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1. Unveiling metabolic patterns in dementia: Insights from high-resolution quantitative blood-oxygenation-level-dependent MRI NSTL国家科技图书文献中心

Arun Raj T. |  Karthik K.... -  《Medical Physics》 - 2024,51(9) - 6002~6019 - 共18页

摘要: oxygenation level dependent (qBOLD) analysis of magnitude |  by leveraging high-resolution quantitative blood |  suitable for fitting the log-magnitude difference (L-MDif | Background: Oxygen extraction fraction (OEF | ) and deoxyhemoglobin (DoHb) levels reflect variations
关键词: dementia |  deoxyhemoglobin (DoHb) |  gradient-echo MRI |  K-means clustering |  oxygen extraction fraction (OEF) |  r-qBOLD

2. Brain oxygen extraction fraction mapping in patients with multiple sclerosis SCIE Web of Science核心 NSTL国家科技图书文献中心

Cho, Junghun |  Nguyen, Thanh D.... -  《Journal of Cerebral Blood Flow and Metabolism: Official Journal of the International Society of Cerebral Blood Flow and Metabolism》 - 2022,42(2) - 338~348 - 共11页 - 被引量:14

摘要: quantitative susceptibility mapping were identified, and the |  a useful quantitative marker of tissue oxygen | We aimed to demonstrate the feasibility of |  whole brain oxygen extraction fraction (OEF) mapping |  for measuring lesion specific and regional OEF
关键词: Oxygen extraction fraction |  multiple sclerosis |  quantitative susceptibility mapping |  quantitative blood oxygenation level dependent magnitude |  QSM plus qBOLD |  CEREBRAL METABOLIC-RATE |  ENABLED DIPOLE INVERSION |  MAGNETIC-SUSCEPTIBILITY |  ZERO REFERENCE |  NITRIC-OXIDE...

3. Spatial specificity of the functional MRI blood oxygenation response relative to neuronal activity NSTL国家科技图书文献中心

Denis Chaimow |  Essa Yacoub... -  《NeuroImage》 - 2018,164 - 32~47 - 共16页 - 被引量:20

摘要: the spatial specificity of the blood oxygenation |  level dependent functional MRI (BOLD fMRI) response by |  that best predict the spatial structure and magnitude |  contributions from macroscopic blood vessels were 0.86?mm (SE | ) and 0.99?mm (GE). Our results provide a quantitative
关键词: High-resolution functional MRI |  Point-spread function |  Blood oxygenation level dependent |  BOLD |  Gradient-Echo functional MRI |  Spin-Echo functional MRI |  Cortical columns |  Ocular dominance map |  Markov chain Monte Carlo

4. Investigation of BOLD fMRI resonance frequency shifts and quantitative susceptibility changes at 7 T SCOPUS Scopus数据库 SCIE Web of Science核心 NSTL国家科技图书文献中心

Bianciardi,M. |  vanGelderen,P.... -  《Human brain mapping》 - 2014,35(5) - 2191~2205 - 共15页 - 被引量:28

摘要:Although blood oxygenation level dependent |  blood oxygenation and blood volume changes. We found |  magnitude of the signal, they also provide frequency |  magnitude signals. Moreover, our results suggest the |  feasibility of mapping BOLD quantitative susceptibility
关键词: BOLD fMRI phase signal changes |  BOLD fMRI quantitative susceptibility changes |  BOLD fMRI resonance frequency shifts |  Fractional oxygen saturation

5. Functional quantitative susceptibility mapping (fQSM) SCOPUS Scopus数据库 SCIE Web of Science核心 NSTL国家科技图书文献中心

David Z. Balla |  Rosa M. Sanchez-Panc...... -  《NeuroImage》 - 2014,100 - 112~124 - 共13页

摘要:Blood oxygenation level dependent (BOLD |  the magnitude component of the complex time-series |  the fMRI time-series and used quantitative |  magnitude BOLD fMRI. High spatial resolution data (1 mm |  parametric maps (SPM) were reconstructed for magnitude
关键词: fMRI |  Functional QSM |  MR phase imaging |  Susceptibility mapping |  Quantitative BOLD |  Specific brain activation

6. An anatomically unbiased approach for analysis of renal BOLD magnetic resonance images NSTL国家科技图书文献中心

Robert I. Menzies |  Andrew Zammit-Mangio...... -  《American Journal of Physiology》 - 2013,305(3 Pt.2) - F845~F852 - 共8页

摘要: methodologies. Blood oxygen level-dependent magnetic resonance |  renal oxygenation than the absolute magnitude of R2 | Oxygenation defects may contribute to renal |  < 0.01). This was nitric oxide dependent and temporally |  bioavailability. This global map of oxygenation, defined by
关键词: k-means |  acetylcholine |  angiotensin II |  nitric oxide |  hypoxia

7. Quantitative functional MRI: Concepts, issues and future challenges SCOPUS Scopus数据库 SCIE Web of Science核心 NSTL国家科技图书文献中心

Pike,G.B. -  《NeuroImage》 - 2012,62(2) - 1234~1240 - 共7页 - 被引量:45

摘要: based on the blood oxygenation level dependent (BOLD |  magnitude of the BOLD response is often used in these |  studies as a surrogate for the level of neuronal |  indirect. The BOLD response is dependent upon hemodynamic |  (blood flow and volume) and metabolic (oxygen
关键词: BOLD |  Calibrated BOLD |  Cerebral blood flow |  Cerebral blood volume |  Oxygen metabolism |  Quantitative fMRI

8. Effects of aging on cerebral blood flow, oxygen metabolism, and blood oxygenation level dependent responses to visual stimulation. SCIE Web of Science核心 NSTL国家科技图书文献中心

Ances BM |  Liang CL... -  《Human brain mapping》 - 2009,30(4) - 1120~1132 - 共13页

摘要: magnitude of the blood oxygenation level dependent (BOLD | ) and cerebral blood flow (CBF) responses in the |  activation paradigm, the magnitude of the BOLD response was |  undershoot with no significant difference in this magnitude |  calibrated approach provides a more quantitative reflection
关键词: CBF |  CEREBRAL BLOOD FLOW IMAGING |  Cell Respiration |  In Blood |  细胞呼吸

9. Perfusion-based fMRI: insights from animal models. SCIE Web of Science核心 NSTL国家科技图书文献中心

Silva AC -  《Journal of magnetic resonance imaging: JMRI》 - 2005,22(6) - 745~750 - 共6页

摘要: oxygenation level-dependent (BOLD)- or cerebral blood volume |  quantitative measures of brain activation than blood |  coupling between neural activity and cerebral blood flow |  of the magnitude of electrical activity. Increases |  means of better assessing the magnitude, spatial
关键词: fMRI |  CBF |  neural |  Methodology

10. Perfusion-Based Functional Magnetic Resonance Imaging SCIE Web of Science核心 NSTL国家科技图书文献中心

AFONSO C. SILVA |  SEONG-GI KIM -  《Concepts in magnetic resonance, Part A. Bridging education and research》 - 2003,16A(1) - 16~27 - 共12页

摘要: conventional blood oxygenation level dependent (BOLD | The measurement of cerebral blood flow (CBF |  quantitative measurements within and across subjects, and for |  magnitude of neural activity change. Thus, CBF-based fMRI | ) is a very important way of assessing tissue
关键词: arterial spin labeling |  brain |  cerebral blood flow |  magnetic resonance imaging
检索条件quantitative blood oxygenation level dependent magnitude
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