Dear All,
I’m running a longitudinal VBM analysis in an adolescent sample (T1 at age 14 and age 17) in SPM12 using longitudinal pairwise registration. Preprocessing was done according to the VBM pipeline put forth by John Ashburner.
I found a cluster of significant GM changes that runs like a line (in the axial view) along the edge of the temporal lobe. Given the unusual shape of the cluster, what is the likelihood that this is an artefact and if so how would I go about verifying this?
Thanks in advance for any advice!
Best regards,
Anna
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