Dti shows abnormal frontal white matter in parkinsons disease. In the files downloaded in 2012, the time stamps for white matter label map and label lookup file but not structural images or readme file have. We downloaded the atlas again on august 28, 2012 and refer to this version as the 2012 icbm dti 81. The effect of white matter hyperintensities on statistical analysis of. There are two whitematter atlases, both kindly provided by dr. Structural abnormalities across multiple white matter tracts are recognized in people. Incorrect icbmdti81 atlas orientation and white matter. Icbmdti81 white matter labels and john hopkins university white matter tractography atlases in fsl.
Hopkins university icbmdti81 white matter labels and johns. Following tensorbased registration, in dtitk a mean fa map was. The icbm dti 81 atlas is a stereotaxic probabilistic white matter atlas that fuses dtibased white matter information with an anatomical template icbm152. The diffusion data was kindly provided by the icbm dti workgroup. Hopkins university white matter tractography atlases and a. This atlas is based on probabilistic tensor maps obtained from 81 normal subjects acquired under an initiative of the international consortium of brain mapping icbm.
The icbm dti81 atlas is a stereotaxic probabilistic white matter atlas that fuses dtibased white matter information with an anatomical template icbm152. White matter hyperintensities wmh are common in cognitively healthy elderly. In the icbmdti81 whitematter labels atlas, 48 white matter tract labels were created by hand segmentation of a standardspace average of. Susumu mori, laboratory of brain anatomical mri, johns hopkins university. In the icbm dti 81 whitematter labels atlas, 48 white matter tract labels were created by hand segmentation of a standardspace average of diffusion mri tensor maps from 81 subjects. Incorrect icbmdti81 atlas orientation and white matter labels. Incorrect icbm dti 81 atlas orientation and white matter labels.
The corpus callosum mask contained binary masks from subregions, i. Deficits in neurite density underlie white matter structure. In the icbm dti 81 whitematter labels atlas, 50 white matter tract labels were created by hand segmentation of a standardspace average of diffusion mri tensor maps from 81 subjects. P493 white matter and longtract lesions play a marginal role in determining cortical atrophy d seppi1, s miante1, v poretto1, d poggiali1, f rinaldi1, p perini1, p gallo1 1university of padova, department of neuroscience snpsrr, padova, italy.
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