Dartmouth DTI Scan Parameters

Data Structure

Data structure consists of 504 DICOM images that have been anonymized. Also included with each subjects data set are four Analyze Volume images that represent examples of processed data. Note that the FA and Lattice Index image volumes have been scaled by 1000, and the Trace Diffusion image has been scaled by 100000.

Scan Parameters

Acquisition Plane:axial

Slice Thickness:3 mm (No Skip)

Number of Slices:36

TR:8000 ms

TE:minimum

FOV:24 cm

NEX:4

Scan Matrix:128 x 128

Image Matrix:256 x 256

Number of Diffusion Directions:12

Diffusion Weighting (b-value):800 s/mm2

Total Number of Images:504 (14 Images Per Slice)

Acquisition Time:7 min 28 sec