J Ashburner

Summary

Affiliation: Imperial College School of Medicine
Country: UK

Publications

  1. ncbi request reprint Frontal, midbrain and striatal dopaminergic function in early and advanced Parkinson's disease A 3D [(18)F]dopa-PET study
    J S Rakshi
    MRC Cyclotron Unit, Hammersmith Hospital, The Wellcome Department of Cognitive Neurology, Institute of Neurology, London, UK
    Brain 122:1637-50. 1999
  2. pmc Statistical parametric mapping with 18F-dopa PET shows bilaterally reduced striatal and nigral dopaminergic function in early Parkinson's disease
    K Ito
    MRC Cyclotron Unit, Hammersmith Hospital, London, UK
    J Neurol Neurosurg Psychiatry 66:754-8. 1999
  3. ncbi request reprint Modeling geometric deformations in EPI time series
    J L Andersson
    The Wellcome Department of Cognitive Neurology, London, United Kingdom
    Neuroimage 13:903-19. 2001
  4. ncbi request reprint Why voxel-based morphometry should be used
    J Ashburner
    The Wellcome Department of Cognitive Neurology, Institute of Neurology, Queen Square, London WC1N 3BG, United Kingdom
    Neuroimage 14:1238-43. 2001
  5. ncbi request reprint A voxel-based morphometric study of ageing in 465 normal adult human brains
    C D Good
    Wellcome Department of Cognitive Neurology, Institute of Neurology, London, United Kingdom
    Neuroimage 14:21-36. 2001
  6. ncbi request reprint Nonlinear spatial normalization using basis functions
    J Ashburner
    Functional Imaging Laboratory, Wellcome Department of Cognitive Neurology, Institute of Neurology, London, United Kingdom
    Hum Brain Mapp 7:254-66. 1999
  7. ncbi request reprint Identifying global anatomical differences: deformation-based morphometry
    J Ashburner
    Wellcome Department of Cognitive Neurology, Institute of Neurology, London, UK
    Hum Brain Mapp 6:348-57. 1998
  8. ncbi request reprint A global estimator unbiased by local changes
    J L Andersson
    The Wellcome Department of Cognitive Neurology, London, United Kingdom
    Neuroimage 13:1193-206. 2001
  9. ncbi request reprint Image registration using a symmetric prior--in three dimensions
    J Ashburner
    The Wellcome Department of Cognitive Neurology, Institute of Neurology, London, United Kingdom
    Hum Brain Mapp 9:212-25. 2000
  10. ncbi request reprint Computational neuroanatomy: new perspectives for neuroradiology
    C D Good
    Wellcome Department of Cognitive Neurology, ION, UCL, London, UK
    Rev Neurol (Paris) 157:797-806. 2001

Detail Information

Publications15

  1. ncbi request reprint Frontal, midbrain and striatal dopaminergic function in early and advanced Parkinson's disease A 3D [(18)F]dopa-PET study
    J S Rakshi
    MRC Cyclotron Unit, Hammersmith Hospital, The Wellcome Department of Cognitive Neurology, Institute of Neurology, London, UK
    Brain 122:1637-50. 1999
    ..This suggests, therefore, that Parkinson's disease is a monoaminergic neurodegenerative disorder...
  2. pmc Statistical parametric mapping with 18F-dopa PET shows bilaterally reduced striatal and nigral dopaminergic function in early Parkinson's disease
    K Ito
    MRC Cyclotron Unit, Hammersmith Hospital, London, UK
    J Neurol Neurosurg Psychiatry 66:754-8. 1999
    ..To apply statistical parametric mapping to 18F-dopa PET data sets, to examine the regional distribution of changes in dopaminergic metabolism in early asymmetric Parkinson's disease...
  3. ncbi request reprint Modeling geometric deformations in EPI time series
    J L Andersson
    The Wellcome Department of Cognitive Neurology, London, United Kingdom
    Neuroimage 13:903-19. 2001
    ..An experiment on a subject performing voluntary movements in the scanner yielded plausible estimates of the deformation fields and their application to "unwarp" the time series significantly reduced movement-related variance...
  4. ncbi request reprint Why voxel-based morphometry should be used
    J Ashburner
    The Wellcome Department of Cognitive Neurology, Institute of Neurology, Queen Square, London WC1N 3BG, United Kingdom
    Neuroimage 14:1238-43. 2001
    ..We first review the tenets of VBM, paying particular attention to the relationship between VBM and tensor-based morphometry. The last two sections of this response deal with the specific concerns raised by Dr. Bookstein...
  5. ncbi request reprint A voxel-based morphometric study of ageing in 465 normal adult human brains
    C D Good
    Wellcome Department of Cognitive Neurology, Institute of Neurology, London, United Kingdom
    Neuroimage 14:21-36. 2001
    ..There was no interaction of age with sex for regionally specific effects. These results corroborate previous reports and indicate that VBM is a useful technique for studying structural brain correlates of ageing through life in humans...
  6. ncbi request reprint Nonlinear spatial normalization using basis functions
    J Ashburner
    Functional Imaging Laboratory, Wellcome Department of Cognitive Neurology, Institute of Neurology, London, United Kingdom
    Hum Brain Mapp 7:254-66. 1999
    ....
  7. ncbi request reprint Identifying global anatomical differences: deformation-based morphometry
    J Ashburner
    Wellcome Department of Cognitive Neurology, Institute of Neurology, London, UK
    Hum Brain Mapp 6:348-57. 1998
    ..To illustrate the method, we compared the gross morphometry of male and female subjects. We also assessed brain asymmetry, the effect of handedness, and interactions among these effects...
  8. ncbi request reprint A global estimator unbiased by local changes
    J L Andersson
    The Wellcome Department of Cognitive Neurology, London, United Kingdom
    Neuroimage 13:1193-206. 2001
    ..The advantage of the new estimator is that it is not informed of experimental design and relies only on general assumptions regarding the nature of the signal...
  9. ncbi request reprint Image registration using a symmetric prior--in three dimensions
    J Ashburner
    The Wellcome Department of Cognitive Neurology, Institute of Neurology, London, United Kingdom
    Hum Brain Mapp 9:212-25. 2000
    ..e., warping brain A to brain B should not be different probablistically from warping B to A). A gradient descent algorithm is presented for estimating the optimum deformations...
  10. ncbi request reprint Computational neuroanatomy: new perspectives for neuroradiology
    C D Good
    Wellcome Department of Cognitive Neurology, ION, UCL, London, UK
    Rev Neurol (Paris) 157:797-806. 2001
    ..This review will describe the methodology and clinical applications of these techniques...
  11. ncbi request reprint The role of the medial temporal lobe in autistic spectrum disorders
    C H Salmond
    Developmental Cognitive Neuroscience Unit, Institute of Child Health, University College London, London, UK
    Eur J Neurosci 22:764-72. 2005
    ..The structural imaging data highlight abnormalities in several brain regions previously implicated in ASD, including the medial temporal lobes...
  12. pmc Diffusion-based spatial priors for imaging
    L M Harrison
    The Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, 12 Queen Square, London, WC1N 3BG, UK
    Neuroimage 38:677-95. 2007
    ..Critically, this means adaptive smoothing becomes an integral part of estimation and inference. We illustrate the method using synthetic and real fMRI data...
  13. ncbi request reprint Learning arbitrary visuomotor associations: temporal dynamic of brain activity
    I Toni
    Wellcome Department of Cognitive Neurology, Institute of Neurology, 12 Queen Square, London, WC1N 3BG, United Kingdom
    Neuroimage 14:1048-57. 2001
    ..These findings suggest the inferior temporal and the ventral prefrontal cortex are critical neural nodes for integrating perceptual information with executive processes...
  14. ncbi request reprint Generative and recognition models for neuroanatomy
    K J Friston
    The Wellcome Department of Imaging Neuroscience, University of London, Institute of Neurology, London, UK WC1N 3BG
    Neuroimage 23:21-4. 2004
  15. ncbi request reprint Assessing study-specific regional variations in fMRI signal
    B Lipschutz
    The Wellcome Department of Cognitive Neurology, Institute of Neurology, Queen Square, London, WC1N 3BG, United Kingdom
    Neuroimage 13:392-8. 2001
    ..It requires only the functional data and can thus be applied post hoc and without any additional scans...