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Magnetic resonance imaging (MRI)-based quantification of the blood-oxygenation-level-dependent (BOLD) effect allows oxygen extraction fraction (OEF) mapping. ... The multi-parametric quantitative BOLD (mq-BOLD) technique facilitates relative OEF (rOEF) measurements with whole brain coverage in clinically applicable scan times. ... Nico Sollmann and Ilias Tsiachristos for their support in participant recruitment and during the MRI measurements. We are very grateful to Dr. ...doi:10.1016/j.neuroimage.2020.117095 pmid:32599265 pmcid:PMC7730517 fatcat:s6uxt477mfdcvhqr6uc6gzgjeu
We believe that the continual development of MRI approaches for the measurement of compartment-specific CBV will likely provide essential imaging tools for the advancement and refinement of our knowledge ... This review attempts to summarize major efforts in the development of MRI techniques to measure arterial (CBVa) and venous CBV (CBVv) separately. ... In MRI, the transverse relaxation times (T2*/T2) of blood are highly sensitive to such oxygenation level difference Zhao et al., 2007) . ...doi:10.1016/j.neuroimage.2018.02.027 pmid:29458187 pmcid:PMC6095829 fatcat:2x4il6kxcne6jjet6o5kp33gbu
One such methodology is quantitative Magnetic Resonance Imaging (MRI). ... Rather than simply taking a structural image of the kidneys, quantitative MRI aims to measure physical properties such as the rate of blood flow, tissue perfusion, oxygen consumption and more fundamental ... Quantitative Assessment of Renal Structural and Functional Changes in Chronic Kidney Disease Using Multi-Parametric Magnetic Resonance Imaging. ...doi:10.5281/zenodo.5524888 fatcat:ba4f7zyabfckjlbtdyi6p5u3oy
Laminar fMRI at ultra-high magnetic field strength is typically carried out using the Blood Oxygenation Level-Dependent (BOLD) contrast. ... In addition, ASL provides a quantitative marker of neuronal activation in terms of perfusion signal, which is simultaneously acquired along with the BOLD signal. ... While the present study employs a PASL acquisition scheme, recent studies have explored the feasibility of using a pCASL acquisition scheme with a 3D-GRASE readout for perfusionweighted laminar fMRI at ...doi:10.1371/journal.pone.0250504 pmid:33901230 pmcid:PMC8075193 fatcat:4u24nbmpf5cjroxycsr2i7xuwi
fractional anisotropy map analysis. ... Each DWI dataset was registered (rotation and translation) to a template space using Statistical Parametric Mapping (SPM) and overlayed onto a T1 image depicting and correlating the position of the white ...doi:10.1111/jvim.12323 fatcat:bmbefig4fzbw5immexwi3qpdvm
The first half deals with the use of compressed sensing (CS) to accelerate the lengthy sequence used in myelin water imaging. ... Typically, a lengthy multi-echo spin-echo sequence is used to obtain decay curves that are fitted to produce T2 distributions. ... However, by using quantitative models and/or multi offset frequency/RF saturation pulses, more specific tissue parameters could be extracted. ...doi:10.14288/1.0320960 fatcat:dq6hwla2s5hcliu4dsh4u2jbge