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	Tract-Based Spatial Statistics	拡散 커토시스 イメージング (Diffusion Kurtosis Imaging, DKI)
分野	神経画像学	神経画像学
系統	Process / pipeline	Process / pipeline
提唱年	2006	2005
提唱者	Stephen M. Smith	Jens Jensen
種類	Diffusion MRI white matter analysis pipeline	Microstructural white matter analysis
原典	Smith, S. M., Jenkinson, M., Johansen-Berg, H., et al. (2006). Tract-based spatial statistics: voxelwise analysis of multi-subject diffusion data. NeuroImage, 31(4), 1487–1505.	Jensen, J. H., Helpern, J. A., Ramani, A., et al. (2005). Diffusional kurtosis imaging: the quantification of non-Gaussian water diffusion by magnetic resonance imaging. Magnetic Resonance in Medicine, 53(6), 1432–1440.
別名	TBSS, white matter skeleton analysis	DKI, non-Gaussian diffusion, diffusion kurtosis
関連	3	3
概要	Tract-Based Spatial Statistics (TBSS) is a voxel-wise analysis method for detecting group differences in white matter microstructure from diffusion MRI data. Published by Stephen M. Smith and colleagues in 2006, TBSS addresses registration and multiple comparison problems inherent in voxel-wise analysis by projecting individual FA maps onto a white matter skeleton derived from a population template.	Diffusion Kurtosis Imaging (DKI) is an advanced diffusion MRI technique that quantifies non-Gaussian diffusion of water molecules, providing detailed information about tissue microstructure beyond conventional diffusion tensor imaging. Introduced by Jensen and colleagues in 2005, DKI detects deviations from normal Gaussian diffusion, revealing information about cellular compartmentalization and fiber heterogeneity.