Claire M Stevenson
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Explore the profile of Claire M Stevenson including associated specialties, affiliations and a list of published articles.
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10
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Recent Articles
1.
Brookes M, Hale J, Zumer J, Stevenson C, Francis S, Barnes G, et al.
Neuroimage
. 2011 Mar;
56(3):1082-104.
PMID: 21352925
Functional connectivity (FC) between brain regions is thought to be central to the way in which the brain processes information. Abnormal connectivity is thought to be implicated in a number...
2.
Stevenson C, Brookes M, Morris P
Hum Brain Mapp
. 2011 Jan;
32(2):182-97.
PMID: 21229612
Oscillatory activity in the β-band (15-30 Hz) has been studied in detail in the sensorimotor cortex. It has been postulated that β-activity acts as a localized gating of cortical activity....
3.
Brookes M, Wood J, Stevenson C, Zumer J, White T, Liddle P, et al.
Neuroimage
. 2010 Nov;
55(4):1804-15.
PMID: 21044687
In this study, we elucidate the changes in neural oscillatory processes that are induced by simple working memory tasks. A group of eight subjects took part in modified versions of...
4.
Hale J, Brookes M, Hall E, Zumer J, Stevenson C, Francis S, et al.
MAGMA
. 2010 Jul;
23(5-6):339-49.
PMID: 20625794
Object: The objective of this work was to assess functional connectivity measurements at ultra-high field (7T), given BOLD contrast to noise ratio increases with magnetic field strength but physiological noise...
5.
Zumer J, Brookes M, Stevenson C, Francis S, Morris P
Neuroimage
. 2009 Sep;
49(2):1479-89.
PMID: 19778617
The exact relationship between neural activity and BOLD fMRI is unknown. However, several recent findings, recorded invasively in both humans and monkeys, show a positive correlation of BOLD to high-frequency...
6.
Brookes M, Zumer J, Stevenson C, Hale J, Barnes G, Vrba J, et al.
Neuroimage
. 2009 Jul;
49(1):525-38.
PMID: 19635575
This study shows that the spatial specificity of MEG beamformer estimates of electrical activity can be affected significantly by the way in which covariance estimates are calculated. We define spatial...
7.
Brookes M, Vrba J, Mullinger K, Geirsdottir G, Yan W, Stevenson C, et al.
Neuroimage
. 2008 Dec;
45(2):440-52.
PMID: 19049883
This paper investigates the application of source reconstruction methodologies to EEG data recorded in concurrent EEG/fMRI experiments at 7T. An EEG phantom containing a dipolar current source is described and...
8.
Brookes M, Mullinger K, Stevenson C, Morris P, Bowtell R
Neuroimage
. 2008 Feb;
40(3):1090-104.
PMID: 18296069
The simultaneous application of functional MRI and EEG represents an attractive, non-invasive technique for the combined measurement of electrical and haemodynamic activity in the human brain. Simultaneous EEG/fMRI provides a...
9.
Brookes M, Vrba J, Robinson S, Stevenson C, Peters A, Barnes G, et al.
Neuroimage
. 2007 Dec;
39(4):1788-802.
PMID: 18155612
In recent years, the use of beamformers for source localisation has significantly improved the spatial accuracy of magnetoencephalography. In this paper, we examine techniques by which to optimise experimental design,...
10.
Brookes M, Stevenson C, Barnes G, Hillebrand A, Simpson M, Francis S, et al.
Neuroimage
. 2007 Jan;
34(4):1454-65.
PMID: 17196835
This paper introduces a lead field formulation for use in beamformer analysis of MEG data. This 'dual source beamformer' is a technique to image two temporally correlated sources using beamformer...