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Hello,
I sent the message below a couple of weeks ago but I haven't seen it posted in my freesurfer digest emails. I am wondering if I need to do something different? It's the first time I submit something.
Thanks,
Juan
From: Gallego Angel, Juan Sent: Tuesday, June 8, 2021 4:58 PM To: freesurfer@nmr.mgh.harvard.edu Subject: eTIV and FSGD file
Hi,
I am running my first ever FS analysis and just have a couple of questions. I am looking for cortical thickness predictors of response to treatment. I am at the point of running the mri_glmfit command. I'd like to control for the effects of sex, age and eTIV. I already created the contrast and the FSGD files. In the FSGD file I included four classes (male responder, male non-responder, female responder, female non-responder) and added age as a variable and I guess I'd need to add eTIV as well as a variable, and that data could be obtained from the aseg.stats file, right? Let me know if I am missing anything here.
Many thanks,
Juan
Juan A. Gallego, MD, MS Assistant Professor of Psychiatry Zucker School of Medicine at Hofstra/Northwell Assistant Professor The Feinstein Institute for Medical Research Director, Early Phase Schizophrenia Biomarker Laboratory The Zucker Hillside Hospital 75-59 263rd street Glen Oaks, NY 11004 Tel: (718) 470-4588 Email: jgallego@northwell.edumailto:jgallego@northwell.edu
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