Results 121 to 130 of about 42,545 (264)

Sparsity and memory constraints interact with training sequence to bias learning of associative maps. [PDF]

Neuropsychologia
Noh SM, Zhou D, Cooper KW, Guo S, Dinh ET, Bornstein AM.   +5 more
europepmc   +1 more source

Fully 3D Unrolled Magnetic Resonance Fingerprinting Reconstruction via Staged Pretraining and Implicit Gridding

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Magnetic Resonance Fingerprinting (MRF) enables rapid quantitative imaging, but high‐resolution 3D reconstructions remain computationally expensive due to the NUFFTs required at every iteration, and the commonly used Locally Low Rank (LLR) regularization becomes ineffective at high acceleration.
Yonatan Urman, Mark Nishimura, Daniel R. Abraham, Xiaozhi Cao, Kawin Setsompop   +4 more
wiley   +1 more source

Signal-Dependent Planning Noise Reduces Task Interference by Assisting in the Formation of Stable Motor Primitives in a Neural Network Model of Muscle Coordination Learning. [PDF]

Neural Comput
Feng DW, Reinkensmeyer DJ, Perez-Ibarra JC.   +2 more
europepmc   +1 more source

Feasibility and SNR Performance of Hyperpolarized 129Xe Gas Exchange Imaging Using a Balanced SSFP Sequence

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop a balanced SSFP (bSSFP) sequence for pulmonary 129Xe dissolved‐phase imaging based on a previously described double‐echo sequence facilitating separation into red blood cell and membrane signals, to test its feasibility and compare its SNR performance and imaging results to an analogous FLASH sequence.
Agilo L. Kern, Marcel Gutberlet, Jens M. Hohlfeld, Frank Wacker, Jens Vogel‐Claussen   +4 more
wiley   +1 more source

Bicomponent Mapping of Cortical Bone Using a New Interleaved UTE Imaging Sequence. [PDF]

Magn Reson Med
Shin SH, Athertya JS, Suprana A, Lo J, Wang J, Moazamian D, Chapelin F, Ma Y.   +7 more
europepmc   +1 more source

“Two‐For‐One”: 4D Cardiac and Pulmonary MR Imaging From a Single Acquisition Using bSTAR

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To generate 4D (3D+time) images of both the heart and lungs using a single volumetric radial free‐breathing bSSFP dual echo acquisition (bSTAR) with two image reconstructions within a single pipeline deployed inline at 0.55 and 1.5 T.
Pierre Daudé, Jordan Taylor, Joseph W. Plummer, Rajiv Ramasawmy, Anastasia Tsakirellis, Joel Moss, W. Patricia Bandettini, Marcus Chen, Adrienne E. Campbell‐Washburn, Ahsan Javed   +9 more
wiley   +1 more source

Improved Myocardial Sodium Quantification at 7 T Using Interleaved ²³Na/¹H pTx MRI With Motion and Anatomy-Based B₁ Correction. [PDF]

Magn Reson Med
Ruck L, Egger N, Zobler B, Schirmer J, Nagelstraßer S, Bitz A, Platt T, Konstandin S, Kopp C, Uder M, Nagel AM.   +10 more
europepmc   +1 more source

Framework for Approaching Patients with Suboptimal Deep Brain Stimulation Therapy Response despite Stimulation Optimization

Movement Disorders Clinical Practice, EarlyView.
Pratik Talati, Meredith Spindler, Casey H. Halpern   +2 more
wiley   +1 more source

Fast Localized Calibration for Spatial‐Spectral Excitation Without Fly‐Back Gradients

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Standard spatial‐spectral excitation pulses apply a fly‐back gradient between sub‐pulses, limiting, for example, how thin the slices can be (> 4 mm). Without fly‐back gradients, slices can be as thin as 1.7 mm but require a phase calibration for the sub‐pulses with inverted gradients due to system imperfections.
Michael Schär, Sandeep K. Ganji, Robert G. Weiss, Allison G. Hays   +3 more
wiley   +1 more source

Generative MR Multitasking With Complex‐Harmonic Cardiac Encoding: Bridging the Gap Between Gated Imaging and Real‐Time Imaging

Magnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose To develop a unified image reconstruction framework that bridges real‐time and gated cardiac MRI, including quantitative MRI. Methods We introduce generative multitasking, which learns subject‐ and dataset‐specific implicit neural temporal bases from sequence timings and an interpretable latent space for cardiac and respiratory motion.
Xinguo Fang, Anthony G. Christodoulou
wiley   +1 more source