A comprehensive study of sensitivity in measuring oscillatory magnetic fields using rotary saturation pulse sequences

J Sheng, Y Liu, Y Chai, W Tang, B Wu… - Magnetic Resonance …, 2016 - Elsevier
Detecting the oscillatory currents with a specific frequency distribution may have the
potential to make neuronal current MRI (ncMRI) come true. The phase shift or dephasing …

[HTML][HTML] Fast retrieval of fMRI data for real-time applications: improving the transfer time through direct connection

M Lührs, BA Poser, T Auer, R Goebel - Aperture Neuro, 2023 - apertureneuro.org
Prenatal and childhood adverse events have been shown to be related to children's
cognitive and psychological development. However, the influence of early-life adversities on …

Microscopic investigation of the resonant mechanism for the implementation of nc-MRI at ultra-low field MRI

AM Cassarà, B Maraviglia - NeuroImage, 2008 - Elsevier
In this paper the possible use of the resonant mechanism between some spectral
components of the neuronal activity and the spin dynamics in ultra-low field MRI …

The magnetic field produced by the heart and its influence on MRI

D Xu, BJ Roth - Mathematical Problems in Engineering, 2017 - Wiley Online Library
Background. Action currents in the heart produce a magnetic field, which could provide a
way to detect the propagation of electrical activity through cardiac tissue using magnetic …

Enhancing the utility of complex‐valued functional magnetic resonance imaging detection of neurobiological processes through postacquisition estimation and …

AD Hahn, AS Nencka, DB Rowe - Human brain mapping, 2012 - Wiley Online Library
Functional magnetic resonance imaging (fMRI) time series analysis is typically performed
using only the magnitude portion of the data. The phase information remains unused largely …

Detection of peripheral nerve and skeletal muscle action currents using magnetic resonance imaging

RS Wijesinghe, BJ Roth - Annals of biomedical engineering, 2009 - Springer
Many researchers have attempted to detect neural currents directly using magnetic
resonance imaging (MRI). The action currents of a peripheral nerve or skeletal muscle …

Modeling direct effects of neural current on MRI

L Heller, BE Barrowes, JS George - Human brain mapping, 2009 - Wiley Online Library
We investigate the effect of the magnetic field generated by neural activity on the magnitude
and phase of the MRI signal in terms of a phenomenological parameter with the dimensions …

The movement of a nerve in a magnetic field: application to MRI Lorentz effect imaging

BJ Roth, A Luterek, S Puwal - Medical & biological engineering & …, 2014 - Springer
Direct detection of neural activity with MRI would be a breakthrough innovation in brain
imaging. A Lorentz force method has been proposed to image nerve activity using MRI; a …

Rotary Excitation of peak-like magnetic field fluctuations: Towards non-invasive direct detection of cardiac conduction

P Albertova, M Gram, M Blaimer, WR Bauer… - arXiv preprint arXiv …, 2023 - arxiv.org
Purpose: In the recent past, spin-locking MRI experiments were successfully applied for the
direct detection of sinusoidal magnetic field oscillations in the sub-nT range. In the present …

Investigation of axonal magnetic fields in the human corpus callosum using visual stimulation based on MR signal modulation

LS Chow, GG Cook, E Whitby… - Journal of Magnetic …, 2007 - Wiley Online Library
Purpose To investigate the possibility of detecting visually‐evoked axonal currents in the
splenium of the human corpus callosum using a 3.0 T MRI system. Materials and Methods …