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Hello Freesurfer support team,

I am trying to create accurate white/pial surfaces, however, due to signal drop-out, Freesurfer is consistently underestimating the pial surface -- a problem which I am only able to fix using control points. Unfortunately, while adding cps does push the pial surface outward, it creates inaccurate/biased white surfaces which would skew thickness estimates (etc.).

As such, I would like to use the white surface generated using the command *recon-all -autorecon2 -subjid <subjid> -mprage -hires* (created before cp incorporation) and the pial surface generated using the command *recon-all -autorecon2-cp -subjid <subjid> -mprage -hires* (created after cp incorporation) to run the last step of recon-all autorecon3.

Which files should I copy over? So far I have tried copying the files noted below from the pre-cp directory into the post-cp directory and tried running autorecon3 with no success.

Thanks in advance.

********************************************************************************************************************************************** TRIAL #1: *Copied these files from pre-cp directory to post-cp directory:* ?h.white.preaparc ?h.white.preaparc.H ?h.white.preaparc.K

*Got this error message:* #@# Jacobian white lh Thu Jul 18 17:49:33 EDT 2019 /home/smithe16/freesurfer/subjects/April_29_2019_0100_combined/scripts

mris_jacobian ../surf/lh.white.preaparc ../surf/lh.sphere.reg ../surf/lh.jacobian_white

reading surface from ../surf/lh.white.preaparc... mrisReadTriangleFile(../surf/lh.sphere.reg): surface doesn't match ../surf/lh.white.preaparc

No such file or directory mrisReadTriangleFile failed.

No such file or directory mris_jacobian: could not read target surface ../surf/lh.sphere.reg No such file or directory Linux cynthia 4.4.0-145-generic #171-Ubuntu SMP Tue Mar 26 12:43:40 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

recon-all -s April_29_2019_0100_combined exited with ERRORS at Thu Jul 18 17:49:35 EDT 2019 ********************************************************************************************************************************************** TRIAL #2: *Copied these files from pre-cp directory to post-cp directory:* ?h.white.preaparc ?h.white.preaparc.H ?h.white.preaparc.K

?h.inflated ?h.inflated.H ?h.inflated.K

?h.smoothwm ?h.sphere

*Got this error message:* 1 Reading lh.sulc MRISreadNewCurvature: incompatible vertex number in file ../surf/lh.sulc No such file or directory MRISregister: could not read curvature file 'lh.sulc'

No such file or directory Linux cynthia 4.4.0-145-generic #171-Ubuntu SMP Tue Mar 26 12:43:40 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

recon-all -s April_29_2019_0100_combined_2 exited with ERRORS at Fri Jul 19 12:43:09 EDT 2019