{"id":"W7132962706","doi":"","title":"Modeling Isotropic and Anisotropic Diffusion in Aging Brain White Matter with MRI","year":2022,"lang":"","type":"dissertation","venue":"TSpace","topic":"Advanced Neuroimaging Techniques and Applications","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto","funders":"","keywords":"Anisotropy; Isotropy; White matter; Diffusion MRI; Fractional anisotropy; Diffusion","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":[0.0009272264,0.0007869052,0.0006499435,0.0006200986,0.0002920347,0.001264573,0.001048442,0.001715953,0.0007327177],"category_scores_gemma":[0.002949429,0.000628927,0.001171624,0.0005334327,0.0006415008,0.0009930482,0.0007529229,0.0008503452,0.0003437623],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0008131706,"about_ca_system_score_gemma":0.001192987,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01572739,"about_ca_topic_score_gemma":0.009849791,"domain_scores_codex":[0.9998416,0.00005236743,0.000008472051,0.00004925038,0.00002641621,0.00002190031],"domain_scores_gemma":[0.999441,0.0003131647,0.0001116435,0.00004208523,0.00006073534,0.00003132144],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00004997601,0.00003742906,0.001177674,0.00006016506,0.00004541433,0.00008430329,0.00008955349,0.9779243,0.003056505,0.008711709,0.0005861649,0.008176837],"study_design_scores_gemma":[0.000005331476,0.00001783349,0.0002925545,0.000009058419,0.00000998295,0.00002701238,0.000008087733,0.9951448,0.0003076351,0.003486402,0.0006828732,0.000008366362],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1708246,0.002493548,0.8187094,0.001221536,0.000149342,0.0001651524,0.0004587865,0.0007207016,0.005256862],"genre_scores_gemma":[0.7840731,0.005099598,0.1929879,0.0003491573,0.0002108828,0.0004512781,0.0005392599,0.0002520254,0.0160369],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.01572739,"threshold_uncertainty_score":0.0312717,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02629674239357279,"score_gpt":0.3581952664341419,"score_spread":0.3318985240405691,"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."}}