Advanced MRI Techniques and Applications

A data-driven algorithm to determine 1H-MRS basis set composition

This paper introduces a data-driven algorithm using AIC to determine the optimal basis set composition for 1H-MRS, showing improved accuracy in identifying metabolites.

Evidence of Incoherent Fluid Flow in the Human Brain from Multidimensional MRI

This paper demonstrates the feasibility of using T1-D and T2-D MRI to detect incoherent CSF flows in the human brain using IVIM methods.

Rational MRI Coil Design: An Optimization Framework for the Design of Radiofrequency Coils for Magnetic Resonance Imaging

This paper introduces an automated framework for optimizing MRI RF coil design to improve SNR performance using full-wave electromagnetic simulations and ultimate SNR benchmarks.

Spatial specificity of the functional gradient echo and spin echo BOLD signal across cortical depth at 7 T

This study compares gradient echo and spin echo BOLD signals in human V1 cortex at 7 T, finding that spin echo improves spatial specificity but both techniques show reduced specificity toward the pial surface.

Impact of Tissue Sample Preparation Methods on Myelin-Sensitive Quantitative MR Imaging

The paper compares myelin-sensitive MRI parameters in fresh, thawed, and fixed sheep brain tissue, finding that freezing preserves tissue integrity but alters MRI values compared to fresh tissue.

Rapid decoding of neural information representation from ultra-fast functional magnetic resonance imaging signals

This study shows that rapid neural information can be decoded from ultra-fast fMRI signals using multivariate pattern decoders, achieving significant accuracy within 2 seconds of stimulus onset.

Simultaneous zero echo time fMRI of rat brain and spinal cord

This paper introduces a novel MRI technique for simultaneous fMRI of rat brain and spinal cord, demonstrating its feasibility for functional CNS assessments.

Ultra-high-field fMRI reveals layer-specific responses in the human spinal cord

This study uses ultra-high-field fMRI to reveal layer-specific responses in the human spinal cord during heat-pain stimulation, identifying phasic and tonic response components in dorsal horn layers.

Aging and the Spectral Properties of Brain Hemodynamics

The paper examines how aging affects cerebral glucose metabolism by analyzing spectral properties of resting-state fMRI signals and identifies a subset of older adults with divergent patterns linked to white matter pathology.

Non-invasive Free-breathing Gating-free Extracellular Cellular Volume Quantification for Repetitive Myocardial Fibrosis Evaluation in Rodents

This paper develops a non-invasive, fast, and gating-free method for longitudinal ECV quantification in rodents using cardiac MRI, validated for myocardial fibrosis evaluation.

2-deoxy-D-glucose chemical exchange-sensitive spin-lock MRI of cerebral glucose metabolism after stroke in the rat

This study develops a new MRI protocol using 2DG-CESL to measure glucose metabolism in a rat stroke model and shows it provides a biomarker of disturbed metabolism with high effect size.

Exploiting Four-way Phase-encoding Benefits for Robust Detection and Correction of EPI artifacts: Application to Residual Ghosts in Diffusion MRI.

The paper develops a method to detect and correct EPI artifacts in diffusion MRI using 4-way phase-encoding data, improving reproducibility and reducing ghost artifacts.

CRYO-CEST: Non-invasive imaging of cryoprotectants using chemical exchange saturation transfer

This study explores CEST MRI at 7T to detect and quantify cryoprotectants in organ cryopreservation, showing formamide's sensitive concentration-dependent response.

Hyperglycemia selectively increases cerebral non-oxidative glucose consumption without affecting blood flow

The paper shows acute hyperglycemia increases non-oxidative glucose consumption in specific brain regions without altering cerebral blood flow or oxygen metabolism.

Regional and Global Analysis of Cerebrovascular Reactivity Using 4D Flow MRI

This study evaluates 4D flow MRI-derived CVR indices during hypercapnia, finding sex differences and expanded dynamic range in pulse wave velocity and pulsatility transmission.

Robust-tedana: An automated denoising pipeline for multi-echo fMRI data

Robust-tedana improves automated denoising of multi-echo fMRI data, enhancing both single-subject and group-level analysis accuracy.

The Taco Setup: A Novel TMS-fMRI Setup for High Resolution Whole Brain Imaging

The paper introduces a novel TMS-fMRI setup with 22 RF channels that improves whole-brain signal reception and data quality.

SMART MRS: A Simulated MEGA-PRESS Artifacts Toolbox for GABA-edited MRS

The paper introduces a Python toolbox, SMART_MRS, to simulate common artifacts in GABA-edited MRS data, enhancing the diversity and quality of simulated data.

Monalisa: An Open Source, Documented, User-Friendly MATLAB Toolbox for Magnetic Resonance Imaging Reconstruction

Monalisa is an open-source MATLAB toolbox for MRI reconstruction that offers competitive performance and fewer artifacts compared to BART in non-Cartesian imaging.

BARTharm: MRI Harmonization Using Image Quality Metrics and Bayesian Non-parametric

BARTharm improves MRI data harmonization by using image quality metrics and Bayesian non-parametric models, outperforming ComBat in removing scanner-induced bias while preserving biological signals.

Neuronal or vascular receptive fields? On the relation between BOLD-fMRI population receptive field (pRF) estimates and cortical vascularization.

This study examines how vascular compartments affect pRF size estimates in early visual cortex using BOLD-fMRI and finds no significant vascular influence on pRF size.

Towards MR-based interrogation of the hypoxia-driven insulin resistance mechanism: Adipocytes size estimation.

This paper validates a non-invasive MRI method to estimate adipocyte size in vivo, showing good agreement with histology and potential for clinical application.

SNR-Efficient Whole-Brain Pseudo-Continuous Arterial Spin Labeling Perfusion Imaging at 7 Tesla

This paper optimizes PCASL parameters for 7 T whole-brain perfusion imaging, achieving higher SNR efficiency and reduced RF power usage.

Multi-center benchmarking of cervical spinal cord RF coils for 7 T MRI: A traveling spines study

This study benchmarks four cervical spinal cord RF coils at 7 T MRI across multiple centers, identifying performance differences and proposing a standardized evaluation protocol.

Verifying the concordance between motion corrected and conventional MPRAGE for pediatric morphometric analysis

This paper validates a motion correction technique, DISORDER, for pediatric brain morphometry, showing improved reliability for motion-degraded scans compared to conventional MPRAGE.

Myelin Mapping in the Human Brain Using an Empirical Extension of the Ridge Regression Theorem

This paper applies a nonlinear ridge regression method to improve parameter estimation in biexponential signal models for myelin water fraction mapping in the human brain.

Magnetic Resonance Imaging for Improved Brain Tumor Detection

This study demonstrates that NOEMTR imaging with Gd-DOTA improves tumor boundary delineation in gliosarcoma compared to conventional MRI.

In-vivo characterization of magnetic inclusions in the subcortex from non-exponential transverse relaxation decay

This paper demonstrates non-exponential transverse relaxation decay in human subcortical grey matter using MRI, enabling characterization of magnetic inclusions with potential applications in Parkinson's disease.

Ultrashort-T2* mapping at 7 tesla using an optimized pointwise encoding time reduction with radial acquisition (PETRA) sequence at standard and extended echo times

This paper evaluates the PETRA sequence at 7T for ultrashort-T2* mapping, showing high SNR and acceptable curve-fitting results for sub-millisecond T2* substances.

Age dependency of neurometabolite T1 relaxation times

The paper measures metabolite T1 relaxation times in healthy adults across age groups and finds age-related decreases in several metabolites in specific brain regions.