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I am interested in analyzing PET data following a longitudinal design. I have co-registered each PET image to the closest MRI in time processed through the longitudinal stream. I have sampled each co-registered PET image time-point onto fsaverage surface via the individual's subject surface (mri_vol2surf). >From this point: 1. Is it possible to obtain spc (symmetrized percent change) using long_mris_slopes for each subject? 2. Is there a way to input the sampled surfaces into a qdec file for long_mris_slopes command? 1) FreeSurfer version: freesurfer-linux-centos6_x86_64-7.2.0. 2) Platform: Ubuntu 18,04.6 LTS 3) uname -a: Linux ubuntu 5.4.0-122-generic-Ubuntu UTC 2022 x86_64 x86_64 x86_64 GNU/Linux Thank you! Jesus The information contained in this electronic e-mail transmission and any attachments are intended only for the use of the individual or entity to whom or to which it is addressed, and may contain information that is privileged, confidential and exempt from disclosure under applicable law. If the reader of this communication is not the intended recipient, or the employee or agent responsible for delivering this communication to the intended recipient, you are hereby notified that any dissemination, distribution, copying or disclosure of this communication and any attachment is strictly prohibited. If you have received this transmission in error, please notify the sender immediately by telephone and electronic mail, and delete the original communication and any attachment from any computer, server or other electronic recording or storage device or medium. Receipt by anyone other than the intended recipient is not a waiver of any attorney-client, physician-patient or other privilege.
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