> Can anyone tell me how I can obtain the volume of the grey matter
> tissue following the segmentation of the normalised images?
The data needs to be "modulated" in order to correct for
expansion/contraction. A search for the word "modulate" at
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?S1=spm will tell you more than you
need to know about this (several times over).
The following link will also be useful for finding code for summing voxels in
an image:
http://www.jiscmail.ac.uk/cgi-bin/wa.exe?A2=ind0303&L=spm&P=R7281&I=-1
Best regards,
-John
--
Dr John Ashburner.
Functional Imaging Lab., 12 Queen Square, London WC1N 3BG, UK.
tel: +44 (0)20 78337491 or +44 (0)20 78373611 x4381
fax: +44 (0)20 78131420 http://www.fil.ion.ucl.ac.uk/~john
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