All Outputs (12)

Practical real-time MEG-based neural interfacing with optically pumped magnetometers (2021)
Journal Article
Wittevrongel, B., Holmes, N., Boto, E., Hill, R., Rea, M., Libert, A., …Brookes, M. J. (2021). Practical real-time MEG-based neural interfacing with optically pumped magnetometers. BMC Biology, 19(1), Article 158. https://doi.org/10.1186/s12915-021-01073-6

Background: Brain-computer interfaces decode intentions directly from the human brain with the aim to restore lost functionality, control external devices or augment daily experiences. To combine optimal performance with wide applicability, high-qual... Read More about Practical real-time MEG-based neural interfacing with optically pumped magnetometers.

Magnetic Field Mapping and Correction for Moving OP-MEG (2021)
Journal Article
Mellor, S., Tierney, T. M., O'Neill, G. C., Alexander, N., Seymour, R. A., Holmes, N., …Barnes, G. R. (2022). Magnetic Field Mapping and Correction for Moving OP-MEG. IEEE Transactions on Biomedical Engineering, 69(2), 528-536. https://doi.org/10.1109/TBME.2021.3100770

Background: Optically pumped magnetometers (OPMs) have made moving, wearable magnetoencephalography (MEG) possible. The OPMs typically used for MEG require a low background magnetic field to operate, which is achieved using both passive and active ma... Read More about Magnetic Field Mapping and Correction for Moving OP-MEG.

Precision magnetic field modelling and control for wearable magnetoencephalography (2021)
Journal Article
Rea, M., Holmes, N., Hill, R. M., Boto, E., Leggett, J., Edwards, L. J., …Brookes, M. J. (2021). Precision magnetic field modelling and control for wearable magnetoencephalography. NeuroImage, 241, Article 118401. https://doi.org/10.1016/j.neuroimage.2021.118401

Optically-pumped magnetometers (OPMs) are highly sensitive, compact magnetic field sensors, which offer a viable alternative to cryogenic sensors (superconducting quantum interference devices – SQUIDs) for magnetoencephalography (MEG). With the promi... Read More about Precision magnetic field modelling and control for wearable magnetoencephalography.

Parametric Assessment of the Effect of Cochlear Implant Positioning on Brain MRI Artefacts at 3 T (2021)
Journal Article
Dewey, R. S., Dineen, R. A., Clemence, M., Dick, O., Bowtell, R., & Kitterick, P. T. (2021). Parametric Assessment of the Effect of Cochlear Implant Positioning on Brain MRI Artefacts at 3 T. Otology and Neurotology, 42(10), e1449-e1456. https://doi.org/10.1097/MAO.0000000000003281

Background:Brain magnetic resonance imaging in patients with cochlear implants (CIs) is impacted by image artefacts.Hypothesis:The optimal positioning of the CI to minimize artefacts is unknown. This study aimed to characterize the dependence of the... Read More about Parametric Assessment of the Effect of Cochlear Implant Positioning on Brain MRI Artefacts at 3 T.

Beta-frequency electrophysiological bursts: BOLD correlates and relationships with psychotic illness (2021)
Presentation / Conference Contribution
Briley, P. M., Liddle, E. B., Mullinger, K. J., Simmonite, M., Palaniyappan, L., Bowtell, R. W., …Balain, V. (2021). Beta-frequency electrophysiological bursts: BOLD correlates and relationships with psychotic illness. BJPsych Open, 7(S1), S37-S38. https://doi.org/10.1192/bjo.2021.151

Planar Coil Optimization in a Magnetically Shielded Cylinder (2021)
Journal Article
Packer, M., Hobson, P. J., Holmes, N., Leggett, J., Glover, P., Brookes, M. J., …Fromhold, T. M. (2021). Planar Coil Optimization in a Magnetically Shielded Cylinder. Physical Review Applied, 15(6), Article 064006. https://doi.org/10.1103/PhysRevApplied.15.064006

Hybrid magnetic shields with both active field generating components and high-permeability magnetic shielding are increasingly needed for various technologies and experiments that require precision-controlled magnetic field environments. However, the... Read More about Planar Coil Optimization in a Magnetically Shielded Cylinder.

Theoretical advantages of a triaxial optically pumped magnetometer magnetoencephalography system (2021)
Journal Article
Brookes, M. J., Boto, E., Rea, M., Shah, V., Osborne, J., Holmes, N., …Bowtell, R. (2021). Theoretical advantages of a triaxial optically pumped magnetometer magnetoencephalography system. NeuroImage, 236, Article 118025. https://doi.org/10.1016/j.neuroimage.2021.118025

The optically pumped magnetometer (OPM) is a viable means to detect magnetic fields generated by human brain activity. Compared to conventional detectors (superconducting quantum interference devices) OPMs are small, lightweight, flexible, and operat... Read More about Theoretical advantages of a triaxial optically pumped magnetometer magnetoencephalography system.

Calibration-free regional RF shims for MRS (2021)
Journal Article
Berrington, A., Považan, M., Mirfin, C., Bawden, S., Park, Y. W., Marsh, D. C., …Gowland, P. A. (2021). Calibration-free regional RF shims for MRS. Magnetic Resonance in Medicine, 86(2), 611-624. https://doi.org/10.1002/mrm.28749

Purpose: Achieving a desired RF transmit field (B1+) in small regions-of-interest (ROIs) is critical for single-voxel MR spectroscopy at ultra-high field. RF shimming, using parallel transmission, requires B1+ mapping and optimisation, which limits i... Read More about Calibration-free regional RF shims for MRS.

Measuring the cortical tracking of speech with optically-pumped magnetometers (2021)
Journal Article
de Lange, P., Boto, E., Holmes, N., Hill, R. M., Bowtell, R., Wens, V., …Bourguignon, M. (2021). Measuring the cortical tracking of speech with optically-pumped magnetometers. NeuroImage, 233, Article 117969. https://doi.org/10.1016/j.neuroimage.2021.117969

Operculo-Insular and Anterior Cingulate Plasticity Induced by Transcranial Magnetic Stimulation in the Human Motor Cortex: A Dynamic Casual Modelling Study (2021)
Journal Article
Hodkinson, D. J., Bungert, A., Bowtell, R. W., Jackson, S. R., & Jung, J. (2021). Operculo-Insular and Anterior Cingulate Plasticity Induced by Transcranial Magnetic Stimulation in the Human Motor Cortex: A Dynamic Casual Modelling Study. Journal of Neurophysiology, 125(4), 1180-1190. https://doi.org/10.1152/jn.00670.2020

The ability to induce neuroplasticity with non-invasive brain stimulation techniques offers a unique opportunity to examine the human brain systems involved in pain modulation. In experimental and clinical settings, the primary motor cortex (M1) is c... Read More about Operculo-Insular and Anterior Cingulate Plasticity Induced by Transcranial Magnetic Stimulation in the Human Motor Cortex: A Dynamic Casual Modelling Study.

Probing the myelin water compartment with a saturation-recovery, multi-echo gradient-recalled echo sequence (2021)
Journal Article
Kleban, E., Gowland, P., & Bowtell, R. (2021). Probing the myelin water compartment with a saturation-recovery, multi-echo gradient-recalled echo sequence. Magnetic Resonance in Medicine, 86(1), 167-181. https://doi.org/10.1002/mrm.28695

Purpose: To investigate the effect of varying levels of (Formula presented.) -weighting on the evolution of the complex signal from white matter in a multi-echo gradient-recalled echo (mGRE) saturation-recovery sequence. Theory and Methods: Analysis... Read More about Probing the myelin water compartment with a saturation-recovery, multi-echo gradient-recalled echo sequence.

Measuring functional connectivity with wearable MEG (2021)
Journal Article
Boto, E., Hill, R. M., Rea, M., Holmes, N., Seedat, Z. A., Leggett, J., …Brookes, M. J. (2021). Measuring functional connectivity with wearable MEG. NeuroImage, 230, Article 117815. https://doi.org/10.1016/j.neuroimage.2021.117815