All Outputs (13)

Development of human electrophysiological brain networks (2018)
Journal Article
Briley, P. M., Liddle, E. B., Groom, M. J., Smith, H. J. F., Morris, P. G., Colclough, G. L., …Liddle, P. F. (2018). Development of human electrophysiological brain networks. Journal of Neurophysiology, 120(6), 3122-3130. https://doi.org/10.1152/jn.00293.2018

Functional activity in the human brain is intrinsically organized into independently active, connected brain regions. These networks include sensorimotor systems, as well as higher-order cognitive networks such as the default mode network (DMN), whic... Read More about Development of human electrophysiological brain networks.

How do spatially distinct frequency specific MEG networks emerge from one underlying structural connectome? The role of the structural eigenmodes (2018)
Journal Article
Tewarie, P., Abeysuriya, R., Byrne, Á., O'Neill, G. C., Sotiropoulos, S. N., Brookes, M. J., & Coombes, S. (2019). How do spatially distinct frequency specific MEG networks emerge from one underlying structural connectome? The role of the structural eigenmodes. NeuroImage, 186, 211-220. https://doi.org/10.1016/j.neuroimage.2018.10.079

Functional networks obtained from magnetoencephalography (MEG) from different frequency bands show distinct spatial patterns. It remains to be elucidated how distinct spatial patterns in MEG networks emerge given a single underlying structural networ... Read More about How do spatially distinct frequency specific MEG networks emerge from one underlying structural connectome? The role of the structural eigenmodes.

Time to endoscopy for acute upper gastrointestinal bleeding: results from a prospective multicentre trainee-led audit (2018)
Journal Article
Siau, K., Hodson, J., Ingram, R., Baxter, A., Widlak, M. M., Sharratt, C., …Major, G. (2018). Time to endoscopy for acute upper gastrointestinal bleeding: results from a prospective multicentre trainee-led audit. United European Gastroenterology Journal, https://doi.org/10.1177/2050640618811491

Background: Endoscopy within 24 hours of admission (early endoscopy) is a quality standard in acute upper gastrointestinal bleeding (AUGIB). We aimed to audit time to endoscopy outcomes and identify factors affecting delayed endoscopy (>24h of admiss... Read More about Time to endoscopy for acute upper gastrointestinal bleeding: results from a prospective multicentre trainee-led audit.

Spontaneous cortical activity transiently organises into frequency specific phase-coupling networks (2018)
Journal Article
Vidaurre, D., Hunt, L. T., Quinn, A. J., Hunt, B. A. E., Brookes, M. J., Nobre, A. C., & Woolrich, M. W. (2018). Spontaneous cortical activity transiently organises into frequency specific phase-coupling networks. Nature Communications, 9(1), Article 2987. https://doi.org/10.1038/s41467-018-05316-z

© 2018, The Author(s). Frequency-specific oscillations and phase-coupling of neuronal populations are essential mechanisms for the coordination of activity between brain areas during cognitive tasks. Therefore, the ongoing activity ascribed to the di... Read More about Spontaneous cortical activity transiently organises into frequency specific phase-coupling networks.

Cognitive neuroscience using wearable magnetometer arrays: Non-invasive assessment of language function (2018)
Journal Article
Tierney, T. M., Holmes, N., Meyer, S. S., Boto, E., Roberts, G., Leggett, J., …Barnes, G. R. (2018). Cognitive neuroscience using wearable magnetometer arrays: Non-invasive assessment of language function. NeuroImage, 181, 513-520. https://doi.org/10.1016/j.neuroimage.2018.07.035

Recent work has demonstrated that Optically Pumped Magnetometers (OPMs) can be utilised to create a wearable Magnetoencephalography (MEG) system that is motion robust. In this study, we use this system to map eloquent cortex using a clinically valida... Read More about Cognitive neuroscience using wearable magnetometer arrays: Non-invasive assessment of language function.

Changes in electrophysiological markers of cognitive control after administration of galantamine (2018)
Journal Article
Robson, S. E., Gascoyne, L. E., Mullinger, K. J., Robson, S., Kumar, J., O'Neill, G. C., …Liddle, P. F. (2018). Changes in electrophysiological markers of cognitive control after administration of galantamine. NeuroImage: Clinical, 20, 228-235. https://doi.org/10.1016/j.nicl.2018.07.019

© 2018 The healthy brain is able to maintain a stable balance between bottom-up sensory processing and top-down cognitive control. The neurotransmitter acetylcholine plays a substantial role in this. Disruption of this balance could contribute to sym... Read More about Changes in electrophysiological markers of cognitive control after administration of galantamine.

A bi-planar coil system for nulling background magnetic fields in scalp mounted magnetoencephalography (2018)
Journal Article
Holmes, N., Leggett, J., Boto, E., Roberts, G., Hill, R. M., Tierney, T. M., …Bowtell, R. (2018). A bi-planar coil system for nulling background magnetic fields in scalp mounted magnetoencephalography. NeuroImage, 181, 760-774. https://doi.org/10.1016/j.neuroimage.2018.07.028

Small, commercially-available Optically Pumped Magnetometers (OPMs) can be used to construct a wearable Magnetoencephalography (MEG) system that allows large head movements to be made during recording. The small dynamic range of these sensors however... Read More about A bi-planar coil system for nulling background magnetic fields in scalp mounted magnetoencephalography.

Mapping the topological organisation of beta oscillations in motor cortex using MEG (2018)
Journal Article
Barratt, E., Francis, S. T., Morris, P. G., & Brookes, M. J. (2018). Mapping the topological organisation of beta oscillations in motor cortex using MEG. NeuroImage, https://doi.org/10.1016/j.neuroimage.2018.06.041

The spatial topology of the human motor cortex has been well studied, particularly using functional Magnetic Resonance Imaging (fMRI) which allows spatial separation of haemodynamic responses arising from stimulation of different body parts, individu... Read More about Mapping the topological organisation of beta oscillations in motor cortex using MEG.

Glutathione and glutamate in schizophrenia: a 7T MRS study (2018)
Journal Article
Kumar, J., Liddle, E. B., Fernandes, C. C., Palaniyappan, L., Hall, E. L., Robson, S. E., …Liddle, P. F. (2018). Glutathione and glutamate in schizophrenia: a 7T MRS study. Molecular Psychiatry, 25(4), 873–882. https://doi.org/10.1038/s41380-018-0104-7

© 2018 The Author(s) In schizophrenia, abnormal neural metabolite concentrations may arise from cortical damage following neuroinflammatory processes implicated in acute episodes. Inflammation is associated with increased glutamate, whereas the antio... Read More about Glutathione and glutamate in schizophrenia: a 7T MRS study.

Relationships Between Neuronal Oscillatory Amplitude and Dynamic Functional Connectivity (2018)
Journal Article
Tewarie, P., Hunt, B. A. E., O'Neill, G. C., Byrne, A., Aquino, K., Bauer, M., …Brookes, M. J. (2018). Relationships Between Neuronal Oscillatory Amplitude and Dynamic Functional Connectivity. Cerebral Cortex, 29(6), 2668-2681. https://doi.org/10.1093/cercor/bhy136

Event related fluctuations of neural oscillatory amplitude are reported widely in the context of cognitive processing and are typically interpreted as a marker of brain ‘activity’. However, the precise nature of these effects remains unclear; in part... Read More about Relationships Between Neuronal Oscillatory Amplitude and Dynamic Functional Connectivity.

Moving magnetoencephalography towards real-world applications with a wearable system (2018)
Journal Article
Boto, E., Holmes, N., Leggett, J., Roberts, G., Shah, V., Meyer, S. S., …Brookes, M. J. (2018). Moving magnetoencephalography towards real-world applications with a wearable system. Nature, 555, 657-661. https://doi.org/10.1038/nature26147

Imaging human brain function with techniques such as magnetoencephalography1 (MEG) typically requires a subject to perform tasks whilst their head remains still within a restrictive scanner. This artificial environment makes the technique inaccessibl... Read More about Moving magnetoencephalography towards real-world applications with a wearable system.

Altered temporal stability in dynamic neural networks underlies connectivity changes in neurodevelopment (2018)
Journal Article
Brookes, M. J., Groom, M. J., Liuzzi, L., Hill, R. M., Smith, H. J., Briley, P. M., …Liddle, E. B. (2018). Altered temporal stability in dynamic neural networks underlies connectivity changes in neurodevelopment. NeuroImage, 174, https://doi.org/10.1016/j.neuroimage.2018.03.008

Network connectivity is an integral feature of human brain function, and characterising its maturational trajectory is a critical step towards understanding healthy and atypical neurodevelopment. Here, we used magnetoencephalography (MEG) to investig... Read More about Altered temporal stability in dynamic neural networks underlies connectivity changes in neurodevelopment.

A biophysical model of dynamic balancing of excitation and inhibition in fast oscillatory large-scale networks (2018)
Journal Article
Abeysuriya, R. G., Hadida, J., Sotiropoulos, S. N., Jbabdi, S., Becker, R., Hunt, B. A., …Woolrich, M. W. (in press). A biophysical model of dynamic balancing of excitation and inhibition in fast oscillatory large-scale networks. PLoS Computational Biology, 14(2), Article e1006007. https://doi.org/10.1371/journal.pcbi.1006007

Over long timescales, neuronal dynamics can be robust to quite large perturbations, such as changes in white matter connectivity and grey matter structure through processes including learning, aging, development and certain disease processes. One pos... Read More about A biophysical model of dynamic balancing of excitation and inhibition in fast oscillatory large-scale networks.