Search Results - "Bretthorst, G. Larry"

Intracellular water preexchange lifetime in neurons and astrocytes by Yang, Donghan M., Huettner, James E., Bretthorst, G. Larry, Neil, Jeffrey J., Garbow, Joel R., Ackerman, Joseph J.H.

“…Purpose To determine the intracellular water preexchange lifetime, τi, the “average residence time” of water, in the intracellular milieu of neurons and…”
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Statistical model for diffusion attenuated MR signal by Yablonskiy, Dmitriy A., Bretthorst, G. Larry, Ackerman, Joseph J.H.

“…A general statistical model that can describe a rather large number of experimental results related to the structure of the diffusion‐attenuated MR signal in…”
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Automatic phasing of MR images. Part I: Linearly varying phase by Larry Bretthorst, G.

“…In spin-echo and well shimmed gradient-echo images, the phase of the complex image often varies linearly in both the readout and phase-encode directions. Thus,…”
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Probability Theory: The Logic of Science by Jaynes, E. T.

“…The standard rules of probability can be interpreted as uniquely valid principles in logic. In this book, E. T. Jaynes dispels the imaginary distinction…”
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Rapid Quantitative Pharmacodynamic Imaging with Bayesian Estimation by Koller, Jonathan M, Vachon, M Jonathan, Bretthorst, G Larry, Black, Kevin J

“…We recently described rapid quantitative pharmacodynamic imaging, a novel method for estimating sensitivity of a biological system to a drug. We tested its…”
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Bayesian estimation of the underlying bone properties from mixed fast and slow mode ultrasonic signals by Marutyan, Karen R., Bretthorst, G. Larry, Miller, James G.

“…We recently proposed that the observed apparent negative dispersion in bone can arise from the interference between fast wave and slow wave modes, each…”
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Inverse problems in cancellous bone: Estimation of the ultrasonic properties of fast and slow waves using Bayesian probability theory by Anderson, Christian C., Bauer, Adam Q., Holland, Mark R., Pakula, Michal, Laugier, Pascal, Bretthorst, G. Larry, Miller, James G.

“…Quantitative ultrasonic characterization of cancellous bone can be complicated by artifacts introduced by analyzing acquired data consisting of two propagating…”
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Automatic phasing of MR images. Part II: Voxel-wise phase estimation by Larry Bretthorst, G.

“…Magnetic resonance images are typically displayed as the absolute value of the discrete Fourier transform of the k-space data. However, absorption-mode images,…”
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Equilibrium water exchange between the intra- and extracellular spaces of mammalian brain by Quirk, James D., Bretthorst, G. Larry, Duong, Timothy Q., Snyder, Avi Z., Springer Jr, Charles S., Ackerman, Joseph J.H., Neil, Jeffrey J.

“…This report describes the measurement of water preexchange lifetimes and intra/extracellular content in intact, functioning mammalian brain. Intra‐ and…”
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Diffusion MR imaging characteristics of the developing primate brain by Kroenke, Christopher D., Bretthorst, G. Larry, Inder, Terrie E., Neil, Jeffrey J.

“…Diffusion-based magnetic resonance imaging holds the potential to non-invasively demonstrate cellular-scale structural properties of brain. This method was…”
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Sodium ion apparent diffusion coefficient in living rat brain by Goodman, James A., Kroenke, Christopher D., Bretthorst, G. Larry, Ackerman, Joseph J. H., Neil, Jeffrey J.

“…The apparent diffusion coefficient (ADC) of Na+ was determined in live rat brain. The brain extracellular‐to‐intracellular Na+ content ratio is ∼8:2, which is…”
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Rat Brain Global Ischemia–Induced Diffusion Changes Revisited: Biophysical Modeling of the Water and NAA MR “Diffusion Signal” by Spees, William M., Sukstanskii, Alex L., Bretthorst, G. Larry, Neil, Jeffrey J., Ackerman, Joseph J.H.

“…Purpose To assess changes in intracellular diffusion as a mechanism for the reduction in water ADC that accompanies brain injury. Using NAA as a marker of…”
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Are complex DCE‐MRI models supported by clinical data? by Duan, Chong, Kallehauge, Jesper F., Bretthorst, G. Larry, Tanderup, Kari, Ackerman, Joseph J.H., Garbow, Joel R.

“…Purpose To ascertain whether complex dynamic contrast enhanced (DCE) MRI tracer kinetic models are supported by data acquired in the clinic and to determine…”
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Prolactin and fMRI response to SKF38393 in the baboon by Miller, Brad, Marks, Lauren A, Koller, Jonathan M, Newman, Blake J, Bretthorst, G Larry, Black, Kevin J

“…Background. This study's goal was to provide dose-response data for a dopamine agonist in the baboon using standard methods (replicate measurements at each…”
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Dynamic Contrast Enhancement (DCE) MRI-Derived Renal Perfusion and Filtration: Basic Concepts by Pedersen, Michael, Irrera, Pietro, Dastrù, Walter, Zöllner, Frank G, Bennett, Kevin M, Beeman, Scott C, Bretthorst, G Larry, Garbow, Joel R, Longo, Dario Livio

“…Dynamic contrast-enhanced (DCE) MRI monitors the transit of contrast agents, typically gadolinium chelates, through the intrarenal regions, the renal cortex,…”
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Analysis Protocol for Dynamic Contrast Enhanced (DCE) MRI of Renal Perfusion and Filtration by Zöllner, Frank G, Dastrù, Walter, Irrera, Pietro, Longo, Dario Livio, Bennett, Kevin M, Beeman, Scott C, Bretthorst, G Larry, Garbow, Joel R

“…Here we present an analysis protocol for dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) data of the kidneys. It covers comprehensive steps to…”
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Accuracy and reliability of diffusion imaging models by Seider, Nicole A., Adeyemo, Babatunde, Miller, Ryland, Newbold, Dillan J., Hampton, Jacqueline M., Scheidter, Kristen M., Rutlin, Jerrel, Laumann, Timothy O., Roland, Jarod L., Montez, David F., Van, Andrew N., Zheng, Annie, Marek, Scott, Kay, Benjamin P., Bretthorst, G. Larry, Schlaggar, Bradley L., Greene, Deanna J., Wang, Yong, Petersen, Steven E., Barch, Deanna M., Gordon, Evan M., Snyder, Abraham Z., Shimony, Joshua S., Dosenbach, Nico U.F.

“…Diffusion imaging aims to non-invasively characterize the anatomy and integrity of the brain's white matter fibers. We evaluated the accuracy and reliability…”
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Microstructural Changes of the Baboon Cerebral Cortex during Gestational Development Reflected in Magnetic Resonance Imaging Diffusion Anisotropy by Kroenke, Christopher D, Van Essen, David C, Inder, Terrie E, Rees, Sandra, Bretthorst, G. Larry, Neil, Jeffrey J

“…Cerebral cortical development involves complex changes in cellular architecture and connectivity that occur at regionally varying rates. Using diffusion tensor…”
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Modeling Dynamic Contrast-Enhanced MRI Data with a Constrained Local AIF by Duan, Chong, Kallehauge, Jesper F., Pérez-Torres, Carlos J., Bretthorst, G. Larry, Beeman, Scott C., Tanderup, Kari, Ackerman, Joseph J. H., Garbow, Joel R.

“…Purpose This study aims to develop a constrained local arterial input function (cL-AIF) to improve quantitative analysis of dynamic contrast-enhanced…”
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Bayesian Modeling of NMR Data: Quantifying Longitudinal Relaxation in Vivo, and in Vitro with a Tissue-Water-Relaxation Mimic (Crosslinked Bovine Serum Albumin) by Meinerz, Kelsey, Beeman, Scott C., Duan, Chong, Bretthorst, G. Larry, Garbow, Joel R., Ackerman, Joseph J. H.

“…Recently, a number of magnetic resonance imaging protocols have been reported that seek to exploit the effect of dissolved oxygen (O 2 , paramagnetic) on the…”
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