{"id":"W2041135149","doi":"10.1155/2013/657508","title":"A Review of the Effects of Physical Activity and Exercise on Cognitive and Brain Functions in Older Adults","year":2013,"lang":"en","type":"review","venue":"Journal of Aging Research","topic":"Dementia and Cognitive Impairment Research","field":"Medicine","cited_by":894,"is_retracted":false,"has_abstract":true,"ca_institutions":"Vancouver Coastal Health Research Institute; University of British Columbia; Vancouver Coastal Health; Concordia University; Institut Universitaire de Gériatrie de Montréal","funders":"","keywords":"Dementia; Medicine; Gerontology; Intervention (counseling); Cognition; Cognitive impairment; Physical activity; Cognitive decline; Brain aging; Clinical psychology; Physical therapy; Psychiatry; Disease; Pathology","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":[0.0008026096,0.001095535,0.002458266,0.004593253,0.0003054325,0.0008399228,0.0009649663,0.0009234836,0.00424701],"category_scores_gemma":[0.001766103,0.0004146708,0.001210112,0.004603312,0.0002905273,0.001126314,0.0005973317,0.0008403503,0.0008663067],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0005256372,"about_ca_system_score_gemma":0.00171994,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002445885,"about_ca_topic_score_gemma":0.004982974,"domain_scores_codex":[0.999563,0.00008683433,0.0001543751,0.0000573366,0.0001151029,0.00002323219],"domain_scores_gemma":[0.999173,0.0004853202,0.0001663043,0.00001226486,0.0001265938,0.00003654273],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.0001449098,0.00007535278,0.0002573836,0.22036,0.0004918951,0.0001812497,0.0001432337,0.0001751468,0.0007713321,0.0007155749,0.01876247,0.7579214],"study_design_scores_gemma":[0.0001110489,0.0004390593,0.008409896,0.1772914,0.003589048,0.002847454,0.0003020661,0.0001345864,0.0006232488,0.001442253,0.8047464,0.00006346838],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.00006731605,0.9996356,0.00002240611,0.00004988093,0.00004977691,0.000005141814,0.00002065447,0.000001961853,0.0001472916],"genre_scores_gemma":[0.0003215758,0.9994119,0.00008025821,0.00004659412,0.00003758055,0.000006853718,0.00001714547,3.623964e-7,0.00007765699],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.004593253,"threshold_uncertainty_score":0.01420766,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04743988125428523,"score_gpt":0.4416102449165024,"score_spread":0.3941703636622172,"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."}}