,0.0002255159],"domain_scores_gemma":[0.9994131,0.0000168744,0.00004867751,0.0004347076,0.00002916855,0.00005749262],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0003485041,0.0002749465,0.9705507,0.0002199365,0.00003912212,0.0001090436,0.00008757225,0.0005050714,0.004866463,0.006432531,0.01118889,0.005377194],"study_design_scores_gemma":[0.01170705,0.003135368,0.3935983,0.0005014747,0.0004330432,0.000467529,0.0005882859,0.04964878,0.007278302,0.02143866,0.5099193,0.00128386],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.2427988,0.0002979508,0.7369487,0.004701643,0.001878248,0.001992223,0.000003129877,0.0003778215,0.01100154],"genre_scores_gemma":[0.9662428,0.00001283562,0.03281764,0.000682961,0.00004251121,0.0001090898,0.000003011411,0.00001651731,0.00007263607],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.723444,"threshold_uncertainty_score":0.378787,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01037162171804515,"score_gpt":0.2525043197301896,"score_spread":0.2421326980121444,"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."}}