{"id":"W4396235142","doi":"10.1016/j.biopsych.2024.02.276","title":"41. Brain-Age Prediction: Systematic Evaluation of Site Effects, and Sample Age Range and Size","year":2024,"lang":"en","type":"article","venue":"Biological Psychiatry","topic":"Health, Environment, Cognitive Aging","field":"Environmental Science","cited_by":2,"is_retracted":false,"has_abstract":false,"ca_institutions":"Montreal Neurological Institute and Hospital; University of British Columbia","funders":"","keywords":"Sample size determination; Range (aeronautics); Sample (material); Psychology; Statistics; Mathematics; Physics; Materials science","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":["metaresearch"],"consensus_categories":[],"category_scores_codex":[0.1881083,0.002131311,0.005605508,0.002607066,0.002359537,0.002019263,0.00464052,0.003873258,0.003585987],"category_scores_gemma":[0.3757085,0.001601686,0.01502947,0.003824614,0.004088706,0.0033366,0.002761295,0.002226573,0.001037287],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001172291,"about_ca_system_score_gemma":0.001906871,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01309063,"about_ca_topic_score_gemma":0.03043795,"domain_scores_codex":[0.7944909,0.1639462,0.01132182,0.02213345,0.006953908,0.001153686],"domain_scores_gemma":[0.5370333,0.3878541,0.01287824,0.05174749,0.008964948,0.001521884],"domain_codex":null,"domain_gemma":"methods","domain_candidate":"methods","domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.01565704,0.0003606343,0.6860828,0.003608153,0.1269113,0.0009057138,0.001820485,0.009472846,0.003571404,0.003728154,0.01083078,0.1370506],"study_design_scores_gemma":[0.004649855,0.003890585,0.7605354,0.001159863,0.1307283,0.001674191,0.0007697862,0.05827934,0.008079227,0.01657761,0.01313495,0.0005209497],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.5447219,0.03204311,0.3873268,0.002310689,0.002757207,0.004941774,0.01455911,0.004788193,0.006551281],"genre_scores_gemma":[0.9319262,0.0007688144,0.06080676,0.0006398208,0.0001557257,0.002207375,0.001553308,0.0005314593,0.001410453],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.8118917,"threshold_uncertainty_score":0.9948238,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02828899611155346,"score_gpt":0.2869482883156443,"score_spread":0.2586592922040908,"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."}}