Research Topics
| Chloe HuttonSummaryAffiliation: University College London Country: UK Publications
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Detail Information
Publications
Image distortion correction in fMRI: A quantitative evaluationChloe Hutton
Wellcome Department of Cognitive Neurology, Institute of Neurology, London WCIN 3BG, United Kingdom
Neuroimage 16:217-40. 2002..However, we suggest that the variance between successively measured field maps introduces additional unwanted variance in the voxel time-series and is therefore not adequate to correct for time-varying distortions...- Improvement of the image quality of T1-weighted anatomical brain scansClare Howarth
Wellcome Department of Imaging Neuroscience, Institute of Neurology, 12 Queen Square, London WC1N 3BG, Great Britain, UK
Neuroimage 29:930-7. 2006..Furthermore, the presented methods for improving the image quality can be combined with other artefact reduction techniques... 
The impact of physiological noise correction on fMRI at 7 TC Hutton
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, London, UK
Neuroimage 57:101-12. 2011..This tSNR improvement translates into a significant increase in BOLD sensitivity, facilitating the study of even subtle BOLD responses...- A comparison between voxel-based cortical thickness and voxel-based morphometry in normal agingChloe Hutton
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK
Neuroimage 48:371-80. 2009..We therefore propose that used together, these techniques can separate the underlying grey matter changes, highlighting the utility of combining these complementary methods... - Voxel-based cortical thickness measurements in MRIChloe Hutton
Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, London, UK
Neuroimage 40:1701-10. 2008..We propose that the analysis of VBCT maps can provide results that are complementary to other anatomical analyses such as voxel-based morphometry... - Correction of vibration artifacts in DTI using phase-encoding reversal (COVIPER)Siawoosh Mohammadi
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, United Kingdom
Magn Reson Med 68:882-9. 2012..COVIPER can be combined with other corrections based on phase encoding reversal, providing a comprehensive correction for eddy currents, susceptibility-related distortions and vibration artifact reduction... - Degeneration of the injured cervical cord is associated with remote changes in corticospinal tract integrity and upper limb impairmentPatrick Freund
Department of Brain Repair and Rehabilitation, University College London Institute of Neurology, University College London, London, United Kingdom
PLoS ONE 7:e51729. 2012.... - Axonal integrity predicts cortical reorganisation following cervical injuryPatrick Freund
Department of Brain Repair and Rehabilitation, UCL Institute of Neurology, London WC1N 3BG, UK
J Neurol Neurosurg Psychiatry 83:629-37. 2012..Traumatic spinal cord injury (SCI) leads to disruption of axonal architecture and macroscopic tissue loss with impaired information flow between the brain and spinal cord-the presumed basis of ensuing clinical impairment... - Unified segmentation based correction of R1 brain maps for RF transmit field inhomogeneities (UNICORT)Nikolaus Weiskopf
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, London, UK
Neuroimage 54:2116-24. 2011..UNICORT is easy to apply, as it is computationally efficient and its basic framework is implemented as part of the tissue segmentation in SPM8... - Optimized EPI for fMRI studies of the orbitofrontal cortex: compensation of susceptibility-induced gradients in the readout directionNikolaus Weiskopf
Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, WC1N 3BG, UK
MAGMA 20:39-49. 2007..Here, BOLD sensitivity losses due to susceptibility- induced gradients in the readout (RO) direction are characterized and a compensation approach is developed... - Robust and fast whole brain mapping of the RF transmit field B1 at 7TAntoine Lutti
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, London, United Kingdom
PLoS ONE 7:e32379. 2012..The mean accuracy and precision of the optimized method across the brain was high with a bias less than 2.6 percent unit (p.u.) and random error less than 0.7 p.u. respectively... - Optimal EPI parameters for reduction of susceptibility-induced BOLD sensitivity losses: a whole-brain analysis at 3 T and 1.5 TNikolaus Weiskopf
Wellcome Department of Imaging Neuroscience, Institute of Neurology, University College London, London, WC1N 3BG, UK
Neuroimage 33:493-504. 2006..g., encompassing the medial OFC, can be increased by more than 15%. The maps of optimal parameters allow for assessing the feasibility and improving fMRI of brain regions affected by susceptibility-induced BS losses... - Optimization and validation of methods for mapping of the radiofrequency transmit field at 3TAntoine Lutti
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, UK
Magn Reson Med 64:229-38. 2010..The 3D EPI method showed the highest level of reproducibility. The 2D STEAM method was the most time-efficient technique... - Modelling temporal stability of EPI time series using magnitude images acquired with multi-channel receiver coilsChloe Hutton
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, London, United Kingdom
PLoS ONE 7:e52075. 2012..In particular, the extended model improves the prediction of low to medium tSNR values and so can play an important role in the optimization of high-resolution fMRI experiments at lower SNR levels... - Disability, atrophy and cortical reorganization following spinal cord injuryPatrick Freund
Department of Brain Repair and Rehabilitation, UCL Institute of Neurology, UCL, Queen Square, London WC1N 3BG, UK
Brain 134:1610-22. 2011..The degree of cortical reorganization is predicted by spinal atrophy and is associated with significant disability... - Echo time dependence of BOLD contrast and susceptibility artifactsMaria Luisa Gorno-Tempini
Wellcome Department of Cognitive Neurology, Institute of Neurology, 12 Queen Square, London WC1N 3BG, United Kingdom
Neuroimage 15:136-42. 2002..However, although the amount of signal loss is reduced at the lower TE, this does not appear to be sufficient to recover the BOLD signal in regions affected by susceptibility artifacts (i.e., anterior temporal lobes)... - Improving visual perception through neurofeedbackFrank Scharnowski
Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, and UCL Institute of Cognitive Neuroscience, University College London, London WC1N 3AR, United Kingdom
J Neurosci 32:17830-41. 2012..Our new approach allows us to non-invasively and non-pharmacologically manipulate regionally specific brain activity and thus provide "brain training" to deliver particular perceptual enhancements... - Attentional load and sensory competition in human vision: modulation of fMRI responses by load at fixation during task-irrelevant stimulation in the peripheral visual fieldSophie Schwartz
Laboratory for Neurology and Imaging of Cognition, Department of Neurosciences, University of Geneva, Switzerland
Cereb Cortex 15:770-86. 2005..These distinct mechanisms in selective visual processing may be integrated within posterior parietal areas, rather than earlier occipital cortex... - The neural structures expressing perceptual hysteresis in visual letter recognitionAndreas Kleinschmidt
Department of Neurology, Johann Wolfgang Goethe University, Theodor Stern Kai 7, D 60590 Frankfurt M, Germany
Neuron 34:659-66. 2002..These findings identify a set of brain regions sensitive to visual awareness and suggest that medial temporal structures may provide backward signals that account for neural and, thereby, perceptual hysteresis...