Direct measurement of oxygen extraction with fMRI using 6% CO2 inhalation
AC Zappe, K Uludağ, NK Logothetis - Magnetic resonance imaging, 2008 - Elsevier
The blood-oxygenation-level-dependent (BOLD) signal is an indirect hemodynamic signal
that is sensitive to cerebral blood flow (CBF), cerebral blood volume (CBV) and cerebral …
that is sensitive to cerebral blood flow (CBF), cerebral blood volume (CBV) and cerebral …
Calibrated fMRI for mapping absolute CMRO2: Practicalities and prospects
M Germuska, RG Wise - Neuroimage, 2019 - Elsevier
Functional magnetic resonance imaging (fMRI) is an essential workhorse of modern
neuroscience, providing valuable insight into the functional organisation of the brain. The …
neuroscience, providing valuable insight into the functional organisation of the brain. The …
Dynamic forcing of end-tidal carbon dioxide and oxygen applied to functional magnetic resonance imaging
RG Wise, KTS Pattinson, DP Bulte… - Journal of Cerebral …, 2007 - journals.sagepub.com
Investigations into the blood oxygenation level-dependent (BOLD) functional MRI signal
have used respiratory challenges with the aim of probing cerebrovascular physiology. Such …
have used respiratory challenges with the aim of probing cerebrovascular physiology. Such …
[HTML][HTML] Dual-calibrated fMRI measurement of absolute cerebral metabolic rate of oxygen consumption and effective oxygen diffusivity
M Germuska, HL Chandler, RC Stickland, C Foster… - Neuroimage, 2019 - Elsevier
Dual-calibrated fMRI is a multi-parametric technique that allows for the quantification of the
resting oxygen extraction fraction (OEF), the absolute rate of cerebral metabolic oxygen …
resting oxygen extraction fraction (OEF), the absolute rate of cerebral metabolic oxygen …
Magnetic resonance imaging of resting OEF and CMRO2 using a generalized calibration model for hypercapnia and hyperoxia
CJ Gauthier, RD Hoge - Neuroimage, 2012 - Elsevier
We present a method allowing determination of resting cerebral oxygen metabolism
(CMRO2) from MRI and end-tidal O2 measurements acquired during a pair of respiratory …
(CMRO2) from MRI and end-tidal O2 measurements acquired during a pair of respiratory …
Quantification of CMRO2 without hypercapnia using simultaneous near-infrared spectroscopy and fMRI measurements
Estimation of the cerebral metabolic rate of oxygen (CMRO 2) and cerebral blood flow (CBF)
is important to investigate the neurovascular coupling and physiological components in …
is important to investigate the neurovascular coupling and physiological components in …
MRI estimation of global brain oxygen consumption rate
V Jain, MC Langham… - Journal of Cerebral Blood …, 2010 - journals.sagepub.com
Measuring the global cerebral metabolic rate of oxygen (CMRO 2) is a valuable tool for
assessing brain vitality and function. Measurement of blood oxygen saturation (HbO 2) and …
assessing brain vitality and function. Measurement of blood oxygen saturation (HbO 2) and …
Dynamics of changes in blood flow, volume, and oxygenation: implications for dynamic functional magnetic resonance imaging calibration
Changes in cerebral blood flow (CBF), volume (CBV), and oxygenation (blood-oxygenation
level dependent (BOLD)) during functional activation are important for calculating changes …
level dependent (BOLD)) during functional activation are important for calculating changes …
MRI-based methods for quantification of the cerebral metabolic rate of oxygen
ZB Rodgers, JA Detre… - Journal of Cerebral Blood …, 2016 - journals.sagepub.com
The brain depends almost entirely on oxidative metabolism to meet its significant energy
requirements. As such, the cerebral metabolic rate of oxygen (CMRO2) represents a key …
requirements. As such, the cerebral metabolic rate of oxygen (CMRO2) represents a key …
Absolute quantification of resting oxygen metabolism and metabolic reactivity during functional activation using QUO2 MRI
CJ Gauthier, L Desjardins-Crépeau, C Madjar… - Neuroimage, 2012 - Elsevier
We have recently described an extension of calibrated MRI, which we term QUO2 (for
QUantitative O2 imaging), providing absolute quantification of resting oxidative metabolism …
QUantitative O2 imaging), providing absolute quantification of resting oxidative metabolism …