Hi,Thank you for your useful advice.
1. I checked data registrations and definitely found that E05 and N06 are
wrong. So I discarded this two subjects (E05 and N06 ),rewrite the design
matrix file, and rerun concat_bvars command and first_utils command. But the
same error still existed. I don't know why??
2. So when checked the data segmentations, I found that subcortex structure
of some subjects only right hemisphere was labeled, the left hemiesphere was
not. Only E07 and N04 's bilateral hemisphere were labeled. I don't know
which one is right? how to solve this problem?
3. I assume that bilateral hemisphere labeled subjects were right. So I use
E07 and N04 data, do one copy of E07 and N04 and rename them as rE07 and
rN04. So the sujects are E07,rE07,N04 and rN04 and do the Vertex Analysis
(rewrite the design matrix file, and rerun concat_bvars command and first_utils
command). To our disappointment, the same error still existed! We don't know
how to use the FIRST tool?
Pls help me. Thanks a lot!
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