Details
on MP-RAGE
MP-RAGE (Magnetization
Prepared RApid Gradient Echo) is a rapid
gradient-echo technique in which a preparation pulse (or pulses) is applied
before the acquisition sequence to enhance contrast. [John P. Mugler III and James R. Brookeman,
“Three-Dimensional Magnetization-Prepared Rapid Gradient-Echo Imaging (3D MP
RAGE)”, Magnetic Resonance in Medicine 15, pp. 152--157 (1990)]
In our sequence a single
inversion pulse is followed by a 400 ms delay time. As a result our MP-RAGE images
are T1-weighted. The excitation pulse
has a 10 degree flip angle, TE is 4 ms, and TR is 10 ms. The resolution is 128 x 256 x 256. The
corresponding dimensions are approximately 160 mm by 250 mm by 250 mm. (The precise voxel dimensions for each volume
are, as always, included in the corresponding header.ascii
file). There is one acquisition. Total acquisition time is 8 minutes and 55
seconds.
