Hi All,

Is the following T1 sequence suitable for surface generation?

"T1-weighted 3D SPGR (echo time 5 minimum; repetition time = 24 msec; flip 
angle 
= 30; field of view = 24 centimeters; slice thickness = 3 millimeters) 
collected 
in the axial plane."

It's that 3 mm slice thickness that most concerns me. The sequence was not 
initially intended for surface reconstruction, but I've run a few volumes 
through recon-all and they've turned out better than I had expected. We're 
primarily using the output for automated ROI generation, but I'm wondering if 
the cortical thickness and volume estimations from such an acquisition are 
suitable for further analysis (i.e., group comparisons, correlations).

-SS



      
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