Diffusion: A Window in Fiber Architecture

Room 6E         10:30 - 12:30                 Chairs: Yoram Cohen and Felix W. Wehrli


Prog #

10:30 637.

AxCaliber a Method to Measure the Axon Diameter Distribution and Density in Neuronal Tissues

Yaniv Assaf1, 2, Tamar Blumenfeld1, Gome Levin1, Yossi Yovel1, Peter J. Basser3

1Tel Aviv University, Tel Aviv, Israel; 2Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; 3National Institutes of Health, Bethesda, Maryland, USA
10:42 638.

Structural Information of Different Nerve Types from High B-Value Q-Space Diffusion MRS

Amnon Bar-Shir1, Yoram Cohen1

1Tel-Aviv University, Tel-Aviv, Israel
10:54 639.

Comparison of MR Diffusion Anisotropy with Axon Density

Fatemeh Noushin Golabchi1, Dana H. Brooks1, William Scott Hoge2, Hatsuho Mamata2, Stephan E. Maier2

1Northeastern University, Boston, Massachusetts, USA; 2Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA
11:06 640.

Q-Space Propagator Maps of Mouse Spinal Cord Provide Insight Into Regional Axonal Architecture

Henry H. Ong1, Alex C. Wright1, Suzanne L. Wehrli2, Andre Souza1, Eric D. Schwartz1, Punam K. Saha1,

Felix W. Wehrli1

1Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania, USA; 2Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA
11:18 641.

How Accurately Can the Diffusion Profiles Predict Multiple Fiber Orientations? - A Study on General Fiber Crossings in

Diffusion MRI

Wang Zhan1, Yihong Yang1

1National Institute on Drug Abuse, NIH, Baltimore, Maryland, USA
11:30 642.

Accuracy Assessment of Q-Ball Imaging with Phantom Models

Kuan-Hung Cho1, Chun-Hung Yeh2, Yi-Ping Chao1, Jyh-Horng Chen1, Ching-Po Lin2

1Dept. of Electrical Engineering, National Taiwan University, Taipei, Taiwan; 2National Yang-Ming University, Taipei, Taiwan
11:42 643.

Optimal Encoding Points for Diffusion Spectrum Imaging: Using Bi-Gaussian Extrapolation

Chun-Hung Yeh1, Kuan-Hung Cho2, Yi-Chia Li1, Hsuan-Cheng Lin1, Ching-Po Lin3

1Institute of Radiological Sciences, National Yang-Ming University, Taipei, Taiwan; 2Interdisciplinary MRI/MRS Lab, Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan; 3Institute of Neuroscience, National Yang-Ming University, Taipei, Taiwan
11:54 644.

Optimal Imaging Parameters for Minimum Angular Discrimination in Diffusion Spectrum Imaging

Yi-Chia Li1, Kuan-Hung Cho2, Kun-Hsien Chou3, Ching-Po Lin4

1Institute of Radiological Sciences, National Yang Ming University, Taipei, Taiwan; 2Institute of Electrical Engineering, National Taiwan University, Taipei, Taiwan; 3Institute of Biomedical Engineering, National Yang Ming University, Taipei, Taiwan; 4Institute of Neuroscience, National Yang Ming University, Taipei, Taiwan
11:06 645.

Improved Characterisation of Crossing Fibres: Spherical Deconvolution Combined with Tikhonov Regularization

J-Donald Tournier1, Fernando Calamante1, Alan Connelly1

1Brain Research Institute, Melbourne, Australia
11:18 646.

Quantitative Comparison Between Hybrid Diffusion Imaging and Diffusion Spectrum Imaging

Yu-Chien Wu1, Andrew L. Alexander1

1University of Wisconsin-Madison, Madison, Wisconsin, USA