[HTML][HTML] Adult lifespan maturation and degeneration patterns in gray and white matter: A mean apparent propagator (MAP) MRI study

M Bouhrara, AV Avram, M Kiely, A Trivedi… - Neurobiology of …, 2023 - Elsevier
The relationship between brain microstructure and aging has been the subject of intense
study, with diffusion MRI perhaps the most effective modality for elucidating these …

One-step calculation circuit of FFT and its application

Y Liu, C Wang, J Sun, S Du… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Discrete Fourier Transform (DFT) and Fast Fourier Transform (FFT) are core components in
the field of signal processing. However, in the existing research, there is no fully analog …

Limits to flow detection in phase contrast MRI

NH Williamson, ME Komlosh, D Benjamini… - Journal of magnetic …, 2020 - Elsevier
Pulsed gradient spin echo (PGSE) complex signal behavior becomes dominated by
attenuation rather than oscillation when displacements due to flow are similar or less than …

Phase contrast MRI of creeping flows using stimulated echo

KN Magdoom, A Zeinomar, RR Lonser… - Journal of Magnetic …, 2019 - Elsevier
Creeping flows govern many important physiological phenomena such as elevated
interstitial fluid flows in tumors, glymphatic flows in the brain, among other applications …

Neuronal microstructural changes in the human brain are associated with neurocognitive aging

K Singh, S Barsoum, KG Schilling, Y An, L Ferrucci… - Aging …, 2024 - Wiley Online Library
Gray matter (GM) alterations play a role in aging‐related disorders like Alzheimer's disease
and related dementias, yet MRI studies mainly focus on macroscopic changes. Although …

A novel MRI phantom to study interstitial fluid transport in the glymphatic system

ME Komlosh, D Benjamini, NW Williamson… - Magnetic resonance …, 2019 - Elsevier
The glymphatic system is a recently discovered transport system, mediated by cerebral
spinal fluid (CSF), that clears metabolic and cellular waste products in the brain. This …

MAPL1: q‐space reconstruction using ‐regularized mean apparent propagator

G Varela‐Mattatall, C Castillo‐Passi… - Magnetic resonance …, 2020 - Wiley Online Library
Purpose To improve the quality of mean apparent propagator (MAP) reconstruction from a
limited number of q‐space samples. Methods We implement an‐regularised MAP (MAPL1) …

Imaging the pulsatile fluid source distribution and pressure gradients in the brain using a poroelastic model and intrinsic pulsatile motions.

M McGarry, J Weaver, K Paulsen - archive.ismrm.org
The pulsatile tissue motions from the cardiac cycle can be imaged using retrospectively
gated phase contrast MRI. Modeling brain tissue as a poroelastic material allows a …

[PDF][PDF] Limits to flow detection in pulsed gradient spin echo NMR

NH Williamsona, ME Komloshb, D Benjaminib… - academia.edu
Velocity detection with single pulsed gradient spin echo (PGSE) NMR is known to be limited
by diffusion smearing the phase coherence and obscuring dispersive attenuation. We …