Hi,

I have been running recon1 recently and I have noticed that for some of my participants big chunks are missing in the brainmask.mgz. Out of 20 participants, five participants have this problem. The pattern is similar across participants: the missing parts start around slice 70-50 at the bottom (cerebellum) and then move upward. The data can be found in:

/autofs/space/boggart_001/users/oosterwi/construct_struc

It concerns constr011 (which I corrected using the clone method), and constr012, constr016, constr019 and constr020 (which still show the problem).

I think it can be solved by cloning the T1 (aux volume) as is explained in the Freesurfer tutorial. Still, I wonder whether this is the best solution, and why this is happening in the first place.

I appreciate any help or feedback on this. Thanks in advance!
kind regards,
Suzanne Oosterwijk

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Suzanne Oosterwijk

Postdoctoral Researcher

Interdisciplinary Affective Science Lab

Department of Psychology

Northeastern University

114 Lake Hall

s.oosterwijk@neu.edu