Search Results - "PALEY, Martyn N. J"

Neonatal Cochlear Function: Measurement after Exposure to Acoustic Noise during in Utero MR Imaging by REEVES, Michael J, BRANDRETH, Marian, WHITBY, Elspeth H, HART, Anthony R, PALEY, Martyn N. J, GRIFFITHS, Paul D, STEVENS, John C

“…To establish whether fetal exposure to the operating noise of 1.5-T magnetic resonance (MR) imaging is associated with cochlear injury and subsequent hearing…”
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Evidence for Rapid Oxidative Phosphorylation and Lactate Fermentation in Motile Human Sperm by Hyperpolarized 13C Magnetic Resonance Spectroscopy by Reynolds, Steven, Ismail, Nurul Fadhlina bt, Calvert, Sarah J., Pacey, Allan A., Paley, Martyn N. J.

“…Poor sperm motility is a common cause of male infertility for which there are no empirical therapies. Sperm motility is powered by adenosine triphosphate but…”
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Recent advances on optic nerve magnetic resonance imaging and post-processing by Chow, Li Sze, Paley, Martyn N.J.

“…The optic nerve is known to be one of the largest nerve bundles in the human central nervous system. There have been many studies of optic nerve imaging and…”
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Postmortem MR Imaging of the Fetal and Stillborn Central Nervous System by Griffiths, Paul D, Variend, Dick, Evans, Margaret, Jones, Angharad, Wilkinson, Iain D, Paley, Martyn N. J, Whitby, Elspeth

“…Changes in the public perception of postmortem procedures in the United Kingdom have led to reduced numbers of autopsies being performed in the fetus and…”
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Fetal electrocardiogram (fECG) gated MRI by Paley, Martyn N J, Morris, Janet E, Jarvis, Debbie, Griffiths, Paul D

“…We have developed a Magnetic Resonance Imaging (MRI)-compatible system to enable gating of a scanner to the heartbeat of a foetus for cardiac, umbilical cord…”
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Evaluation of optimal interpolation and segmentation of the optic nerves on magnetic resonance images for cross‐sectional area measurement by Chow, Li Sze, Paley, Martyn N. J., Hickman, Simon J.

“…This study investigated nine combination methods produced from three interpolation (Lanczos, iterative curvature based interpolation, and contrast‐guided) and…”
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Imaging the fetal spine using in utero MR: diagnostic accuracy and impact on management by Griffiths, Paul D, Widjaja, Elysa, Paley, Martyn N J, Whitby, Elspeth H

“…In-utero MR imaging (iuMR) has entered the clinical arena during the last decade. It is used mainly for imaging fetal brain abnormalities. To report our…”
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Investigation of MR signal modulation due to magnetic fields from neuronal currents in the adult human optic nerve and visual cortex by Chow, Li Sze, Cook, Greg G., Whitby, Elspeth, Paley, Martyn N.J.

“…Neuronal currents produce weak transient magnetic fields, and the hypothesis being investigated here is that the components of these parallel to the B 0 field…”
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Initial experience of an investigational 3T MR scanner designed for use on neonatal wards by Griffiths, Paul D., Jarvis, Deborah, Armstrong, Leanne, Connolly, Daniel J. A., Bayliss, Pauline, Cook, Julie, Hart, Anthony R., Pilling, Elizabeth, Williams, Tamanna, Paley, Martyn N. J.

“…Objectives MR imaging of neonates is difficult for many reasons and a major factor is safe transport to the MR facilities. In this article we describe the use…”
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Targeted magnetic resonance imaging (tMRI) of small changes in the T1 and spatial properties of normal or near normal appearing white and gray matter in disease of the brain using divided subtracted inversion recovery (dSIR) and divided reverse subtracted inversion recovery (drSIR) sequences by Ma, Ya-Jun, Moazamian, Dina, Port, John D., Edjlali, Myriam, Pruvo, Jean-Pierre, Hacein-Bey, Lotfi, Hoggard, Nigel, Paley, Martyn N. J., Menon, David K., Bonekamp, David, Pravatà, Emanuele, Garwood, Michael, Danesh-Meyer, Helen, Condron, Paul, Cornfeld, Daniel M., Holdsworth, Samantha J., Du, Jiang, Bydder, Graeme M.

“…This review describes targeted magnetic resonance imaging (tMRI) of small changes in the T1 and the spatial properties of normal or near normal appearing white…”
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SNR phase order k -space encoding (SPOKE) by Paley, Martyn N.J, Wild, James M, Lee, Kuan J, Griffiths, Paul D, Whitby, Elspeth H

“…Abstract A method of determining the phase-encode order for MR Fourier-encoded imaging is described, which provides an additional option for optimizing images…”
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A system for accurate and automated injection of hyperpolarized substrate with minimal dead time and scalable volumes over a large range by Reynolds, Steven, Bucur, Adriana, Port, Michael, Alizadeh, Tooba, Kazan, Samira M., Tozer, Gillian M., Paley, Martyn N.J.

“…[Display omitted] •MR compatible injection system that can be operated in high magnetic fringe field.•Automated rapid, accurate and reproducible multipart…”
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Diffusion‐weighted imaging of cerebral white matter and the cerebellum following preterm birth by HART, ANTHONY R, WHITBY, ELSPETH H, CLARK, SIMON J, PALEY, MARTYN N J, SMITH, MICHAEL F

“…Aim  The aim of this study was to determine if apparent diffusion coefficients (ADCs) generated with diffusion‐weighted imaging of cerebral white matter and…”
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Brain iron deposition in Parkinson's disease imaged using the PRIME magnetic resonance sequence by Graham, Jacqueline M., Paley, Martyn N. J., Grünewald, Richard A., Hoggard, Nigel, Griffiths, Paul D.

“…Iron content of the basal ganglia was investigated in 25 patients with idiopathic Parkinson's disease and 14 matched healthy control subjects using a partially…”
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Comparison of BOLD and direct-MR neuronal detection (DND) in the human visual cortex at 3T by Chow, Li Sze, Dagens, Andrew, Fu, Ying, Cook, Greg G., Paley, Martyn N.J.

“…Direct‐MR neuronal detection (DND) of transient magnetic fields has recently been investigated as a novel imaging alternative to the conventional BOLD…”
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Investigation of axonal magnetic fields in the human corpus callosum using visual stimulation based on MR signal modulation by Chow, Li Sze, Cook, Greg G., Whitby, Elspeth, Paley, Martyn N.J.

“…Purpose To investigate the possibility of detecting visually‐evoked axonal currents in the splenium of the human corpus callosum using a 3.0T MRI system…”
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Modelling of axonal fields in the optic nerve for direct MR detection studies by Paley, Martyn N.J., Chow, Li Sze, Whitby, Elspeth H., Cook, Greg G.

“…A number of studies have now shown that direct detection of neuronal firing by MRI may be possible. The optic nerve carries all visual information from the eye…”
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Investigating direct detection of axon firing in the adult human optic nerve using MRI by Chow, Li Sze, Cook, Greg G., Whitby, Elspeth, Paley, Martyn N.J.

“…The aim of this study was to directly detect spectral components of the magnetic fields of ionic currents caused by firing of the axons in the optic nerve in…”
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Parallel imaging of hyperpolarized helium-3 with simultaneous slice excitation by Teh, Kevin, Lee, Kuan J., Paley, Martyn N. J., Wild, Jim M.

“…Hyperpolarized (HP) gas imaging of the lungs is an ideal potential application for parallel imaging. This is due to the fact that there is limited scan time…”
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Simultaneous parallel inclined readout image technique by Paley, Martyn N.J., Lee, Kuan J., Wild, James M., Griffiths, Paul D., Whitby, Elspeth H.

“…Sensitivity-encoded phase undersampling has been combined with simultaneous slice excitation to produce a parallel MRI method with a high volumetric…”
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