{"id":"W3042852059","doi":"10.1007/s00330-020-07054-7","title":"MR elastography frequency–dependent and independent parameters demonstrate accelerated decrease of brain stiffness in elder subjects","year":2020,"lang":"en","type":"article","venue":"European Radiology","topic":"Ultrasound Imaging and Elastography","field":"Medicine","cited_by":36,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia","funders":"National Institute of Neurological Disorders and Stroke; Beijing Friendship Hospital, Capital Medical University; China Postdoctoral Science Foundation; National Natural Science Foundation of China","keywords":"White matter; Medicine; Parenchyma; Elastography; Putamen; Magnetic resonance elastography; Thalamus; Ultrasound; Nuclear medicine; Internal medicine; Cardiology; Magnetic resonance imaging; Pathology; 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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002213362,0.0003771443,0.0002942541,0.0004323169,0.0001291312,0.0002196895,0.00009451686,0.0003610463,0.001419396],"category_scores_gemma":[0.000796509,0.0001576479,0.0001493369,0.0003090703,0.0001503416,0.0002309526,0.0001603058,0.0002211959,0.0002666215],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005082882,"about_ca_system_score_gemma":0.00007127682,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008221721,"about_ca_topic_score_gemma":0.0008919367,"domain_scores_codex":[0.9999372,0.00001346987,0.000008922631,0.00001530947,0.00001306954,0.00001202786],"domain_scores_gemma":[0.9997076,0.00007457134,0.0001088779,0.00003166448,0.00003877102,0.00003848603],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.005077469,0.0004464716,0.5872922,0.0002486302,0.0003875658,0.003164996,0.001287355,0.0003956964,0.3538231,0.0001531277,0.0007337529,0.04698953],"study_design_scores_gemma":[0.000006615742,0.0002031911,0.9963315,0.000003658256,0.00003135999,0.0009710976,0.00006911765,0.0001361714,0.002044261,0.00003818277,0.0001615078,0.000003350473],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9986853,0.0003262197,0.0003653235,0.00002173006,0.000005771835,0.000003411803,0.0001097422,0.00001637286,0.0004662683],"genre_scores_gemma":[0.9988772,0.0001473662,0.0003068348,0.00002938791,0.00002058176,0.00000629864,0.0001312214,0.000006202679,0.0004749268],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001419396,"threshold_uncertainty_score":0.004748344,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02164076399188011,"score_gpt":0.2438153748733264,"score_spread":0.2221746108814462,"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."}}