نتایج جستجو برای: hemodynamic responses

تعداد نتایج: 426676  

Journal: :Journal of the American College of Cardiology 1995

Journal: :Journal of applied physiology 2014
Blair D Johnson Noud van Helmond Timothy B Curry Camille M van Buskirk Victor A Convertino Michael J Joyner

The purpose of this study was to compare hemodynamic and blood analyte responses to reduced central venous pressure (CVP) and pulse pressure (PP) elicited during graded lower body negative pressure (LBNP) to those observed during graded blood loss (BL) in conscious humans. We hypothesized that the stimulus-response relationships of CVP and PP to hemodynamic responses during LBNP would mimic tho...

Journal: :Magnetic resonance in medicine 1999
F Kruggel D Y von Cramon

Today, most studies of cognitive processes using functional MRI (fMRI) experiments adopt a single-trial design. Highly flexible stimulation paradigms require new statistical models in which not only the activation amount but also the time course of the measured hemodynamic response is analyzed. Most previous approaches have been based on a linear regression context and have introduced hemodynam...

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