dear spmers,
I would like to check whereas brain changes in a longitudinal VBM are correlated
to the variations of a neuropsychological variable. To do that, would be correct
to substract pre-post images and then to correlate the substraction image with
the increment of the neuropsychological variable?? If not, which other procedure
could I use??
Thank you very much
yours
Carles Falcon
IDIBASP/Hospital Clinic of Barcelona
Biophysics Unit University of Barcelona (Spain)
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