Patric Hagmann

Summary

Country: Switzerland

Publications

  1. pmc Mapping the structural core of human cerebral cortex
    Patric Hagmann
    Department of Radiology, University Hospital Center and University of Lausanne CHUV, Lausanne, Switzerland
    PLoS Biol 6:e159. 2008
  2. ncbi request reprint DTI mapping of human brain connectivity: statistical fibre tracking and virtual dissection
    P Hagmann
    Signal Processing Institute, Swiss Federal Institute of Technology, 1015 Lausanne, Switzerland
    Neuroimage 19:545-54. 2003
  3. ncbi request reprint Mapping complex tissue architecture with diffusion spectrum magnetic resonance imaging
    Van J Wedeen
    Department of Radiology, MGH Martinos Center for Biomedical Imaging, Harvard Medical School, Charlestown, Massachusetts 02129, USA
    Magn Reson Med 54:1377-86. 2005
  4. ncbi request reprint Understanding diffusion MR imaging techniques: from scalar diffusion-weighted imaging to diffusion tensor imaging and beyond
    Patric Hagmann
    Department of Radiology, Lausanne University Hospital, Rue du Bugnon, 46, CH 1011 Lausanne, Switzerland
    Radiographics 26:S205-23. 2006
  5. ncbi request reprint Hand preference and sex shape the architecture of language networks
    Patric Hagmann
    Signal Processing Institute, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    Hum Brain Mapp 27:828-35. 2006
  6. pmc White matter maturation reshapes structural connectivity in the late developing human brain
    P Hagmann
    Department of Radiology, University Hospital Center and University of Lausanne, 1011 Lausanne, Switzerland
    Proc Natl Acad Sci U S A 107:19067-72. 2010
  7. doi request reprint MR connectomics: Principles and challenges
    Patric Hagmann
    Department of Radiology, University Hospital Center and University of Lausanne CHUV UNIL, Switzerland Signal Processing Laboratory LTS5, Ecole Polytechnique Federale de Lausanne EPFL, Switzerland
    J Neurosci Methods 194:34-45. 2010
  8. pmc Mapping human whole-brain structural networks with diffusion MRI
    Patric Hagmann
    Department of Radiology, Centre Hospitalier Universitaire Vaudois CHUV and University of Lausanne, Lausanne, Switzerland Signal Processing Institute, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
    PLoS ONE 2:e597. 2007
  9. ncbi request reprint Fibertract segmentation in position orientation space from high angular resolution diffusion MRI
    Patric Hagmann
    Department of Radiology, Lausanne University Hospital CHUV, Switzerland
    Neuroimage 32:665-75. 2006
  10. ncbi request reprint Representing diffusion MRI in 5-D simplifies regularization and segmentation of white matter tracts
    Lisa Jonasson
    Signal Processing Institute ITS, Ecole Polytechnique Federale de Lausanne EPFL, CH 1015 Lausanne, Switzerland
    IEEE Trans Med Imaging 26:1547-54. 2007

Detail Information

Publications23

  1. pmc Mapping the structural core of human cerebral cortex
    Patric Hagmann
    Department of Radiology, University Hospital Center and University of Lausanne CHUV, Lausanne, Switzerland
    PLoS Biol 6:e159. 2008
    ..The spatial and topological centrality of the core within cortex suggests an important role in functional integration...
  2. ncbi request reprint DTI mapping of human brain connectivity: statistical fibre tracking and virtual dissection
    P Hagmann
    Signal Processing Institute, Swiss Federal Institute of Technology, 1015 Lausanne, Switzerland
    Neuroimage 19:545-54. 2003
    ..The results were then displayed in the form of an in vivo brain connectivity atlas. The connectivity pattern and the individual fibre tracts were then compared to known anatomical data; a good matching was found...
  3. ncbi request reprint Mapping complex tissue architecture with diffusion spectrum magnetic resonance imaging
    Van J Wedeen
    Department of Radiology, MGH Martinos Center for Biomedical Imaging, Harvard Medical School, Charlestown, Massachusetts 02129, USA
    Magn Reson Med 54:1377-86. 2005
    ..Finally, the relation between the presented model-free imaging technique and other available diffusion MRI schemes is discussed...
  4. ncbi request reprint Understanding diffusion MR imaging techniques: from scalar diffusion-weighted imaging to diffusion tensor imaging and beyond
    Patric Hagmann
    Department of Radiology, Lausanne University Hospital, Rue du Bugnon, 46, CH 1011 Lausanne, Switzerland
    Radiographics 26:S205-23. 2006
    ..Knowledge of the technique-specific requirements with regard to hardware and acquisition time, as well as the advantages, limitations, and potential interpretation pitfalls of each technique, is especially useful...
  5. ncbi request reprint Hand preference and sex shape the architecture of language networks
    Patric Hagmann
    Signal Processing Institute, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    Hum Brain Mapp 27:828-35. 2006
    ..Women and left-handed men have equally strong intrahemispheric connections in both hemispheres, but women have a higher density of interhemispheric connections...
  6. pmc White matter maturation reshapes structural connectivity in the late developing human brain
    P Hagmann
    Department of Radiology, University Hospital Center and University of Lausanne, 1011 Lausanne, Switzerland
    Proc Natl Acad Sci U S A 107:19067-72. 2010
    ....
  7. doi request reprint MR connectomics: Principles and challenges
    Patric Hagmann
    Department of Radiology, University Hospital Center and University of Lausanne CHUV UNIL, Switzerland Signal Processing Laboratory LTS5, Ecole Polytechnique Federale de Lausanne EPFL, Switzerland
    J Neurosci Methods 194:34-45. 2010
    ..This new framework is well suited to investigate key questions on brain complexity and we try to foresee what fields will most benefit from these approaches...
  8. pmc Mapping human whole-brain structural networks with diffusion MRI
    Patric Hagmann
    Department of Radiology, Centre Hospitalier Universitaire Vaudois CHUV and University of Lausanne, Lausanne, Switzerland Signal Processing Institute, Ecole Polytechnique Federale de Lausanne EPFL, Lausanne, Switzerland
    PLoS ONE 2:e597. 2007
    ..For two human subjects we find that their individual brain networks have an exponential node degree distribution and that their global organization is in the form of a small world...
  9. ncbi request reprint Fibertract segmentation in position orientation space from high angular resolution diffusion MRI
    Patric Hagmann
    Department of Radiology, Lausanne University Hospital CHUV, Switzerland
    Neuroimage 32:665-75. 2006
    ..Potential advantages and drawbacks as compared to classical tractography are discussed; for example, it appears that our formulation handles naturally crossing tracts and is not biased by human intervention...
  10. ncbi request reprint Representing diffusion MRI in 5-D simplifies regularization and segmentation of white matter tracts
    Lisa Jonasson
    Signal Processing Institute ITS, Ecole Polytechnique Federale de Lausanne EPFL, CH 1015 Lausanne, Switzerland
    IEEE Trans Med Imaging 26:1547-54. 2007
    ..These results will lead us to the conclusion that this new high-dimensional representation indeed simplifies the problem of segmentation and regularization...
  11. pmc The connectome mapper: an open-source processing pipeline to map connectomes with MRI
    Alessandro Daducci
    Signal Processing Laboratory, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 7:e48121. 2012
    ..Our pipeline is written in Python and is freely available as open-source at www.cmtk.org...
  12. ncbi request reprint White matter fiber tract segmentation in DT-MRI using geometric flows
    Lisa Jonasson
    Signal Processing Institute ITS, Swiss Federal Institute of Technology, EPFL, CH 1015 Lausanne, Switzerland
    Med Image Anal 9:223-36. 2005
    ..This segmentation can be used for obtaining quantitative measures of the diffusion in the fiber tracts and it can also be used for white matter registration and for surgical planning...
  13. pmc Estimating the confidence level of white matter connections obtained with MRI tractography
    Xavier Gigandet
    Signal Processing Laboratory, LTS5, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 3:e4006. 2008
    ....
  14. doi request reprint Mapping the human connectome at multiple scales with diffusion spectrum MRI
    Leila Cammoun
    Signal Processing Laboratory LTS5, Ecole Polytechnique Federale de Lausanne, Switzerland
    J Neurosci Methods 203:386-97. 2012
    ..Extensive validation tests are performed to assess the reproducibility of the method in a group of 5 healthy subjects and its reliability is as well considerably discussed in a group of 20 healthy subjects...
  15. pmc Dependence of brain intravoxel incoherent motion perfusion parameters on the cardiac cycle
    Christian Federau
    Centre Hospitalier Universitaire Vaudois CHUV and University of Lausanne, Lausanne, Switzerland
    PLoS ONE 8:e72856. 2013
    ..The results non-invasively demonstrate the pulsatility of the brain's microvasculature. ..
  16. doi request reprint Comparing connectomes across subjects and populations at different scales
    Djalel Eddine Meskaldji
    Signal Processing Laboratory LTS5, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    Neuroimage 80:416-25. 2013
    ..We highlight as well the possible factors that could influence the statistical results and the questions that have to be addressed in such an analysis. ..
  17. pmc A connectome-based comparison of diffusion MRI schemes
    Xavier Gigandet
    Signal Processing Laboratories LTS5, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 8:e75061. 2013
    ....
  18. doi request reprint High b-value diffusion-weighted imaging: a sensitive method to reveal white matter differences in schizophrenia
    Philipp Sebastian Baumann
    Department of Psychiatry, University Hospital Center and University of Lausanne, Lausanne, Switzerland
    Psychiatry Res 201:144-51. 2012
    ..Even though the acquisition protocols are not strictly comparable, we noticed important differences in sensitivities in the favor of high b-value imaging, warranting further exploration...
  19. doi request reprint Measuring brain perfusion with intravoxel incoherent motion (IVIM): initial clinical experience
    Christian Federau
    University Hospital Center and University of Lausanne CHUV UNIL, Switzerland
    J Magn Reson Imaging 39:624-32. 2014
    ..To evaluate the feasibility of intravoxel incoherent motion (IVIM) perfusion measurements in the brain with currently available imaging systems...
  20. doi request reprint Structural connectomics in brain diseases
    Alessandra Griffa
    Signal Processing Laboratory LTS5, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    Neuroimage 80:515-26. 2013
    ....
  21. doi request reprint Quantitative measurement of brain perfusion with intravoxel incoherent motion MR imaging
    Christian Federau
    Department of Diagnostic and Interventional Radiology, CHUV, University Hospital Center and University of Lausanne, Rue du Bugnon 46, 1011 Lausanne, Switzerland
    Radiology 265:874-81. 2012
    ..To evaluate the sensitivity of the perfusion parameters derived from Intravoxel Incoherent Motion (IVIM) MR imaging to hypercapnia-induced vasodilatation and hyperoxygenation-induced vasoconstriction in the human brain...
  22. pmc Adaptive strategy for the statistical analysis of connectomes
    Djalel Eddine Meskaldji
    Signal Processing Laboratory, LTS5, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland
    PLoS ONE 6:e23009. 2011
    ..As an application example, we compare structural brain connection matrices of two groups of subjects with a 22q11.2 deletion syndrome, distinguished by their IQ scores...
  23. ncbi request reprint Representing diffusion MRI in 5D for segmentation of white matter tracts with a level set method
    Lisa Jonasson
    Signal Processing Institute ITS, Swiss Federal Institute of Technology EPFL, CH 1015 Lausanne, Switzerland
    Inf Process Med Imaging 19:311-20. 2005
    ..Finally, we will show results from a synthetic model and a few preliminary results on real data of a human brain acquired by high angular resolution diffusion MRI...