CBF, BOLD, CBV, and CMRO2 fMRI signal temporal dynamics at 500‐msec resolution
Purpose To investigate the temporal dynamics of blood oxygenation level‐dependent
(BOLD), cerebral blood flow (CBF), cerebral blood volume (CBV), and cerebral metabolic …
(BOLD), cerebral blood flow (CBF), cerebral blood volume (CBV), and cerebral metabolic …
Biophysical and physiological origins of blood oxygenation level-dependent fMRI signals
SG Kim, S Ogawa - Journal of Cerebral Blood Flow & …, 2012 - journals.sagepub.com
After its discovery in 1990, blood oxygenation level-dependent (BOLD) contrast in functional
magnetic resonance imaging (fMRI) has been widely used to map brain activation in …
magnetic resonance imaging (fMRI) has been widely used to map brain activation in …
Comparison of the effects of independently‐controlled end‐tidal PCO2 and PO2 on blood oxygen level–dependent (BOLD) MRI
E Prisman, M Slessarev, J Han… - Journal of Magnetic …, 2008 - Wiley Online Library
Purpose To assess the effect of changes in end‐tidal partial pressure of O2 (PetO2) on
cerebrovascular reactivity (CVR) estimated from changes in blood oxygen level–dependent …
cerebrovascular reactivity (CVR) estimated from changes in blood oxygen level–dependent …
Modeling of dynamic cerebrovascular reactivity to spontaneous and externally induced CO2 fluctuations in the human brain using BOLD-fMRI
PC Prokopiou, KTS Pattinson, RG Wise, GD Mitsis - Neuroimage, 2019 - Elsevier
In this work, we investigate the regional characteristics of the dynamic interactions between
arterial CO 2 and BOLD (dynamic cerebrovascular reactivity-dCVR) during normal breathing …
arterial CO 2 and BOLD (dynamic cerebrovascular reactivity-dCVR) during normal breathing …
Multiparametric measurement of cerebral physiology using calibrated fMRI
The ultimate goal of calibrated fMRI is the quantitative imaging of oxygen metabolism
(CMRO 2), and this has been the focus of numerous methods and approaches. However …
(CMRO 2), and this has been the focus of numerous methods and approaches. However …
Evaluation of MR-derived cerebral oxygen metabolic index in experimental hyperoxic hypercapnia, hypoxia, and ischemia
Background and Purpose—A noninvasive MRI method to measure cerebral oxygen
metabolism has the potential to assess tissue viability during cerebral ischemia. The …
metabolism has the potential to assess tissue viability during cerebral ischemia. The …
[HTML][HTML] A practical modification to a resting state fMRI protocol for improved characterization of cerebrovascular function
Cerebrovascular reactivity (CVR), defined here as the Blood Oxygenation Level Dependent
(BOLD) response to a CO 2 pressure change, is a useful metric of cerebrovascular function …
(BOLD) response to a CO 2 pressure change, is a useful metric of cerebrovascular function …
Blood‐oxygen level dependent MRI measures of cerebrovascular reactivity using a controlled respiratory challenge: reproducibility and gender differences
Purpose: To evaluate the reproducibility and gender differences in cerebrovascular reactivity
(CVR) measurements obtained using the blood‐oxygen level dependent (BOLD) response …
(CVR) measurements obtained using the blood‐oxygen level dependent (BOLD) response …
Effect of respiratory CO2 changes on the temporal dynamics of the hemodynamic response in functional MR imaging
LJ Kemna, S Posse - Neuroimage, 2001 - Elsevier
Increasing end-expiratory CO2 levels (PETCO2) increases the dispersion and the time of
maximum of the hemodynamic response curve in human primary visual cortex. This was …
maximum of the hemodynamic response curve in human primary visual cortex. This was …
Estimating cerebral oxygen metabolism from fMRI with a dynamic multicompartment Windkessel model
TJ Huppert, MS Allen, SG Diamond… - Human brain …, 2009 - Wiley Online Library
Stimulus evoked changes in cerebral blood flow, volume, and oxygenation arise from
responses to underlying neuronally mediated changes in vascular tone and cerebral oxygen …
responses to underlying neuronally mediated changes in vascular tone and cerebral oxygen …