{"id":"W2044192936","doi":"10.1161/01.str.31.7.1672","title":"MRI Measures of Middle Cerebral Artery Diameter in Conscious Humans During Simulated Orthostasis","year":2000,"lang":"en","type":"article","venue":"Stroke","topic":"Traumatic Brain Injury and Neurovascular Disturbances","field":"Medicine","cited_by":716,"is_retracted":false,"has_abstract":true,"ca_institutions":"Western University","funders":"Medical Research Council; Canadian Space Agency; Natural Sciences and Engineering Research Council of Canada; Medical Research Council Canada","keywords":"Normocapnia; Hypocapnia; Hypercapnia; Medicine; Middle cerebral artery; Anesthesia; Cerebral blood flow; Transcranial Doppler; Cardiology; Ischemia; Acidosis","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001106808,0.0001341509,0.0003490923,0.0001135834,0.0000411453,0.00000895559,0.00007760624,0.00006865046,0.0008717678],"category_scores_gemma":[0.00004387352,0.0001165803,0.0001640456,0.0001422738,0.0001172733,0.00006514243,0.00001034726,0.0001669476,0.00002630766],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001954409,"about_ca_system_score_gemma":0.0000274479,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00005086978,"about_ca_topic_score_gemma":0.0001119413,"domain_scores_codex":[0.998861,0.00006967159,0.0003470997,0.0002368834,0.0002489631,0.000236422],"domain_scores_gemma":[0.9994633,0.00006917344,0.00005138404,0.0003187547,0.00002941086,0.00006799789],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.001895288,0.00115363,0.9191402,0.0009296668,0.0007640236,0.0005708174,0.005675801,0.0007132976,0.0325971,0.00009134251,0.0004273333,0.03604155],"study_design_scores_gemma":[0.005248483,0.000362541,0.9435408,0.0004274798,0.0001615775,0.00007764225,0.0003224209,0.0001119539,0.04779178,0.00008026776,0.001616723,0.0002583476],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.994819,0.0003860383,0.000008257158,0.0001471422,0.00006933143,0.0002559396,0.00003452287,0.00004542586,0.004234373],"genre_scores_gemma":[0.9982963,0.0000537994,0.0001760279,0.0001079336,0.0000443366,0.000006385263,0.00000880015,0.00001677594,0.001289633],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.03578321,"threshold_uncertainty_score":0.9545246,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03406172547700128,"score_gpt":0.253285801399836,"score_spread":0.2192240759228347,"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."}}