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Introduction to DTI Workshop

DTI Workshop given at University of Michigan, August 2nd, 2018 Part 1: Lecture 0:00 Introduction 12:46 Overview of Diffusion Weighted Imaging 17:14 History of diffusion 23:07 Creating the diffusion image (diffusion gradients, bvals, and b0 images) 41:11 DTI terms (eigenvectors, eigenvalues, color coding diffusion directions, and fitting the tensor) 50:54 Drawbacks of DTI Part 2: Practical 59:59 Overview of the practical 1:03:30 Sources of noise in diffusion data and overview of QA 1:11:06 Using the command line 1:20:12 Viewing the data with fsleyes 1:25:50 bval and bvec files 1:30:02 Overview of the DTI preprocessing and QA script 1:38:50 Running the script 1:43:12 Looking at the denoised data 1:46:10 Checking the number of fixed slices 1:49:29 Checking the skullstripping 1:54:00 Overview of the TBSS script 1:56:04 Checking the normalization of the FA maps 1:59:25 Overview of the statistical model script 2:03:15 Looking at the statistical overlays 2:05:36 Using the atlas tool and running ROI analyses Part 3: Appendices 2:13:57 Appendix A: Using MRIcroGL for DICOM conversion 2:17:29 Appendix B: Viewing the tensors