{"id":"W4405005148","doi":"10.21037/qims-24-1100","title":"Voxel-based evaluation for [18F] Florbetaben brain β-amyloid positron emission tomography of healthy control, mild cognitive impairment, and Alzheimer’s disease","year":2024,"lang":"en","type":"article","venue":"Quantitative Imaging in Medicine and Surgery","topic":"Dementia and Cognitive Impairment Research","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"Artificial Intelligence in Medicine (Canada)","funders":"National Science and Technology Council","keywords":"Positron emission tomography; Voxel; Cognitive impairment; Medicine; β amyloid; Disease; Amyloid (mycology); Neuroscience; Pathology; Alzheimer's disease; Nuclear medicine; Psychology; Radiology","routes":{"ca_aff":true,"ca_fund":false,"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":[0.003792745,0.0002428405,0.0006064367,0.001094362,0.00009783608,0.00003045311,0.00003474525,0.00003648222,0.00006372932],"category_scores_gemma":[0.00134349,0.0001894693,0.0001421947,0.0005013708,0.0004708079,0.0002026421,0.0000186511,0.000195373,0.000001065621],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00004021744,"about_ca_system_score_gemma":0.0005051657,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00009748881,"about_ca_topic_score_gemma":0.000006848675,"domain_scores_codex":[0.9975125,0.0004117527,0.0005542102,0.0005122845,0.0006103351,0.0003989263],"domain_scores_gemma":[0.9944226,0.004529072,0.0001109693,0.0001113099,0.0005049648,0.0003210539],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.006981848,0.0003687399,0.9419666,0.001768695,0.0003139377,0.0001131782,0.0008194425,0.000001390003,0.003679076,0.0002612461,0.006862347,0.03686352],"study_design_scores_gemma":[0.01073638,0.002053943,0.894529,0.007727697,0.001634708,0.00001459095,0.002578344,0.07767317,0.0009584494,0.001079917,0.0007101806,0.0003035545],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9119356,0.05674545,0.004939672,0.02354186,0.0001887276,0.002339353,0.00009560047,0.00004431075,0.0001694492],"genre_scores_gemma":[0.995959,0.0004989296,0.000219448,0.002613592,0.00008712336,0.0002686013,0.0003007042,0.00003024353,0.00002238166],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.08402339,"threshold_uncertainty_score":0.7726335,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06343229254736332,"score_gpt":0.4242257003041521,"score_spread":0.3607934077567888,"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."}}