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All Outputs (96)

On the potential of a new generation of magnetometers for MEG: A beamformer simulation study (2016)
Journal Article
Boto, E., Bowtell, R. W., Kruger, P., Fromhold, T. M., Morris, P. G., Meyer, S. S., Barnes, G. R., & Brookes, M. J. (2016). On the potential of a new generation of magnetometers for MEG: A beamformer simulation study. PLoS ONE, 11(8), Article e0157655. https://doi.org/10.1371/journal.pone.0157655

Magnetoencephalography (MEG) is a sophisticated tool which yields rich information on the spatial, spectral and temporal signatures of human brain function. Despite unique potential, MEG is limited by a low signal-to-noise ratio (SNR) which is caused... Read More about On the potential of a new generation of magnetometers for MEG: A beamformer simulation study.

Integrating cross-frequency and within band functional networks in resting-state MEG: A multi-layer network approach (2016)
Journal Article
Van Mieghem, P., Tewarie, P., Hillebrand, A., van Dijk, B. W., Stam, C. J., O'Neill, G. C., Morris, P. G., Meier, J. M., Woolrich, M. W., & Brookes, M. J. (2016). Integrating cross-frequency and within band functional networks in resting-state MEG: A multi-layer network approach. NeuroImage, 142, 324-336. https://doi.org/10.1016/j.neuroimage.2016.07.057

Neuronal oscillations exist across a broad frequency spectrum, and are thought to provide a mechanism of interaction between spatially separated brain regions. Since ongoing mental activity necessitates the simultaneous formation of multiple networks... Read More about Integrating cross-frequency and within band functional networks in resting-state MEG: A multi-layer network approach.

The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper) (2016)
Presentation / Conference Contribution
Bongs, K., Boyer, V., Cruise, M., Freise, A., Holynski, M., Hughes, J., Kaushik, A., Lien, Y.-H., Niggebaum, A., Perea-Ortiz, M., Petrov, P., Plant, S., Singh, Y., Stabrawa, A., Paul, D., Sorel, M., Cumming, D., Marsh, J., Bowtell, R. W., Bason, M., …John, P. (2016, April). The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper). Presented at SPIE Photonics Europe, 2016, Brussels, Belgium

The UK National Quantum Technology Hub in Sensors and Metrology is one of four flagship initiatives in the UK National of Quantum Technology Program. As part of a 20-year vision it translates laboratory demonstrations to deployable practical devices,... Read More about The UK National Quantum Technologies Hub in sensors and metrology (Keynote Paper).

How reliable are MEG resting-state connectivity metrics? (2016)
Journal Article
Colclough, G., Woolrich, M., Tewarie, P., Brookes, M., Quinn, A., & Smith, S. (2016). How reliable are MEG resting-state connectivity metrics?. NeuroImage, 138, 284-293. https://doi.org/10.1016/j.neuroimage.2016.05.070

MEG offers dynamic and spectral resolution for resting-state connectivity which is unavailable in fMRI. However, there are a wide range of available network estimation methods for MEG, and little in the way of existing guidance on which ones to emplo... Read More about How reliable are MEG resting-state connectivity metrics?.

Modulation of post-movement beta rebound by contraction force and rate of force development (2016)
Journal Article
Fry, A., Mullinger, K. J., O'Neill, G. C., Barratt, E. L., Morris, P. G., Bauer, M., Folland, J. P., & Brookes, M. J. (2016). Modulation of post-movement beta rebound by contraction force and rate of force development. Human Brain Mapping, 37(7), https://doi.org/10.1002/hbm.23189

Movement induced modulation of the beta rhythm is one of the most robust neural oscillatory phenomena in the brain. In the preparation and execution phases of movement, a loss in beta amplitude is observed (movement related beta decrease (MRBD)). Thi... Read More about Modulation of post-movement beta rebound by contraction force and rate of force development.

A multi-layer network approach to MEG connectivity analysis (2016)
Journal Article
Brookes, M. J., Tewarie, P. K., Hunt, B. A. E., Robson, S. E., Gascoyne, L. E., Liddle, E. B., Liddle, P. F., & Morris, P. G. (2016). A multi-layer network approach to MEG connectivity analysis. NeuroImage, 132, 425-438. https://doi.org/10.1016/j.neuroimage.2016.02.045

© 2016 The Authors. Recent years have shown the critical importance of inter-regional neural network connectivity in supporting healthy brain function. Such connectivity is measurable using neuroimaging techniques such as MEG, however the richness of... Read More about A multi-layer network approach to MEG connectivity analysis.

Abnormal salience signaling in schizophrenia: The role of integrative beta oscillations: Salience Signaling in Schizophrenia (2016)
Journal Article
Liddle, E. B., Price, D., Palaniyappan, L., Brookes, M. J., Robson, S. E., Hall, E. L., Morris, P. G., & Liddle, P. F. (2016). Abnormal salience signaling in schizophrenia: The role of integrative beta oscillations: Salience Signaling in Schizophrenia. Human Brain Mapping, 37(4), 1361-1374. https://doi.org/10.1002/hbm.23107

Aberrant salience attribution and cerebral dysconnectivity both have strong evidential support as core dysfunctions in schizophrenia. Aberrant salience arising from an excess of dopamine activity has been implicated in delusions and hallucinations, e... Read More about Abnormal salience signaling in schizophrenia: The role of integrative beta oscillations: Salience Signaling in Schizophrenia.

Measuring electrophysiological connectivity by power envelope correlation: a technical review on MEG methods (2015)
Journal Article
O'Neill, G. C., Barratt, E. L., Hunt, B. A. E., Tewarie, P. K., & Brookes, M. J. (2015). Measuring electrophysiological connectivity by power envelope correlation: a technical review on MEG methods. Physics in Medicine and Biology, 60(21), Article R271-R295. https://doi.org/10.1088/0031-9155/60/21/R271

The human brain can be divided into multiple areas, each responsible for different aspects of behaviour. Healthy brain function relies upon efficient connectivity between these areas and, in recent years, neuroimaging has been revolutionised by an ab... Read More about Measuring electrophysiological connectivity by power envelope correlation: a technical review on MEG methods.

Abnormal visuomotor processing in schizophrenia (2015)
Journal Article
Robson, S. E., Brookes, M. J., Hall, E. L., Palaniyappan, L., Kumar, J., Skelton, M., Christodoulou, N. G., Qureshi, A., Jan, F., Katshu, M. Z., Liddle, E. B., Liddle, P. F., & Morris, P. G. (2016). Abnormal visuomotor processing in schizophrenia. NeuroImage: Clinical, 12, 869-878. https://doi.org/10.1016/j.nicl.2015.08.005

Subtle disturbances of visual and motor function are known features of schizophrenia and can greatly impact quality of life; however, few studies investigate these abnormalities using simple visuomotor stimuli. In healthy people, electrophysiological... Read More about Abnormal visuomotor processing in schizophrenia.

Dynamic recruitment of resting state sub-networks (2015)
Journal Article
O'Neill, G. C., Bauer, M., Woolrich, M. W., Morris, P. G., Barnes, G. R., & Brookes, M. J. (2015). Dynamic recruitment of resting state sub-networks. NeuroImage, 115, https://doi.org/10.1016/j.neuroimage.2015.04.030

Resting state networks (RSNs) are of fundamental importance in human systems neuroscience with evidence suggesting that they are integral to healthy brain function and perturbed in pathology. Despite rapid progress in this area, the temporal dynamics... Read More about Dynamic recruitment of resting state sub-networks.

The effect of isocapnic hyperoxia on neurophysiology as measured with MRI and MEG (2015)
Journal Article
Croal, P. L., Hall, E. L., Driver, I. D., Brookes, M. J., Gowland, P. A., & Francis, S. T. (2015). The effect of isocapnic hyperoxia on neurophysiology as measured with MRI and MEG. NeuroImage, 105, https://doi.org/10.1016/j.neuroimage.2014.10.036

The physiological effect of hyperoxia has been poorly characterised, with studies reporting conflicting results on the role of hyperoxia as a vasoconstrictor. It is not clear whether hyperoxia is the primary contributor to vasoconstriction or whether... Read More about The effect of isocapnic hyperoxia on neurophysiology as measured with MRI and MEG.

Fast transient networks in spontaneous human brain activity (2014)
Journal Article
Baker, A. P., Brookes, M. J., Rezek, I. A., Smith, S. M., Behrens, T., Probert Smith, P. J., & Woolrich, M. W. (2014). Fast transient networks in spontaneous human brain activity. eLife, 3, Article e01867. https://doi.org/10.7554/eLife.01867

To provide an effective substrate for cognitive processes, functional brain networks should be able to reorganize and coordinate on a sub-second temporal scale. We used magnetoencephalography recordings of spontaneous activity to characterize whole-b... Read More about Fast transient networks in spontaneous human brain activity.

Measuring temporal, spectral and spatial changes in electrophysiological brain network connectivity (2014)
Journal Article
Brookes, M. J., O'Neill, G. C., Hall, E. L., Woolrich, M. W., Baker, A., Palazzo Corner, S., Robson, S. E., Morris, P. G., & Barnes, G. R. (2014). Measuring temporal, spectral and spatial changes in electrophysiological brain network connectivity. NeuroImage, 91, 282-299. https://doi.org/10.1016/j.neuroimage.2013.12.066

The topic of functional connectivity in neuroimaging is expanding rapidly and many studies now focus on coupling between spatially separate brain regions. These studies show that a relatively small number of large scale networks exist within the brai... Read More about Measuring temporal, spectral and spatial changes in electrophysiological brain network connectivity.

The relationship between MEG and fMRI (2013)
Journal Article
Hall, E. L., Robson, S., Morris, P., & Brookes, M. J. (2014). The relationship between MEG and fMRI. NeuroImage, 102(1), https://doi.org/10.1016/j.neuroimage.2013.11.005

In recent years functional neuroimaging techniques such as fMRI, MEG, EEG and PET have provided researchers with a wealth of information on human brain function. However none of these modalities can measure directly either the neuro-electrical or ne... Read More about The relationship between MEG and fMRI.