{"id":"W4213166201","doi":"10.1002/mds.28934","title":"<scp>Neuromelanin‐MRI</scp> to Quantify and Track Nigral Depigmentation in Parkinson's Disease: A Multicenter Longitudinal Study Using Template‐Based Standardized Analysis","year":2022,"lang":"en","type":"article","venue":"Movement Disorders","topic":"Parkinson's Disease Mechanisms and Treatments","field":"Medicine","cited_by":31,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Academy of Medical Sciences; Weston Brain Institute; Biogen; Parkinson's UK; National Institute for Health and Care Research; Michael J. Fox Foundation for Parkinson's Research","keywords":"Neuromelanin; Magnetic resonance imaging; Medicine; Depigmentation; Parkinson's disease; Biomarker; Radiology; Neurology; Nuclear medicine; Receiver operating characteristic; Substantia nigra; Pathology; Disease; Internal medicine; Biology; Dermatology","routes":{"ca_aff":false,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[{"model":"gemma","categories":[],"domain":null,"study_design":"observational","genre":"empirical","about_ca_system":false,"about_ca_topic":false,"confidence":"low","status":"direct model label, unvalidated"},{"model":"gpt","categories":[],"domain":null,"study_design":"observational","genre":"empirical","about_ca_system":false,"about_ca_topic":false,"confidence":"low","status":"direct model label, unvalidated"}],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0003028566,0.0003114189,0.0004886392,0.0008259799,0.0003174281,0.00006883202,0.00009815878,0.00002568628,0.0001396],"category_scores_gemma":[0.00004068253,0.0003128596,0.0002018672,0.001146452,0.00002705405,0.0001000886,0.0001145593,0.0001475317,0.000003153485],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003699122,"about_ca_system_score_gemma":0.00008497748,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000817396,"about_ca_topic_score_gemma":0.001126496,"domain_scores_codex":[0.9973716,0.0002219439,0.0003920932,0.00075485,0.000815359,0.0004441158],"domain_scores_gemma":[0.999079,0.00006892312,0.0001293234,0.0003265604,0.00003596503,0.0003601749],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0008524117,0.003468083,0.9872266,0.00004058289,0.0008199086,0.0002850374,0.0007300444,0.005631167,0.0002332874,0.000007100238,0.0001883936,0.0005173542],"study_design_scores_gemma":[0.01032732,0.0008234989,0.9650275,0.00002139527,0.001941423,2.29381e-7,0.004089931,0.01561029,0.00005862343,0.0001163126,0.001843397,0.000140115],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9939343,0.0003551721,0.002694468,0.0003222965,0.0001253082,0.002190384,0.0002973208,0.00005366349,0.00002713677],"genre_scores_gemma":[0.9973378,0.00003311088,0.0008288153,0.000983933,0.0000156603,0.0004961307,0.0002024745,0.00003985768,0.00006225039],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02219916,"threshold_uncertainty_score":0.9999323,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03209404571288826,"score_gpt":0.3165638467058156,"score_spread":0.2844698009929273,"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."}}