Hi, freesurfer experts: I am a newer to study freesurfer. I have completed recon-all for individual analysis. Next I want to study group analysis. I noticed there is a "qdec" folder under "group_analysis_tutorial", I go into "qdec" folder and check the content of qdec.table.dat with cat command. I saw five columns data as followings:
fsid gender age Left-Hippocampus Right-Hippocampus 140 Female 18 * 4214 4190* 049 Male 19 4543 4153 141 Female 20 3896 3741 084 Male 21 4804 4722 021 Male 22 4021 3969 093 Female 22 3603 3597 080 Male 23 3722 4645 ... My question is where does the data of "Left-Hippocampus" "Right-Hippocampus" come from? I checked the individual data from 140, 049, 141.... I entered into /group_analysis_tutorial/140/stats/ and check the content of "*aseg.stats" *using cat aseg.stats, and I noticed tha Left-Hippocampus is *3851,* Right-Hippocampus is *4026*. all the data from other individuals aren't equal the data of Left-H and Right-H in qdec.table.dat. I am not sure what is the reason? Or could you please tell me where does the data of "Left-H or Right-H" come from? Thank you. Cheers. Yanmei
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