[Freesurfer] qdec question

2017-12-30 Thread Giovanni de Marco
Hello, I’ve got a question concerning qdec running with freesurfer. I just downloaded the latest version of freesurfer. Before to run qdec, I read than I have to run "recon-all -s ID -all" (about 7 hours) and then recon-all -s ID -qcache (about 5'). So I tried it with one subject and everything i

[Freesurfer] skull strip / pial issues on many scans

2017-12-30 Thread Michelle VanTieghem
Hi Douglas, I am not sure why my previous message (posted Dec 22) did not get posted. I have reported many problems with the skull stripping and resulting issues in freesurfer. To summarize: 1. For our structural scans, we have significant pial matter/dura matter remaining for > 50% of subjects

[Freesurfer] Scan sequences and parameters in hippocampus segmentation.

2017-12-30 Thread Qin weiting
Dear FreeSurfer experts, I'm sorry that English is not my mother language. I have met some trouble in choosing the scan sequences and parameters of data collecting in hippocampus segmentation, I have read the MORPHOMETRY PROTOCOLS on FreeSurfer Wiki, but our lab only has GE Discovery MR 750W i