John Ashburner

Summary

Affiliation: University College London
Country: UK

Publications

  1. pmc SPM: a history
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, 12 Queen Square, London WC1N 3BG, UK
    Neuroimage 62:791-800. 2012
  2. doi request reprint Computing average shaped tissue probability templates
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 45:333-41. 2009
  3. doi request reprint Computational anatomy with the SPM software
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, London, UK
    Magn Reson Imaging 27:1163-74. 2009
  4. ncbi request reprint Unified segmentation
    John Ashburner
    Wellcome Department of Imaging Neuroscience, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 26:839-51. 2005
  5. pmc Diffeomorphic registration using geodesic shooting and Gauss-Newton optimisation
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, London, UK
    Neuroimage 55:954-67. 2011
  6. pmc Automatic classification of MR scans in Alzheimer's disease
    Stefan Kloppel
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, UK
    Brain 131:681-9. 2008
  7. doi request reprint Evidence for segregated and integrative connectivity patterns in the human Basal Ganglia
    Bogdan Draganski
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, London WC1N 3BG, United Kingdom
    J Neurosci 28:7143-52. 2008
  8. ncbi request reprint Bayesian decoding of brain images
    Karl Friston
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, 12 Queen Square, London WC1N 3BG, UK
    Neuroimage 39:181-205. 2008
  9. pmc A comparison between voxel-based cortical thickness and voxel-based morphometry in normal aging
    Chloe 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
  10. pmc Voxel-based cortical thickness measurements in MRI
    Chloe Hutton
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, London, UK
    Neuroimage 40:1701-10. 2008

Detail Information

Publications33

  1. pmc SPM: a history
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, 12 Queen Square, London WC1N 3BG, UK
    Neuroimage 62:791-800. 2012
    ..Karl Friston began the SPM project around 1991. The rest is history...
  2. doi request reprint Computing average shaped tissue probability templates
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 45:333-41. 2009
    ..g. grey and white matter) are registered simultaneously with the current template estimate. In order to generalise the resulting template to a broader range of subjects, a template blurriness prior is included within the model...
  3. doi request reprint Computational anatomy with the SPM software
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, London, UK
    Magn Reson Imaging 27:1163-74. 2009
    ..In contrast, the overall form of the brain may be more accurately modeled using multivariate approaches. Such models of anatomical variability may prove accurate enough for computer assisted diagnoses...
  4. ncbi request reprint Unified segmentation
    John Ashburner
    Wellcome Department of Imaging Neuroscience, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 26:839-51. 2005
    ..A strategy for optimising the model parameters is described, along with the requisite partial derivatives of the objective function...
  5. pmc Diffeomorphic registration using geodesic shooting and Gauss-Newton optimisation
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, London, UK
    Neuroimage 55:954-67. 2011
    ..The algorithm was evaluated using freely available manually labelled datasets, and found to compare favourably with other inter-subject registration algorithms evaluated using the same data...
  6. pmc Automatic classification of MR scans in Alzheimer's disease
    Stefan Kloppel
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, London, UK
    Brain 131:681-9. 2008
    ..Thirdly, the method is robust and can be generalized across different centres. This suggests an important role for computer based diagnostic image analysis for clinical practice...
  7. doi request reprint Evidence for segregated and integrative connectivity patterns in the human Basal Ganglia
    Bogdan Draganski
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, London WC1N 3BG, United Kingdom
    J Neurosci 28:7143-52. 2008
    ..We believe that this method can be used to examine pathophysiological concepts in a number of basal ganglia-related disorders...
  8. ncbi request reprint Bayesian decoding of brain images
    Karl Friston
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, 12 Queen Square, London WC1N 3BG, UK
    Neuroimage 39:181-205. 2008
    ..We illustrate MVB using simulated and real data, with a special focus on model comparison; where models can differ in the form of the mapping (i.e., neuronal representation) within one region, or in the (combination of) regions per se...
  9. pmc A comparison between voxel-based cortical thickness and voxel-based morphometry in normal aging
    Chloe 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...
  10. pmc Voxel-based cortical thickness measurements in MRI
    Chloe 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...
  11. pmc 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...
  12. pmc Interpreting scan data acquired from multiple scanners: a study with Alzheimer's disease
    Cynthia M Stonnington
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, UCL, London, UK
    Neuroimage 39:1180-5. 2008
    ..Similar analyses in other multi-scanner data-sets could be used to justify the pooling of data when needed, such as in studies of rare disorders or in multi-center designs...
  13. pmc Kernel regression for fMRI pattern prediction
    Carlton Chu
    Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, London, UK
    Neuroimage 56:662-73. 2011
    ..Although the original work was aimed at the PBAIC, many techniques described in this paper can be generally applied to any fMRI decoding works to increase the prediction accuracy...
  14. ncbi request reprint A fast diffeomorphic image registration algorithm
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, 12 Queen Square, London, UK
    Neuroimage 38:95-113. 2007
    ....
  15. pmc Spatial normalization of lesioned brains: performance evaluation and impact on fMRI analyses
    Jenny Crinion
    Wellcome Trust Centre for Neuroimaging, UCL, 12 Queen Square, London WC1N 3BG, UK
    Neuroimage 37:866-75. 2007
    ..This has important implications for users of both structural and functional imaging techniques in the study of patients with structural brain damage...
  16. ncbi request reprint Early visual deprivation induces structural plasticity in gray and white matter
    Uta Noppeney
    Functional Imaging Laboratory, Wellcome Department of Imaging Neuroscience, University College London, UK
    Curr Biol 15:R488-90. 2005
  17. ncbi request reprint Computer-assisted imaging to assess brain structure in healthy and diseased brains
    John Ashburner
    The Wellcome Department of Imaging Neuroscience, Institute of Neurology, London, UK
    Lancet Neurol 2:79-88. 2003
    ....
  18. pmc Confirmation of functional zones within the human subthalamic nucleus: patterns of connectivity and sub-parcellation using diffusion weighted imaging
    Christian Lambert
    Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, London, UK
    Neuroimage 60:83-94. 2012
    ....
  19. ncbi request reprint Changes in cerebral morphology consequent to peripheral autonomic denervation
    Hugo D Critchley
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, UCL, 12 Queen Square, London WC1N 3BG, UK
    Neuroimage 18:908-16. 2003
    ....
  20. pmc Normal variation in fronto-occipital circuitry and cerebellar structure with an autism-associated polymorphism of CNTNAP2
    Geoffrey C Y Tan
    Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, UK
    Neuroimage 53:1030-42. 2010
    ..The finding suggests the possibility that the heterogeneous manifestations of ASD can be aetiologically characterised into distinct subtypes through genetic-morphological analysis...
  21. ncbi request reprint Dosage-sensitive X-linked locus influences the development of amygdala and orbitofrontal cortex, and fear recognition in humans
    Catriona D Good
    Wellcome Department of Imaging Neuroscience, Institute of Neurology, Institute of Child Health, London, UK
    Brain 126:2431-46. 2003
    ..We show that the thrombocytic activity of MAOB is proportionate to the number of X-chromosomes, and hypothesize that haploinsufficiency of this enzyme in 45,X females predisposes to their deficits in social cognition...
  22. ncbi request reprint Neurolinguistics: structural plasticity in the bilingual brain
    Andrea Mechelli
    Wellcome Department of Imaging Neuroscience, 12 Queen Square, London WC1N 3BG, UK
    Nature 431:757. 2004
    ..This relation between grey-matter density and performance may represent a general principle of brain organization...
  23. pmc MRI investigation of the sensorimotor cortex and the corticospinal tract after acute spinal cord injury: a prospective longitudinal study
    Patrick Freund
    Spinal Cord Injury Center Balgrist, University Hospital Zurich, University of Zurich, Zurich, Switzerland Department of Brain Repair and Rehabilitation, UCL Institute of Neurology, University College London, London, UK Wellcome Trust Centre for Neuroimaging, UCL Institute of Neurology, University College London, London, UK Electronic address
    Lancet Neurol 12:873-81. 2013
    ..We aimed to use MRI to assess neuronal degeneration above the level of the lesion after acute spinal cord injury...
  24. pmc Prognostic and diagnostic potential of the structural neuroanatomy of depression
    Sergi G Costafreda
    Institute of Psychiatry, King s College London, London, UK
    PLoS ONE 4:e6353. 2009
    ..In the present study, we examined the prognostic and diagnostic potential of the structural neural correlates of depression...
  25. pmc Multivariate models of inter-subject anatomical variability
    John Ashburner
    Wellcome Trust Centre for Neuroimaging, London, UK
    Neuroimage 56:422-39. 2011
    ..Knowledge of some basic linear algebra and probability theory should make the review easier to follow, although it may still have something to offer to those readers whose mathematics may be more limited...
  26. ncbi request reprint Automatic differentiation of anatomical patterns in the human brain: validation with studies of degenerative dementias
    Catriona D Good
    Wellcome Department of Cognitive Neurology, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, United Kingdom
    Neuroimage 17:29-46. 2002
    ....
  27. ncbi request reprint Variational free energy and the Laplace approximation
    Karl Friston
    The Wellcome Department of Imaging Neuroscience, Institute of Neurology, UCL, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 34:220-34. 2007
    ..Finally, we also consider, briefly, dynamic models and how these inform the regularisation of free energy ascent schemes, like EM and ReML...
  28. doi request reprint Dynamic positron emission tomography data-driven analysis using sparse Bayesian learning
    Jyh Ying Peng
    Institute of Statistical Science, Academia Sinica, Taipei 11529, Taiwan
    IEEE Trans Med Imaging 27:1356-69. 2008
    ..In addition, the Bayesian approach returns the posterior distribution which allows for some characterisation of the error component. The method is applied to the estimation of parametric images of neuroreceptor radioligand studies...
  29. ncbi request reprint Modeling regional and psychophysiologic interactions in fMRI: the importance of hemodynamic deconvolution
    Darren R Gitelman
    The Northwestern Cognitive Brain Mapping Group, Cognitive Neurology and Alzheimer s Disease Center, Northwestern University, Feinberg School of Medicine, Chicago, IL 60611, USA
    Neuroimage 19:200-7. 2003
    ..In this article, this assumption is revisited using estimates of underlying neuronal activity. These estimates use a parametric empirical Bayes formulation for hemodynamic deconvolution...
  30. ncbi request reprint How to correct susceptibility distortions in spin-echo echo-planar images: application to diffusion tensor imaging
    Jesper L R Andersson
    Karolinska MR Research Centre, Stockholm, Sweden
    Neuroimage 20:870-88. 2003
    ..The resulting DT maps exhibit considerably higher geometric fidelity, as assessed by comparison to an image volume acquired using a conventional 3D MR technique...
  31. ncbi request reprint Image distortion correction in fMRI: A quantitative evaluation
    Chloe 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...
  32. pmc fMRI activity patterns in human LOC carry information about object exemplars within category
    Evelyn Eger
    University College London, UK
    J Cogn Neurosci 20:356-70. 2008
    ..We propose that pattern recognition methods as used here may provide an alternative approach to study mechanisms of neuronal representation based on aspects of the fMRI response independent of those assessed in adaptation paradigms...
  33. pmc A tensor based morphometry study of longitudinal gray matter contraction in FTD
    Simona M Brambati
    Memory and Aging Center, UCSF Department of Neurology, 350 Parnassus Ave, Suite 706, San Francisco, CA 94143, USA
    Neuroimage 35:998-1003. 2007
    ..These results suggest that TBM might be useful in tracking progression of regional atrophy in FTD...