Outputs (11)

Improved Dynamic Contrast-Enhanced MRI Using Low Rank with Joint Sparsity (2022)
Journal Article
Zhang, J., Najeeb, F., Wang, X., Xu, P., Omer, H., Zheng, J., Zhang, J., Francis, S., Glover, P., Bowtell, R., & Wang, C. (2022). Improved Dynamic Contrast-Enhanced MRI Using Low Rank with Joint Sparsity. IEEE Access, 10, 121193-121203. https://doi.org/10.1109/access.2022.3222313

This work presents a free-breathing dynamic contrast-enhanced (DCE) MRI reconstruction method called low-rank plus sparse (L+S) with joint sparsity. The proposed method improved dynamic contrast performance by integrating an additional temporal Fast... Read More about Improved Dynamic Contrast-Enhanced MRI Using Low Rank with Joint Sparsity.

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., Lopez, J. D., Hill, R. M., Boto, E., Rea, M., Roberts, G., Leggett, J., Bowtell, R., Brookes, M. J., Maguire, E. A., Walker, M. C., & 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.

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., White, T., Jansen, M., & Balain, V. Beta-frequency electrophysiological bursts: BOLD correlates and relationships with psychotic illness

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.

Multi-channel whole-head OPM-MEG: Helmet design and a comparison with a conventional system (2020)
Journal Article
Hill, R. M., Boto, E., Rea, M., Holmes, N., Leggett, J., Coles, L. A., Papastavrou, M., Everton, S., Hunt, B. A., Sims, D., Osborne, J., Shah, V., Bowtell, R., & Brookes, M. J. (2020). Multi-channel whole-head OPM-MEG: Helmet design and a comparison with a conventional system. NeuroImage, 219, Article 116995. https://doi.org/10.1016/j.neuroimage.2020.116995

© 2020 The Authors Magnetoencephalography (MEG) is a powerful technique for functional neuroimaging, offering a non-invasive window on brain electrophysiology. MEG systems have traditionally been based on cryogenic sensors which detect the small extr... Read More about Multi-channel whole-head OPM-MEG: Helmet design and a comparison with a conventional system.

The haemodynamics of the human placenta in utero (2020)
Journal Article
Dellschaft, N. S., Hutchinson, G., Shah, S., Jones, N. W., Bradley, C., Leach, L., Platt, C., Bowtell, R., & Gowland, P. A. (2020). The haemodynamics of the human placenta in utero. PLoS Biology, 18(5), Article e3000676. https://doi.org/10.1371/journal.pbio.3000676

© 2020 Dellschaft et al. We have used magnetic resonance imaging (MRI) to provide important new insights into the function of the human placenta in utero. We have measured slow net flow and high net oxygenation in the placenta in vivo, which are cons... Read More about The haemodynamics of the human placenta in utero.

Modulating Brain Networks With Transcranial Magnetic Stimulation Over the Primary Motor Cortex: A Concurrent TMS/fMRI Study (2020)
Journal Article
Jung, J., Bungert, A., Bowtell, R., & Jackson, S. (2020). Modulating Brain Networks With Transcranial Magnetic Stimulation Over the Primary Motor Cortex: A Concurrent TMS/fMRI Study. Frontiers in Human Neuroscience, 14, Article 31. https://doi.org/10.3389/fnhum.2020.00031

Stimulating the primary motor cortex (M1) using transcranial magnetic stimulation (TMS) causes unique multisensory experience such as the targeted muscle activity, afferent/reafferent sensory feedback, tactile sensation over the scalp and “click” sou... Read More about Modulating Brain Networks With Transcranial Magnetic Stimulation Over the Primary Motor Cortex: A Concurrent TMS/fMRI Study.

Balanced, bi-planar magnetic field and field gradient coils for field compensation in wearable magnetoencephalography (2019)
Journal Article
Holmes, N., Tierney, T. M., Leggett, J., Boto, E., Mellor, S., Roberts, G., Hill, R. M., Shah, V., Barnes, G. R., Brookes, M. J., & Bowtell, R. (2019). Balanced, bi-planar magnetic field and field gradient coils for field compensation in wearable magnetoencephalography. Scientific Reports, 9, Article 14196. https://doi.org/10.1038/s41598-019-50697-w

To allow wearable magnetoencephalography (MEG) recordings to be made on unconstrained subjects the spatially inhomogeneous remnant magnetic field inside the magnetically shielded room (MSR) must be nulled. Previously, a large bi-planar coil system wh... Read More about Balanced, bi-planar magnetic field and field gradient coils for field compensation in wearable magnetoencephalography.

Optically pumped magnetometers: From quantum origins to multi-channel magnetoencephalography (2019)
Journal Article
Tierney, T. M., Holmes, N., Mellor, S., López, J. D., Roberts, G., Hill, R. M., Boto, E., Leggett, J., Shah, V., Brookes, M. J., Bowtell, R., & Barnes, G. R. (2019). Optically pumped magnetometers: From quantum origins to multi-channel magnetoencephalography. NeuroImage, 199, 598-608. https://doi.org/10.1016/j.neuroimage.2019.05.063

Optically Pumped Magnetometers (OPMs) have emerged as a viable and wearable alternative to cryogenic, superconducting MEG systems. This new generation of sensors has the advantage of not requiring cryogenic cooling and as a result can be flexibly pla... Read More about Optically pumped magnetometers: From quantum origins to multi-channel magnetoencephalography.