Outputs (516)

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.

Non-invasive assessment of portal hypertension using quantitative magnetic resonance imaging (2016)
Journal Article
Palaniyappan, N., Cox, E., Bradley, C., Scott, R., Austin, A., O’Neill, R., Ramjas, G., Travis, S., White, H., Singh, R., Thurley, P., Guha, I. N., Francis, S., & Aithal, G. P. (2016). Non-invasive assessment of portal hypertension using quantitative magnetic resonance imaging. Journal of Hepatology, 65(6), 1131-1139. https://doi.org/10.1016/j.jhep.2016.07.021

Background & Aims

Hepatic venous pressure gradient (HVPG) measurement is currently the only validated technique to accurately evaluate changes in portal pressure. In this study, we evaluate the use of non-contrast quantitative magnetic resonance i... Read More about Non-invasive assessment of portal hypertension using quantitative magnetic resonance imaging.

Comparison of pulsed three-dimensional CEST acquisition schemes at 7 tesla: steady state versus pseudosteady state (2016)
Journal Article
Khlebnikov, V., Geades, N., Klomp, D. W., Hoogduin, H., Gowland, P. A., & Mougin, O. (2017). Comparison of pulsed three-dimensional CEST acquisition schemes at 7 tesla: steady state versus pseudosteady state. Magnetic Resonance in Medicine, 77(6), 2280-2287. https://doi.org/10.1002/mrm.26323

Purpose: To compare two pulsed, volumetric chemical exchange saturation transfer (CEST) acquisition schemes: steady state (SS) and pseudosteady state (PS) for the same brain coverage, spatial/spectral resolution and scan time.
Methods: Both schemes... Read More about Comparison of pulsed three-dimensional CEST acquisition schemes at 7 tesla: steady state versus pseudosteady state.

Polygenic risk of psychosis and ventral striatal activation during reward processing in healthy adolescents (2016)
Journal Article
Lancaster, T. M., Linden, D. E., Tansey, K. E., Banaschewski, T., Bokde, A. L., Bromberg, U., Büchel, C., Cattrell, A., Conrod, P. J., Flor, H., Frouin, V., Gallinat, J., Garavan, H., Gowland, P. A., Heinz, A., Ittermann, B., Martinot, J.-L., Paillère Martinot, M.-L., Artiges, E., Lemaitre, H., …Schumann, G. (in press). Polygenic risk of psychosis and ventral striatal activation during reward processing in healthy adolescents. JAMA Psychiatry, 73(8), https://doi.org/10.1001/jamapsychiatry.2016.1135

Importance: Psychotic disorders are characterized by attenuated activity in the brain’s valuation system in key reward processing areas, such as the ventral striatum (VS), as measured with functional magnetic resonance imaging.
Objective: To examine... Read More about Polygenic risk of psychosis and ventral striatal activation during reward processing in healthy adolescents.

Associations of limbic-affective brain activity and severity of ongoing chronic arthritis pain are explained by trait anxiety (2016)
Journal Article
Cottam, W. J., Condon, L., Alshuft, H., Reckziegel, D., & Auer, D. P. (in press). Associations of limbic-affective brain activity and severity of ongoing chronic arthritis pain are explained by trait anxiety. NeuroImage: Clinical, 12, https://doi.org/10.1016/j.nicl.2016.06.022

Functional magnetic resonance imaging studies (fMRI) have transformed our understanding of central processing of evoked pain but the typically used block and event-related designs are not best suited to the study of ongoing pain. Here we used arteria... Read More about Associations of limbic-affective brain activity and severity of ongoing chronic arthritis pain are explained by trait anxiety.

Patients with chronic kidney disease have abnormal upper gastro-intestinal tract digestive function: a study of uremic enteropathy: small bowel dysfunction in CKD (2016)
Journal Article
Grant, C. J., Harrison, L. E., Hoad, C. L., Marciani, L., Gowland, P. A., & McIntyre, C. W. (2017). Patients with chronic kidney disease have abnormal upper gastro-intestinal tract digestive function: a study of uremic enteropathy: small bowel dysfunction in CKD. Journal of Gastroenterology and Hepatology, 32(2), 372-377. https://doi.org/10.1111/jgh.13458

Background and Aim: Chronic kidney disease (CKD) affects gastrointestinal (GI) function and results in numerous adaptive and maladaptive responses. Disruption of the colonic microbiome and its attendant consequences—the loss of gut barrier integrity... Read More about Patients with chronic kidney disease have abnormal upper gastro-intestinal tract digestive function: a study of uremic enteropathy: small bowel dysfunction in CKD.

Functional reorganisation in chronic pain and neural correlates of pain sensitisation (2016)
Journal Article
Tanasescu, R., Cottam, W., Condon, L., Tench, C. R., & Auer, D. P. (2016). Functional reorganisation in chronic pain and neural correlates of pain sensitisation. Neuroscience and Biobehavioral Reviews, 68, 120-133. https://doi.org/10.1016/j.neubiorev.2016.04.001

© 2016 Published by Elsevier Ltd. Maladaptive mechanisms of pain processing in chronic pain conditions (CP) are poorly understood. We used coordinate based meta-analysis of 266 fMRI pain studies to study functional brain reorganisation in CP and expe... Read More about Functional reorganisation in chronic pain and neural correlates of pain sensitisation.

Mapping quantal touch using 7 Tesla functional magnetic resonance imaging and single-unit intraneural microstimulation (2016)
Journal Article
Sanchez Panchuelo, R., Ackerley, R. M., Glover, P. M., Bowtell, R. W., Wessberg, J., Francis, S. T., & McGlone, F. (2016). Mapping quantal touch using 7 Tesla functional magnetic resonance imaging and single-unit intraneural microstimulation. eLife, 5(MAY2016), Article e.Life.12812. https://doi.org/10.7554/elife.12812

Using ultra-high field 7 Tesla (7T) functional magnetic resonance imaging (fMRI), we map the cortical and perceptual responses elicited by intraneural microstimulation (INMS) of single mechanoreceptive afferent units in the median nerve, in humans. A... Read More about Mapping quantal touch using 7 Tesla functional magnetic resonance imaging and single-unit intraneural microstimulation.

A comparison of phase imaging and quantitative susceptibility mapping in the imaging of multiple sclerosis lesions at ultrahigh field (2016)
Journal Article
Cronin, M. J., Wharton, S., Al-Radaideh, A., Constantinescu, C., Evangelou, N., Bowtell, R. W., & Gowland, P. A. (2016). A comparison of phase imaging and quantitative susceptibility mapping in the imaging of multiple sclerosis lesions at ultrahigh field. Magnetic Resonance Materials in Physics, Biology and Medicine, 29(3), 543-557. https://doi.org/10.1007/s10334-016-0560-5

Objective

The aim of this study was to compare the use of high-resolution phase and QSM images acquired at ultra-high field in the investigation of multiple sclerosis (MS) lesions with peripheral rings, and to discuss their usefulness for drawing... Read More about A comparison of phase imaging and quantitative susceptibility mapping in the imaging of multiple sclerosis lesions at ultrahigh field.