{"id":"W4412552647","doi":"10.1002/alz.70496","title":"24‐hour activity cycle behaviors and gray matter volume in mild cognitive impairment","year":2025,"lang":"en","type":"article","venue":"Alzheimer s & Dementia","topic":"Physical Activity and Health","field":"Medicine","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"Vancouver Coastal Health Research Institute; University of British Columbia; Concordia University; Vancouver Coastal Health","funders":"Canadian Institutes of Health Research; Heart and Stroke Foundation of Canada; Fondation pour la Recherche sur Alzheimer; Michael Smith Health Research BC; Vancouver Coastal Health Research Institute; Canada Research Chairs","keywords":"Actigraphy; Cognitive impairment; Physical activity; Medicine; Brain size; Atrophy; Cognition; Internal medicine; Psychology; Cardiology; Disease; Physical therapy; Magnetic resonance imaging; Psychiatry","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0004648374,0.0003864957,0.0004146168,0.0004092822,0.0002688399,0.0004326746,0.0003786336,0.000482375,0.002023831],"category_scores_gemma":[0.0009977905,0.000146183,0.0003231083,0.0004837508,0.0002324374,0.0002235208,0.0003351488,0.0004157856,0.0002420864],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0003078971,"about_ca_system_score_gemma":0.0003263567,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.007764877,"about_ca_topic_score_gemma":0.008628998,"domain_scores_codex":[0.999917,0.0000246649,0.000006876408,0.00002240229,0.00001455189,0.00001441354],"domain_scores_gemma":[0.9995602,0.00008397079,0.0001988807,0.0000247678,0.00004944568,0.00008268991],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.009474972,0.0008165371,0.9510861,0.0003837238,0.0006431329,0.00009617025,0.0001363985,0.0004161191,0.001740881,0.0000792995,0.001248016,0.03387855],"study_design_scores_gemma":[0.00007787978,0.0004697136,0.9987249,0.00002907391,0.00008767171,0.00004326712,0.00002008996,0.0001568066,0.0000973668,0.00008282996,0.0002071987,0.000003215212],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9947346,0.002787065,0.00008601914,0.000129276,0.00001174988,0.00004794389,0.001248724,0.00001611816,0.0009384702],"genre_scores_gemma":[0.9974312,0.0006296799,0.0002358663,0.0000759862,0.00002216886,0.00007245656,0.001115771,0.000003376419,0.0004133696],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.007764877,"threshold_uncertainty_score":0.01543933,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02495348420509099,"score_gpt":0.3196373172493623,"score_spread":0.2946838330442714,"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."}}