{"id":"W4416327451","doi":"10.2196/80584","title":"Associations of Wearable-Measured Sleep and Physical Activity With Memory Performance in Older Adults: Cross-Sectional Study With Actigraphy and MRI","year":2025,"lang":"en","type":"article","venue":"JMIR Aging","topic":"Sleep and related disorders","field":"Psychology","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Actigraphy; Sleep (system call); Physical activity; Motor activity; Physical exercise","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000139452,0.000110838,0.0001727083,0.0001851544,0.0001235298,0.00002449123,0.00004731839,0.0000691621,0.00001061772],"category_scores_gemma":[0.000005044298,0.00008671098,0.00001981181,0.0004400452,0.0001139915,0.000147926,0.00001810122,0.000285124,8.040153e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002129478,"about_ca_system_score_gemma":0.00002188799,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002180929,"about_ca_topic_score_gemma":0.0001900113,"domain_scores_codex":[0.9992419,0.00006704158,0.0001070066,0.0002752554,0.0001467403,0.0001620063],"domain_scores_gemma":[0.9996269,0.0000841865,0.00008192293,0.0001268982,0.00005360604,0.00002648482],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0004793361,0.001144823,0.986734,0.00002697275,0.0003475556,0.000002585274,0.00700041,0.0001243934,0.00002572642,0.00001381845,0.00001246122,0.004087973],"study_design_scores_gemma":[0.004928069,0.0001802374,0.9911906,0.00009058308,0.00004398996,0.000002640875,0.002920403,0.0004916497,0.00004115154,0.000007160793,0.000003854842,0.0000997216],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9955341,0.0001310953,0.00003526246,0.00005569723,0.00006535495,0.0005135319,0.00000404462,0.0000274441,0.003633502],"genre_scores_gemma":[0.9997025,0.000007070317,0.00001583236,0.00001785813,0.00001339425,0.00008982149,0.000001503814,0.000008667947,0.0001434164],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004456594,"threshold_uncertainty_score":0.3535971,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.009326661547774732,"score_gpt":0.298682946003326,"score_spread":0.2893562844555512,"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."}}