How did you compute the average? If using mri_glmfit, it will store an rstd.mgh file with the stddev, you can load it like any other overlay.

doug

Inês Souta wrote:

Hello,

After computing the average thickness of an average subject (prior to Qdec), how can I estimate and get a map of standard deviations of the thickness measures across the subjects I've averaged.

Thanks,

Ines

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