Resting state fMRI: Going through the motions

S Maknojia, NW Churchill, TA Schweizer… - Frontiers in …, 2019 - frontiersin.org
Resting state functional magnetic resonance imaging (rs-fMRI) has become an
indispensable tool in neuroscience research. Despite this, rs-fMRI signals are easily …

Markerless high‐frequency prospective motion correction for neuroanatomical MRI

R Frost, P Wighton, FI Karahanoğlu… - Magnetic resonance …, 2019 - Wiley Online Library
Purpose To integrate markerless head motion tracking with prospectively corrected
neuroanatomical MRI sequences and to investigate high‐frequency motion correction …

Prospective motion correction with NMR markers using only native sequence elements

A Aranovitch, M Haeberlin, S Gross… - Magnetic resonance …, 2018 - Wiley Online Library
Purpose To develop a method of tracking active NMR markers that requires no alterations of
common imaging sequences and can be used for prospective motion correction (PMC) in …

[HTML][HTML] Simultaneous feedback control for joint field and motion correction in brain MRI

L Vionnet, A Aranovitch, Y Duerst, M Haeberlin… - Neuroimage, 2021 - Elsevier
Abstract T2*-weighted gradient-echo sequences count among the most widely used
techniques in neuroimaging and offer rich magnitude and phase contrast. The susceptibility …

[HTML][HTML] Reducing motion sensitivity in 3D high-resolution T2*-weighted MRI by navigator-based motion and nonlinear magnetic field correction

J Liu, P van Gelderen, JA de Zwart, JH Duyn - Neuroimage, 2020 - Elsevier
Abstract T 2*-weighted gradient echo (GRE) MRI at high field is uniquely sensitive to the
magnetic properties of tissue and allows the study of brain and vascular anatomy at high …

High‐resolution multi‐shot diffusion‐weighted MRI combining markerless prospective motion correction and locally low‐rank constrained reconstruction

H Chen, K Dai, S Zhong, J Zheng… - Magnetic resonance …, 2023 - Wiley Online Library
Purpose Subject head motion is a major challenge in DWI, leading to image blurring, signal
losses, and biases in the estimated diffusion parameters. Here, we investigate a combined …

Improving magnetic resonance spectroscopy in the brainstem periaqueductal gray using spectral registration

L Sirucek, N Zoelch… - Magnetic Resonance in …, 2024 - Wiley Online Library
Purpose Functional understanding of the periaqueductal gray (PAG), a clinically relevant
brainstem region, can be advanced using 1H‐MRS. However, the PAG's small size and high …

Wireless motion tracking with short-wave radiofrequency

CM Schildknecht, DO Brunner, T Schmid… - Proceedings of the …, 2019 - archive.ismrm.org
We propose a wireless motion tracking method based on short-wave RF signal transmission
that does not require a direct line of sight and can penetrate tissue and plastics between …

Markerless optical head tracking system using facial features

T Sasaki, N MNKFSKKOHKK… - Proceedings of the 29th …, 2021 - archive.ismrm.org
We have developed a markerless tracking system enabling to estimate head pose through
limited apertures of a head coil. The system, composed of a mirror and four MR compatible …

Markerless real-time motion correction for 2D RARE: reducing artefacts in clinical T2 and FLAIR MRI

R Frost, FI Karahanoğlu, C Jaimes, P Wighton… - archive.ismrm.org
This study investigates high-frequency prospective motion correction (PMC) using
markerless face tracking for artefact reduction in clinical T2 and FLAIR MRI. The FOV pose …