{"id":"W4244714607","doi":"10.2514/6.iac-04-g.p.07","title":"Effect of 4-hours of 6 Degrees Head down tilt Bed Rest on Cardiac Function during an Orthostatic Tolerance Test","year":2004,"lang":"en","type":"article","venue":"55th International Astronautical Congress of the International Astronautical Federation, the International Academy of Astronautics, and the International Institute of Space Law","topic":"Spaceflight effects on biology","field":"Medicine","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Waterloo","funders":"","keywords":"Head-Down Tilt; Bed rest; Orthostatic vital signs; Tilt (camera); Rest (music); Cardiac function curve; Head (geology); Medicine; Cardiology; Physical medicine and rehabilitation; Internal medicine; Control theory (sociology); Computer science; Structural engineering; Geology; Blood pressure; Engineering; Artificial intelligence; Heart failure","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":[0.0003299649,0.001142203,0.001497719,0.0002258106,0.000510526,0.0004818708,0.0003255416,0.0007951846,0.00218994],"category_scores_gemma":[0.001236563,0.0002343431,0.0007378567,0.0002719725,0.0004415721,0.0002710194,0.0002960073,0.001247986,0.000448171],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001923907,"about_ca_system_score_gemma":0.0004750363,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002325766,"about_ca_topic_score_gemma":0.003861215,"domain_scores_codex":[0.9997936,0.0000528093,0.00001979667,0.00003041855,0.00002207788,0.00008131388],"domain_scores_gemma":[0.9992868,0.0002499958,0.00006086837,0.00006156802,0.00006525691,0.0002754497],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"randomized_trial","study_design_gemma":"observational","study_design_scores_codex":[0.8180287,0.01125684,0.01752952,0.0002823885,0.0005719022,0.001076636,0.0006639831,0.0005333662,0.1177876,0.00008659744,0.0009861103,0.03119629],"study_design_scores_gemma":[0.01993679,0.2934323,0.608282,0.0001495945,0.001736616,0.0005839194,0.001116328,0.001685942,0.06961295,0.0001956619,0.003115883,0.000151914],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980906,0.000595038,0.0001331172,0.00009298214,0.0002301277,0.00004137701,0.0002343662,0.00001969982,0.0005626208],"genre_scores_gemma":[0.9976418,0.0003786065,0.0001745304,0.0001418718,0.0002475121,0.00007428769,0.0003558129,0.000007589609,0.0009780497],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002325766,"threshold_uncertainty_score":0.007326066,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01274883563523735,"score_gpt":0.2927572958601501,"score_spread":0.2800084602249128,"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."}}