Dear all-

Today I tried mkbrainmask-sess (first time), and got the error message shown below:

+++++++++++++++++++++++++++++++++

zion:/nfs/home/jliu/VM/myProc> mkbrainmask-sess -sf sessid_S001 -df sesspar -funcstem fmcss

------------------------------------------------

------------------------------------------------

/nfs/home/jliu/VM/S001

Mon Sep 20 21:20:40 CST 2004

--------------------------------------------------

/nfs/home/jliu/VM/S001/bold

mkbrainmask -i 004/fmcss -o masks/brain -thresh 0.1 -umask 2

--------------------------------------------------

Scratch Dir is /tmp/mkbrainmask_23685

# ---------- Converting bvolume to .img ------------------ #

mri_convert 004/fmcss_000.bshort /tmp/mkbrainmask_23685/fmcss.img

reading from 004/fmcss_000.bshort...

INFO: bvolumeRead: min = 25, max = 1325

TR=0.00, TE=0.00, TI=0.00, flip angle=0.00

i_ras = (-1, 0, 0)

j_ras = (0, -0.995227, 0.0975827)

k_ras = (-0, 0.097583, 0.995227)

writing to /tmp/mkbrainmask_23685/fmcss.img...

Analyze Output Matrix

-1.406 0.000 -0.000 94.016;

0.000 -1.400 0.195 101.727;

0.000 0.137 1.990 -42.636;

0.000 0.000 0.000 1.000;

--------------------

INFO: set hdr.hist.orient to 3

# ---------- Using FSL's BET to Extract Brain------------------ #

This program has not been compiled for this data type

/nfs/home/jliu/VM/S001/bold

bet /tmp/mkbrainmask_23685/fmcss /tmp/mkbrainmask_23685/brain -m -f 0.1

ERROR: bet failed

ERROR: mkbrainmask failed

Exit 1

+++++++++++++++++++++++++++++end+++++++++++++++++++++++++

The input data (fmcss) were motion-corrected, spatial-smoothed, and intensity-normalized using fsfast (the newest version released). Could anyone tell me how to fix this problem? Thanks for your help!

jia