Can MRI be used as a sensor to record neural activity?

BJ Roth - Sensors, 2023 - mdpi.com
Magnetic resonance provides exquisite anatomical images and functional MRI monitors
physiological activity by recording blood oxygenation. This review attempts to answer the …

Functional conductivity imaging: quantitative map** of brain activity

J Cao, IK Ball, B Cassidy, CD Rae - Physical and Engineering Sciences in …, 2024 - Springer
Abstract Theory and modelling suggest that detection of neuronal activity may be feasible
using phase sensitive MRI methods. Successful detection of neuronal activity both in vitro …

Grand challenges in map** the human brain: NSF workshop report

B He, T Coleman, GM Genin, G Glover… - IEEE transactions on …, 2013 - ieeexplore.ieee.org
This report summarizes the outcomes of the NSF Workshop on Map** and Engineering
the Brain, held at Arlington, VA, during August 13–14, 2013. Three grand challenges were …

Toward direct MRI of neuro‐electro‐magnetic oscillations in the human brain

TK Truong, KC Roberts, MG Woldorff… - Magnetic resonance in …, 2019 - Wiley Online Library
Purpose Neuroimaging techniques are widely used to investigate the function of the human
brain, but none are currently able to accurately localize neuronal activity with both high …

Detection of subnanotesla oscillatory magnetic fields using MRI

X Jiang, J Sheng, H Li, Y Chai, X Zhou… - Magnetic …, 2016 - Wiley Online Library
Purpose Direct map** of neuronal currents using MRI would have fundamental impacts
on brain functional imaging. Previous reports indicated that the stimulus‐induced rotary …

Direct detection of optogenetically evoked oscillatory neuronal electrical activity in rats using SLOE sequence

Y Chai, G Bi, L Wang, F Xu, R Wu, X Zhou, B Qiu, H Lei… - NeuroImage, 2016 - Elsevier
The direct detection of neuronal electrical activity is one of the most challenging goals in non-
BOLD fMRI research. Previous work has demonstrated its feasibility in phantom and cell …

Magnetic resonance imaging of ionic currents in solution: the effect of magnetohydrodynamic flow

M Balasubramanian, RV Mulkern… - Magnetic resonance …, 2015 - Wiley Online Library
Purpose Reliably detecting MRI signals in the brain that are more tightly coupled to neural
activity than blood‐oxygen‐level‐dependent fMRI signals could not only prove valuable for …

Octopus visual system: A functional MRI model for detecting neuronal electric currents without a blood‐oxygen‐level‐dependent confound

X Jiang, H Lu, S Shigeno, LH Tan… - Magnetic …, 2014 - Wiley Online Library
Purpose Despite the efforts that have been devoted to detecting the transient magnetic fields
generated by neuronal firing, the conclusion that a functionally relevant signal can be …

Focal epilepsy: MR imaging of nonhemodynamic field effects by using a phase-cycled stimulus-induced rotary saturation approach with spin-lock preparation

C Kiefer, E Abela, K Schindler, R Wiest - Radiology, 2016 - pubs.rsna.org
Purpose To investigate whether nonhemodynamic resonant saturation effects can be
detected in patients with focal epilepsy by using a phase-cycled stimulus-induced rotary …

Selected topics relating to functional MRI study of the brain

S Ogawa, YW Sung - The Keio Journal of Medicine, 2019 - jstage.jst.go.jp
The authors selected some interesting current topics among many in the field of functional
MRI (fMRI) of the brain. The selection was based on authours' immediate interests in …