Search results for "predictability decomposition"

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Categorizing the Role of Respiration in Cardiovascular and Cerebrovascular Variability Interactions

2022

Objective: Respiration disturbs cardiovascular and cerebrovascular controls but its role is not fully elucidated. Methods: Respiration can be classified as a confounder if its observation reduces the strength of the causal relationship from source to target. Respiration is a suppressor if the opposite situation holds. We prove that a confounding/suppression (C/S) test can be accomplished by evaluating the sign of net redundancy/synergy balance in the predictability framework based on multivariate autoregressive modelling. In addition, we suggest that, under the hypothesis of Gaussian processes, the C/S test can be given in the transfer entropy decomposition framework as well. Experimental p…

AdultMalePhysiologyBiomedical EngineeringsynergyBlood Pressurecardiac neural controlYoung Adulthead-up tiltHeart RateHumansArterial PressureAnesthesiaPropofolAgedMultivariate autoregressive modelredundancyRespirationcerebrovascular autoregulationautonomic nervous systemheart rate variabilityMediationtransfer entropyHeartIndexesMiddle Agedsuppressiongeneral anesthesiapredictability decompositionconfoundingCerebrovascular CirculationSettore ING-INF/06 - Bioingegneria Elettronica e Informaticaautonomic nervous system; cardiac neural control; cerebrovascular autoregulation; confounding; general anesthesia; head-up tilt; heart rate variability; Multivariate autoregressive model; predictability decomposition; redundancy; suppression; synergy; transfer entropy;ProtocolsRegulation
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