Journal ArticleDOI
Fiber tract-based atlas of human white matter anatomy.
TLDR
Two- and three-dimensional white matter atlases were created on the basis of high-spatial-resolution diffusion tensor magnetic resonance (MR) imaging and 3D tract reconstruction and showed which anatomic structures can be identified on diffusion Tensor images and where these anatomic units are located at each section level and orientation.Abstract:
Two- and three-dimensional (3D) white matter atlases were created on the basis of high-spatial-resolution diffusion tensor magnetic resonance (MR) imaging and 3D tract reconstruction. The 3D trajectories of 17 prominent white matter tracts could be reconstructed and depicted. Tracts were superimposed on coregistered anatomic MR images to parcel the white matter. These parcellation maps were then compared with coregistered diffusion tensor imaging color maps to assign visible structures. The results showed (a) which anatomic structures can be identified on diffusion tensor images and (b) where these anatomic units are located at each section level and orientation. The atlas may prove useful for educational and clinical purposes. © RSNA, 2003read more
Citations
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Exploring the brain network: A review on resting-state fMRI functional connectivity
TL;DR: The use of spontaneous resting-state fMRI in determining functional connectivity, how functional connections tend to be related to structural connections in the brain network and how functional brain communication may form a key role in cognitive performance are discussed.
Journal ArticleDOI
Diffusion Tensor Imaging of the Brain
TL;DR: Diffusion tensor imaging (DTI) is a promising method for characterizing microstructural changes or differences with neuropathology and treatment and the biological mechanisms, acquisition, and analysis of DTI measurements are addressed.
Journal ArticleDOI
Resting-State Functional Connectivity Reflects Structural Connectivity in the Default Mode Network
TL;DR: The results demonstrate that resting-state functional connectivity reflects structural connectivity and that combining modalities can enrich the understanding of these canonical brain networks.
Journal ArticleDOI
The role of the posterior cingulate cortex in cognition and disease.
Robert Leech,David J. Sharp +1 more
TL;DR: A novel model of the posterior cingulate cortex's function is synthesized into a model that influences attentional focus by 'tuning' whole-brain metastability and so adjusts how stable brain network activity is over time, and is tested within the framework of complex dynamic systems theory.
Journal ArticleDOI
Reproducibility of Quantitative Tractography Methods Applied to Cerebral White Matter
Setsu Wakana,Arvind Caprihan,Martina M. Panzenboeck,James H. Fallon,Michele E. Perry,Randy L. Gollub,Kegang Hua,Jiangyang Zhang,Hangyi Jiang,Hangyi Jiang,Prachi Dubey,Ari M. Blitz,Peter C.M. van Zijl,Peter C.M. van Zijl,Susumu Mori,Susumu Mori +15 more
TL;DR: This protocol provides guidelines for reproducible DTI-based tract-specific quantification for reconstructing major white matter tracts based on diffusion tensor imaging.
References
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PatentDOI
SENSE: Sensitivity Encoding for fast MRI
TL;DR: The problem of image reconstruction from sensitivity encoded data is formulated in a general fashion and solved for arbitrary coil configurations and k‐space sampling patterns and special attention is given to the currently most practical case, namely, sampling a common Cartesian grid with reduced density.
Journal ArticleDOI
MR diffusion tensor spectroscopy and imaging.
TL;DR: Once Deff is estimated from a series of NMR pulsed-gradient, spin-echo experiments, a tissue's three orthotropic axes can be determined and the effective diffusivities along these orthotropic directions are the eigenvalues of Deff.
Journal ArticleDOI
The basis of anisotropic water diffusion in the nervous system – a technical review
TL;DR: The purpose of this review is to characterize the relationship of nuclear magnetic resonance measurements of water diffusion and its anisotropy (i.e. directional dependence) with the underlying microstructure of neural fibres.
Journal ArticleDOI
Three-dimensional tracking of axonal projections in the brain by magnetic resonance imaging.
TL;DR: It is shown that neuronal pathways in the rat brain can be probed in situ using high‐resolution three‐dimensional diffusion magnetic resonance imaging and a newly designed tracking approach.
Journal ArticleDOI
In vivo fiber tractography using DT-MRI data
TL;DR: Fiber tract trajectories in coherently organized brain white matter pathways were computed from in vivo diffusion tensor magnetic resonance imaging (DT‐MRI) data, and the method holds promise for elucidating architectural features in other fibrous tissues and ordered media.