Cerebrovascular reactivity is the change in cerebral blood flow in response to a vasodilatory
or vasoconstrictive stimulus. Measuring variations of cerebrovascular reactivity between …

During exercise, fatigue is defined as a reversible reduction in force-or power-generating
capacity and can be elicited by “central” and/or “peripheral” mechanisms. During skeletal …

Current methods of forcing end‐tidal PCO2 (PETCO2) and PO2 (PETO2) rely on breath‐by‐
breath adjustment of inspired gas concentrations using feedback loop algorithms. Such …

Functional magnetic resonance imaging (fMRI) was used to investigate the effects of
inspired hypoxic, hyperoxic, and hypercapnic gases on baseline and stimulus-evoked …

This study examined the relationship between cerebral blood flow (CBF) and end-tidal Pco2
(PetCO2) in humans. We used transcranial Doppler ultrasound to determine middle cerebral …

Quantitative measurements of brain perfusion are influenced by perfusion-modifiers.
Standardization of measurement conditions and correction for important modifiers is …

This study examined the effect of high, normal, and uncontrolled end-tidal Pco2 (PetCO2) on
the ventilatory, peak cerebral blood flow velocity (V̄ p), and mean arterial blood pressure …

The aim of this study was to investigate the relations among reactive oxygen species (ROS),
hypoxia inducible factor (HIF-1α) gene expression, HIF-1α target gene erythropoietin (EPO) …

Ascent to high-altitude elicits compensatory physiological adaptations in order to improve
oxygenation throughout the body. The brain is particularly vulnerable to the hypoxemia of …

After defining the current approach to measuring the hypoxic ventilatory response this paper
explains why this method is not appropriate for comparisons between individuals or …