Research Topics
| Julien Cohen-AdadSummaryAffiliation: Harvard University Country: USA Publications
| Collaborators
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Detail Information
Publications
T₂* mapping and B₀ orientation-dependence at 7 T reveal cyto- and myeloarchitecture organization of the human cortexJ Cohen-Adad
A A Martinos Center for Biomedical Imaging, Dept of Radiology, Massachusetts General Hospital, Charlestown, MA 02129, USA
Neuroimage 60:1006-14. 2012....
Demyelination and degeneration in the injured human spinal cord detected with diffusion and magnetization transfer MRIJ Cohen-Adad
UMR 678, Inserm UPMC, Pitie Salpetriere Hospital, Paris, France
Neuroimage 55:1024-33. 2011..Combining HARDI with MT imaging is a promising approach to gain specificity in characterizing spinal cord pathways in traumatic injury...- Quality assessment of high angular resolution diffusion imaging data using bootstrap on Q-ball reconstructionJulien Cohen-Adad
Athinoula A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA
J Magn Reson Imaging 33:1194-208. 2011..To develop a bootstrap method to assess the quality of High Angular Resolution Diffusion Imaging (HARDI) data using Q-Ball imaging (QBI) reconstruction... - BOLD signal responses to controlled hypercapnia in human spinal cordJ Cohen-Adad
Unité de Neuroimagerie Fonctionnelle, Centre de Recherche, Institut Universitaire de Geriatrie de Montreal, Department of Physiology, Universite de Montreal, Montreal, Canada
Neuroimage 50:1074-84. 2010..Finely, we believe that the use of controlled global stimuli, such as hypercapnia, will help assess the effectiveness of new acquisition techniques... - 32-channel RF coil optimized for brain and cervical spinal cord at 3 TJ Cohen-Adad
AA Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts 02129, USA
Magn Reson Med 66:1198-208. 2011..7-mm isotropic resolution were feasible without noticeable distortion. Improvements of this nature potentially enhance numerous basic and clinical research studies focused on spinal and supraspinal regions... - Wallerian degeneration after spinal cord lesions in cats detected with diffusion tensor imagingJ Cohen-Adad
GRSNC, Department of Physiology, Faculty of Medicine, Universite de Montreal, Montreal, QC, Canada
Neuroimage 57:1068-76. 2011..This decrease was specific to the type of fibers, i.e., rostrally to the lesion on the dorsal aspect of the cord and caudally to the lesion ipsilaterally, suggesting the detection of Wallerian degeneration... 
32-Channel RF coil optimized for brain and cervical spinal cord at 3 TJ Cohen-Adad
A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA
Magn Reson Med 66:spcone. 2011..No distortion correction was applied. From the article by Cohen-Adad et al (pp 1199-1209)...- Impact of outliers on diffusion tensor and Q-ball imaging: clinical implications and correction strategiesMichael A Sharman
UMR S975, CRICM INSERM UPMC, Paris, Ile de France, France
J Magn Reson Imaging 33:1491-502. 2011..To propose a robust method for the correction of outliers, applicable to diffusion tensor imaging (DTI) and q-ball imaging (QBI)... - Involvement of spinal sensory pathway in ALS and specificity of cord atrophy to lower motor neuron degenerationJulien Cohen-Adad
UMR 678, Inserm UPMC, Groupe Hospitalier Pitie Salpetriere, Paris, France
Amyotroph Lateral Scler Frontotemporal Degener 14:30-8. 2013..Our data also demonstrate an association between muscle deficits and local spinal cord atrophy, suggesting that atrophy is a sensitive biomarker for lower motor neurons degeneration... - Characterization of cardiac-related noise in fMRI of the cervical spinal cordMathieu Piché
Department of Physiology, Universite de Montreal, Montreal, QC, Canada
Magn Reson Imaging 27:300-10. 2009..e. aliasing the cardiac frequency). However, the reliable spatiotemporal distribution of cardiac noise across scanning runs and within subjects may provide a valid means to identify and extract cardiac noise based on sICA methods... - 7-T MRI of the spinal cord can detect lateral corticospinal tract abnormality in amyotrophic lateral sclerosisJulien Cohen-Adad
A A Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, Massachusetts, USA Harvard Medical School, Boston, Massachusetts, USA Department of Electrical Engineering, Ecole Polytechnique de Montreal, Montreal, Quebec, Canada
Muscle Nerve 47:760-2. 2013..Conclusion: We believe there are potential benefits of 7-T MRI for increased sensitivity and spatial accuracy in characterizing pathology in the spinal cord. Muscle Nerve 47: 760-762, 2013... - Accelerated diffusion spectrum imaging with compressed sensing using adaptive dictionariesBerkin Bilgic
Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Magn Reson Med 68:1747-54. 2012..Further, we demonstrate that a dictionary trained using probability density functions from a single slice of a particular subject generalizes well to other slices from the same subject, as well as to slices from other subjects... - Characterization of the hemodynamic response in the rat lumbar spinal cord using intrinsic optical imaging and laser speckleNicolas Brieu
Département de génie électrique, Ecole Polytechnique de Montreal, Montreal, QC, Canada
J Neurosci Methods 191:151-7. 2010..Responses were significantly higher when stimulation intensity was increased. Vascular changes extended several millimetres from the epicenter, supporting the venous drainage observed in functional magnetic resonance imaging studies... - Investigations on spinal cord fMRI of cats under ketamineJ Cohen-Adad
GRSNC, Faculty of Medicine, Universite de Montreal, Montreal, QC, Canada
Neuroimage 44:328-39. 2009.... - In vivo DTI of the healthy and injured cat spinal cord at high spatial and angular resolutionJ Cohen-Adad
Groupe de Recherche sur le Système Nerveux Central, Department of Physiology, Faculty of Medicine, Universite de Montreal, Montreal, QC, Canada
Neuroimage 40:685-97. 2008..Important outcomes of this work are (i) tractography-based localisation of anatomical tracts in the thoraco-lumbar spinal cord and (ii) in vivo assessment of axonal integrity following experimental spinal cord injury... - Impact of realignment on spinal functional MRI time seriesJ Cohen-Adad
Groupe de Recherche sur le Système Nerveux Central, Department of Physiology, Faculty of Medicine, Universite de Montreal, Montreal, QC, Canada
Conf Proc IEEE Eng Med Biol Soc 2007:2126-9. 2007..This has a direct and positive impact on functional imaging when estimating the T-score by means of the general linear model... - Methodology for MR diffusion tensor imaging of the cat spinal cordJ Cohen-Adad
Groupe de Recherche sur le Système Nerveux Central, Department of Physiology, Faculty of Medicine, Université de Montréal UdeM, Montreal, QC, Canada
Conf Proc IEEE Eng Med Biol Soc 2007:323-6. 2007..1 mm(3) and (iv) determination of axonal disruption, in two cats with complete spinal cord transection, using tractography... - Activation detection in diffuse optical imaging by means of the general linear modelJ Cohen-Adad
Groupe de Recherche sur le Système Nerveux Central, Department of Physiology, Faculty of Medicine, Universite de Montreal, Montreal, Quebec, Canada
Med Image Anal 11:616-29. 2007..Results on real data show the capability of the shift method to retrieve HbR and HbO(2) peak locations... - Detection of multiple pathways in the spinal cord using q-ball imagingJ Cohen-Adad
INSERM U678, Universite Pierre et Marie Curie Paris VI, CHU Pitie Salpetriere, Paris, France
Neuroimage 42:739-49. 2008..It is a first step towards in vivo characterization of the healthy and injured human spinal cord using high angular resolution diffusion imaging and QBI...