Hi there,
has somebody tried to spatially normalize fMRI data acquired by a
surface coil in order to do a group analysis?
I have used a surface coil for the occipital lobe, and my slices were
parallel to and covering the temporal lobes. Thus, my images (both the
anatomical scan and the fMRI data) have very little or no signal in the
frontal areas of the brain. This seems to mislead the normalization
process if I use the default procedures. The results seem to be
sensitive to the slice prescription too, perhaps depending on whether
there was enough signal to noise ratio for the top of the head. For one
subject I have both surface coil and whole head coil data. I have played
around trying to make a surface coil template from these data, but I
didn't make much progress.
I was wondering if anyone would have suggestions for normalizing such
kind of data. Even if it is not Talairach space, I would at least like
to have the data from different subjects in a common space where I can
do a group analysis. Any ideas of how to best do this?
Thanks for your help.
Jorge
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Jorge Jovicich, Dr. rer. nat
Brain and Cognitive Sciences
Massachusetts Institute of Technology Phone: (617)-452-3127
77 Massachusetts Av., NE20-464 Fax: (617)-258-8654
Cambridge, MA 02139, USA E-mail: [log in to unmask]
http://web.mit.edu/bcs/nklab/
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