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Visualization tool: 3D Slicer
3D Slicer is a great visualization program that has a multitude of tools for analysis of medical images, like registration, segmentation, neurosurgical planning and fiber tracking.The program provides...
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DTI Processing - The Basics
Diffusion Tensor Images (DTI) is a cutting edge imaging technique that provides quantitative information with which to visualize and study connectivity of neural pathways. A growing number of studies...
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Reduced Structural Connectivity of a Major Frontolimbic Pathway in...
Check out our new study that just got published in Archives of General Psychiatry: "A new University of Wisconsin-Madison imaging study shows the brains of people with generalized anxiety disorder...
View ArticleVideo: Corpus Callosum in 3D
This movie shows a colorful 3D rendering of the white matter fiber tracts in the Corpus Callosum (CC), overlaid on a T1 image. Data from the Waisman Laboratory for Brain Imaging and Behavior at...
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DTI Processing - Voxel-based versus tract-based diffusion imaging
The development of diffusion magnetic resonance imaging (dMRI) enabled the research of white matter micro- and macro-structurein vivo. DMRI measures the magnitude and orientation of...
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DTI processing with Camino
UCL has recently added a very comprehensive step-by-step guide to tensor fitting with their Camino software.From their website:"This tutorial gives an introduction to standard diffusion tensor image...
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DTI Processing - Tractography tutorial
Fiber tractography is a very elegant method that can be used to delineate individual fiber tracts from diffusion images. This tutorial will help you in a step by step way trough the process. In the...
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DTI Scalars (FA, MD, AD, RD) - How do they relate to brain structure?
A key question that is often posed in this field is how neural microstructure relates to the different measures that are extracted from diffusion images (like FA, MD etc). The table below attempts to...
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Why Do We Acquire B0 Images in DTI Exams?
This post is in response to the following question that was received from one of our readers: "I acquired a DTI exam of a patient, which has an artifact that corrupted the B0 images but left the...
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Diffusion imaging discussion forum
After hosting this diffusion imaging blog for over 4 years I am receiving an increasing amount of questions in my inbox from users. I feel that some of the answers to these questions might benefit more...
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DTI Processing - Software Tools
When starting out in a new imaging field like diffusion tensor imaging it is easy to be overwhelmed by different processing steps and tools.A recent publication from frontiers in neuroscience tries to...
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Human Connectome Project
The 40 million dollar human connectome project exemplifies the relevance of studying structural and functional brain connectivity. The NIH awarded this money to a consortium of institutions to provide...
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Share your diffusion imaging news
Diffusion-imaging.com would like to know what is new and interesting in DTI research! You can share articles (e.g. your own) on our social...
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Guest post invitation
Would you like to write a post on a method, study or conference that is diffusion imaging related? Diffusion-imaging.com is now inviting guest writers to contribute to this website.You can find my...
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Diffusion MRI workshop: Videos now online
The videos and slides of the 2013 workshop on diffusion imaging in traumatic brain injury are now available online, with links to the suggested reading...
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DTI tutorial for FSL
Check out this website for a great tutorial of diffusion tensor imaging analysis using FSL. It will give you an overview of how to use the FDT Diffusion tool for diffusion imaging analysis, and how you...
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Fibernavigator: Interactive tractography visualization tool
Fibernavigator is an interactive diffusion imaging tractography visualization tool. That, as a bonus, is compatible with DTI data processed by FSL. You can download the open-source software for free...
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DTI Quality Control - Part 1: Acquisition
A major issue in DTI image analysis is quality control. Effective quality control for diffusion images relies both on pre tensor fitting (the diffusion weighted images; DWI), and post tensor fitting...
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DTI Quality Control - Part 2: Tensor fitting
After making sure your data was acquired correctly (see also this post) and all looked good - you can go ahead and start tensor fitting. At the core of tensor fitting is using the right gradient...
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DTI Quality Control - Part 3: Tools
Question:"We wish to know if there is a quality control program we could run the initial DTI data for each subject through to give us some sort of objective metric output about its quality." Deborah...
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