Olivier Colliot

Summary

Country: France

Publications

  1. doi Discrimination between Alzheimer disease, mild cognitive impairment, and normal aging by using automated segmentation of the hippocampus
    Olivier Colliot
    Cognitive Neuroscience and Brain Imaging Laboratory, Centre National de la Recherche Scientifique, UPR640 LENA, Universite Pierre et Marie Curie Paris 6, Hopital de la Pitie Salpetriere, Paris, France
    Radiology 248:194-201. 2008
  2. pmc Multidimensional classification of hippocampal shape features discriminates Alzheimer's disease and mild cognitive impairment from normal aging
    Emilie Gerardin
    UPMC Universite Paris 06, UMR 7225, UMR_S 975, Centre de Recherche de l Institut Cerveau Moelle CRICM, Paris, France
    Neuroimage 47:1476-86. 2009
  3. doi Is hippocampal volume a good marker to differentiate Alzheimer's disease from frontotemporal dementia?
    Leonardo Cruz de Souza
    CRicm, UPMC Univ Paris 06, INSERM, UMR S 678, Paris, France
    J Alzheimers Dis 36:57-66. 2013
  4. doi Support vector machine-based classification of Alzheimer's disease from whole-brain anatomical MRI
    Benoît Magnin
    UMR S 678, INSERM, Paris, France
    Neuroradiology 51:73-83. 2009
  5. doi Can voxel based morphometry, manual segmentation and automated segmentation equally detect hippocampal volume differences in acute depression?
    Loretxu Bergouignan
    CNRS UMR, Emotion Center, Department of Psychiatry, Groupe Hospitalier Pitie Salpetriere, Paris, France
    Neuroimage 45:29-37. 2009
  6. doi Diffeomorphic brain registration under exhaustive sulcal constraints
    Guillaume Auzias
    Universite Pierre et Marie Curie Paris 6, Centre de Recherche de l Institut du Cerveau et de la MoelleÉpinière, UMR S975 Paris, France
    IEEE Trans Med Imaging 30:1214-27. 2011
  7. ncbi Spatially regularized SVM for the detection of brain areas associated with stroke outcome
    Rémi Cuingnet
    Universite Pierre et Marie Curie Paris 6, CNRS UMR 7225, INSERM UMR_S 975, Centre de Recherche de l Institut Cerveau Moelle CRICM, Paris, France
    Med Image Comput Comput Assist Interv 13:316-23. 2010
  8. pmc Fully automatic hippocampus segmentation and classification in Alzheimer's disease and mild cognitive impairment applied on data from ADNI
    Marie Chupin
    Universite Pierre et Marie Curie PARIS6, CNRS, UMR S7225, Paris, France
    Hippocampus 19:579-87. 2009
  9. doi Automatic classification of patients with Alzheimer's disease from structural MRI: a comparison of ten methods using the ADNI database
    Rémi Cuingnet
    UPMC Universite Paris 6, UMR 7225, UMR_S 975, Centre de Recherche de l Institut du Cerveau et de la Moelle épinière CRICM, Paris, France
    Neuroimage 56:766-81. 2011
  10. doi The amnestic syndrome of hippocampal type in Alzheimer's disease: an MRI study
    Marie Sarazin
    CRICM UPMC Inserm UMR 975 Pitié Salpêtrière Hospital, Paris, France
    J Alzheimers Dis 22:285-94. 2010

Detail Information

Publications30

  1. doi Discrimination between Alzheimer disease, mild cognitive impairment, and normal aging by using automated segmentation of the hippocampus
    Olivier Colliot
    Cognitive Neuroscience and Brain Imaging Laboratory, Centre National de la Recherche Scientifique, UPR640 LENA, Universite Pierre et Marie Curie Paris 6, Hopital de la Pitie Salpetriere, Paris, France
    Radiology 248:194-201. 2008
    ....
  2. pmc Multidimensional classification of hippocampal shape features discriminates Alzheimer's disease and mild cognitive impairment from normal aging
    Emilie Gerardin
    UPMC Universite Paris 06, UMR 7225, UMR_S 975, Centre de Recherche de l Institut Cerveau Moelle CRICM, Paris, France
    Neuroimage 47:1476-86. 2009
    ..This new method may become a useful tool to assist in the diagnosis of Alzheimer's disease...
  3. doi Is hippocampal volume a good marker to differentiate Alzheimer's disease from frontotemporal dementia?
    Leonardo Cruz de Souza
    CRicm, UPMC Univ Paris 06, INSERM, UMR S 678, Paris, France
    J Alzheimers Dis 36:57-66. 2013
    ..However, these studies did not include patients selected according to clinico-biological criteria, using pathophysiological biomarkers...
  4. doi Support vector machine-based classification of Alzheimer's disease from whole-brain anatomical MRI
    Benoît Magnin
    UMR S 678, INSERM, Paris, France
    Neuroradiology 51:73-83. 2009
    ....
  5. doi Can voxel based morphometry, manual segmentation and automated segmentation equally detect hippocampal volume differences in acute depression?
    Loretxu Bergouignan
    CNRS UMR, Emotion Center, Department of Psychiatry, Groupe Hospitalier Pitie Salpetriere, Paris, France
    Neuroimage 45:29-37. 2009
    ..Few studies used automated methods such as voxel-based morphometry (VBM) or automated segmentation that can overcome certain drawbacks of manual segmentation (essentially intra- and inter-rater variability and operator time consumption)...
  6. doi Diffeomorphic brain registration under exhaustive sulcal constraints
    Guillaume Auzias
    Universite Pierre et Marie Curie Paris 6, Centre de Recherche de l Institut du Cerveau et de la MoelleÉpinière, UMR S975 Paris, France
    IEEE Trans Med Imaging 30:1214-27. 2011
    ..Finally, we illustrate how the optimized alignment of cortical folds across subjects improves sensitivity in the detection of functional activations in a group-level analysis of neuroimaging data...
  7. ncbi Spatially regularized SVM for the detection of brain areas associated with stroke outcome
    Rémi Cuingnet
    Universite Pierre et Marie Curie Paris 6, CNRS UMR 7225, INSERM UMR_S 975, Centre de Recherche de l Institut Cerveau Moelle CRICM, Paris, France
    Med Image Comput Comput Assist Interv 13:316-23. 2010
    ..The proposed method showed that poor motor outcome is associated to changes in the corticospinal bundle and white matter tracts originating from the premotor cortex. Standard mass univariate analyses failed to detect any difference...
  8. pmc Fully automatic hippocampus segmentation and classification in Alzheimer's disease and mild cognitive impairment applied on data from ADNI
    Marie Chupin
    Universite Pierre et Marie Curie PARIS6, CNRS, UMR S7225, Paris, France
    Hippocampus 19:579-87. 2009
    ..The classification proved accurate: 76% of the patients with AD and 71% of the MCI converting to AD before 18 months were correctly classified with respect to the elderly controls, using only hippocampal volume...
  9. doi Automatic classification of patients with Alzheimer's disease from structural MRI: a comparison of ten methods using the ADNI database
    Rémi Cuingnet
    UPMC Universite Paris 6, UMR 7225, UMR_S 975, Centre de Recherche de l Institut du Cerveau et de la Moelle épinière CRICM, Paris, France
    Neuroimage 56:766-81. 2011
    ..DARTEL significantly improved six out of 20 classification experiments and led to lower results in only two cases. Overall, the use of feature selection did not improve the performance but substantially increased the computation times...
  10. doi The amnestic syndrome of hippocampal type in Alzheimer's disease: an MRI study
    Marie Sarazin
    CRICM UPMC Inserm UMR 975 Pitié Salpêtrière Hospital, Paris, France
    J Alzheimers Dis 22:285-94. 2010
    ..In AD, the FCSRT may be considered as a useful clinical marker of memory disorders due to medial temporal damage, specially the CA1 field of the hippocampus...
  11. doi Sulcal morphology as a new imaging marker for the diagnosis of early onset Alzheimer's disease
    Lorraine Hamelin
    Department of Neurology of Memory and Language, Universite Paris Descartes, Sorbonne Paris Cité, INSERM UMR S894, Centre Hospitalier Sainte Anne, Paris, France Institut du Cerveau et de la Moëlle épinière, ICM, Paris, France Electronic address
    Neurobiol Aging 36:2932-9. 2015
    ..In contrast, in older patients, the risk of over-diagnosis from using only sulcal enlargement is important. ..
  12. doi A Bayesian framework for joint morphometry of surface and curve meshes in multi-object complexes
    Pietro Gori
    Aramis project team, INRIA, Paris, France Sorbonne Universits, UPMC Univ Paris 06, UM 75, ICM, F 75013 Paris, France INSERM, U1127, ICM, F 75013 Paris, France CNRS, UMR 7225, ICM, F 75013 Paris, France Institut du Cerveau et de la Moëlle épinière, Paris, France Electronic address
    Med Image Anal 35:458-474. 2017
    ..We compare their morphological characteristics and variations using a single diffeomorphism in the ambient space. The proposed method will be integrated with the Deformetrica software package, publicly available at www.deformetrica.org...
  13. doi Distinct patterns of antiamyloid-β antibodies in typical and atypical Alzheimer disease
    Guillaume Dorothee
    INSERM, UMRS938, St Antoine Hospital, Paris, France
    Arch Neurol 69:1181-5. 2012
    ..To compare serum antiamyloid-β (Aβ) antibodies in typical and atypical Alzheimer disease (AD)...
  14. doi CSF tau markers are correlated with hippocampal volume in Alzheimer's disease
    Leonardo C de Souza
    Universite Pierre et Marie Curie Paris 6, Centre de Recherche de l Institut du Cerveau et de Moelle épinière, UMR S975, Paris, France
    Neurobiol Aging 33:1253-7. 2012
    ..The CSF tau and P-tau levels, but not the CSF Aβ(42) level, correlated with HV, suggesting that CSF tau markers reflect the neuronal loss associated with the physiopathological process of AD...
  15. ncbi Bayesian atlas estimation for the variability analysis of shape complexes
    Pietro Gori
    CNRS UMR 7225, Inserm UMR S975, UPMC, CRicm, Paris, France
    Med Image Comput Comput Assist Interv 16:267-74. 2013
    ..Second, the covariance matrix of the deformation parameters is estimated during the atlas construction in a way which is less sensitive to the outliers of the population...
  16. ncbi DISCO: a coherent diffeomorphic framework for brain registration under exhaustive sulcal constraints
    Guillaume Auzias
    Universite Pierre et Marie Curie Paris 6, UMR 7225, UMRS 975, Centre de Recherche de l Institut Cerveau Moelle CRICM, Paris, France
    Med Image Comput Comput Assist Interv 12:730-8. 2009
    ..DISCO was evaluated through a group of 20 individual brains. Quantitative and qualitative indices attest how this approach may improve both alignment of sulcal folds and overlay of gray and white matter volumes at the group level...
  17. pmc White matter lesions in FTLD: distinct phenotypes characterize GRN and C9ORF72 mutations
    Fatima Ameur
    Service de Neuroradiologie Diagnostique et Fonctionnelle F A, O C, S S, D D, A Bertrand, Département de génétique et cytogénétique, Unité Fonctionnelle de Génétique Clinique A Brice, Centre de Référence des Démences Rares C A, B D, I L B, and Département de Neurologie O C, C A, B D, I L B, AP HP Hôpital de la Pitié Salpêtrière, Paris, France INSERM O C, P C, D D, A Brice, B D, I L B, A Bertrand, ICM, Paris, France Sorbonne Université O C, P C, D D, A Brice, B D, I L B, A Bertrand, UPMC Univ Paris
    Neurol Genet 2:e47. 2016
    ..2,3) Here we compared the characteristics of frontal WM lesions in patients with behavioral variant of FTLD (bv-FTLD) caused by GRN and C9ORF72 mutations. ..
  18. doi Early and protective microglial activation in Alzheimer's disease: a prospective study using 18F-DPA-714 PET imaging
    Lorraine Hamelin
    Unit of Memory and Language, Universite Paris Descartes, Sorbonne Paris Cité, Centre de psychiatrie et Neurosciences, INSERM UMR S894, Centre Hospitalier Sainte Anne, Paris, France UNIACT, Neurospin, Institut d Imagerie Biomédicale, Direction des Sciences du Vivant, Commissariat à I Energie Atomique, Gif sur Yvette, France Laboratoire Imagerie Moléculaire In Vivo IMIV, CEA, INSERM, Univ Paris Sud, CNRS, Université Paris Saclay, CEA SHFJ, 91400 Orsay, France
    Brain 139:1252-64. 2016
    ..The extent of microglial activation appears to differ between patients, and could explain the overlap in translocator protein binding values between patients with Alzheimer's disease and amyloidosis controls...
  19. doi Distinct structural changes underpin clinical phenotypes in patients with Gilles de la Tourette syndrome
    Yulia Worbe
    Centre d Investigation Clinique INSERM CIC 9503, Fédération des Maladies du Système Nerveux, Groupe Hospitalier Pitie Salpetriere, AssistancePublique Hôpitaux de Paris, Paris, France
    Brain 133:3649-60. 2010
    ....
  20. doi Tissue at risk in the deep middle cerebral artery territory is critical to stroke outcome
    Charlotte Rosso
    AP HP, Urgences Cérébro Vasculaires, Pitie Salpetriere Hospital, Paris, France
    Neuroradiology 53:763-71. 2011
    ..However, the efficacy could also be explained by the protection of specific sites of the brain. Here, we investigate where is this outcome-related tissue at risk using voxel-based analysis...
  21. doi The clinical and anatomical heterogeneity of environmental dependency phenomena
    Julien Lagarde
    AP HP, Department of Neurology, Groupe Hospitalier Pitie Salpetriere, Paris, France
    J Neurol 260:2262-70. 2013
    ..Within this large network, grasping and imitation behaviors can be dissociated from both neuropsychological and anatomical standpoints, underlining the clinical and anatomical heterogeneity of environmental dependency phenomena...
  22. pmc Contrast-based fully automatic segmentation of white matter hyperintensities: method and validation
    Thomas Samaille
    Universite Pierre et Marie Curie Paris 6, Centre de Recherche de l Institut du Cerveau et de la Moelle Epiniere, UMR S975, Paris, France
    PLoS ONE 7:e48953. 2012
    ..87-0.91 for kNN; 0.89-0.94 for SVM. Mean SI: 0.63-0.71 for kNN, 0.67-0.72 for SVM), and did not need any training set...
  23. doi Robust imaging of hippocampal inner structure at 7T: in vivo acquisition protocol and methodological choices
    Linda Marrakchi-Kacem
    UPMC Univ Paris 06, UMR S 1127, ICM, Sorbonne Universités, 75013, Paris, France
    MAGMA 29:475-89. 2016
    ..Motion-robust multi-slab imaging of hippocampal inner structure in vivo at 7T...
  24. pmc Lateral Temporal Lobe: An Early Imaging Marker of the Presymptomatic GRN Disease?
    Paola Caroppo
    Sorbonne Universités, UPMC Universite Paris 06, UMR S 1127, ICM, Paris, France
    J Alzheimers Dis 47:751-9. 2015
    ..Finally, our study demonstrates that structural and metabolic changes could represent possible biomarkers to monitor the progression of disease in the presymptomatic stage toward clinical onset. ..
  25. ncbi Explicit incorporation of prior anatomical information into a nonrigid registration of thoracic and abdominal CT and 18-FDG whole-body emission PET images
    Oscar Camara
    TSI Department, Ecole Nationale Superieure des Telecommunications, CNRS UMR 5141, Paris, France
    IEEE Trans Med Imaging 26:164-78. 2007
    ..We have applied the proposed methodology to 38 sets of images (33 provided by standalone machines and five by hybrid systems) and an assessment protocol has been developed to furnish a qualitative evaluation of the algorithm performance...
  26. doi Donepezil decreases annual rate of hippocampal atrophy in suspected prodromal Alzheimer's disease
    Bruno Dubois
    institut de la mémoire et de la maladie d Alzheimer IM2A, Departement de Neurologie, Hopital de la Pitie Salpetriere, AP HP, Paris, France INSERM, CNRS, UMR S975, Institut du Cerveau et de la Moëlle épinière ICM, Paris, France Sorbonne Universités, Universite Pierre et Marie Curie Paris 6, Paris, France Electronic address
    Alzheimers Dement 11:1041-9. 2015
    ..The purpose of this study was to study the effect of donepezil on the rate of hippocampal atrophy in prodromal Alzheimer's disease (AD)...
  27. doi Extensive white matter involvement in patients with frontotemporal lobar degeneration: think progranulin
    Paola Caroppo
    Institut du Cerveau et de la Moëlle épinière ICM, Institut National de la Sante et de la Recherche Medicale INSERM, U 1127, Paris, France2University Pierre and Marie Curie, UMR S975, F 75013, Paris, France3Centre national de la recherche scientifique
    JAMA Neurol 71:1562-6. 2014
    ..We describe 4 GRN mutation carriers with remarkable widespread white matter lesions (WML) associated with lobar atrophy shown on magnetic resonance imaging...
  28. ncbi On the ternary spatial relation "between"
    Isabelle Bloch
    McConnell Brain Imaging Center, MNI, McGill University, Montreal, QC H3A2B4, Canada
    IEEE Trans Syst Man Cybern B Cybern 36:312-27. 2006
    ..Moreover, the definitions capture the intrinsic imprecision attached to this relation. The main proposed definitions are illustrated on real data from medical images...
  29. ncbi Fully automatic segmentation of the hippocampus and the amygdala from MRI using hybrid prior knowledge
    Marie Chupin
    Department of Clinical and Experimental Epilepsy, ION, UCL, London, UK
    Med Image Comput Comput Assist Interv 10:875-82. 2007
    ..001) for Hc and from 81% to 84% (p < 0.002) for Am, with equivalent improvements in volume error...
  30. ncbi In vivo profiling of focal cortical dysplasia on high-resolution MRI with computational models
    Olivier Colliot
    Department of Neurology and Neurosurgery and McConnell Brain Imaging Center, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
    Epilepsia 47:134-42. 2006
    ..Our purpose was to investigate the pattern of occurrence of abnormal MRI characteristics in FCD by using a set of computational models and to generate quantitative lesion profiling...