On Tue, Aug 9, 2011 at 12:51 PM, Douglas N Greve <greve@nmr.mgh.harvard.edu> wrote:

Yes, but don't use mkanalysis-sess.new. Are you not using version 5.X?
doug

Yang Liu wrote:

Hi Doug,

Thank you for prompt reply.
So I should remove '-gammafit', and add '-fir 4 24' is for mkanalysis-sess.new?

Yang

On Tue, Aug 9, 2011 at 11:42 AM, Douglas N Greve <greve@nmr.mgh.harvard.edu <mailto:greve@nmr.mgh.harvard.edu>> wrote:

If you want a time course, you should use an FIR model, something
like "-fir 4 24" to start the time window 4 sec before the
stimulus onset and stop it 20 sec after stimulus onset. Do not
include -gammafit.

doug

Yang Liu wrote:

Hi all,

I want to plot the hemodynamic response of a voxel after my
analysis finishes. I hope I can get the hemodynamic response
of each voxel for each session, so I can see the statistics by
myself.

My analysis.cfg is below:

-gammafit 0 8
-gammaexp 0.3
-timewindow 40.0000
-prestim 0
-polyfit 2
-TER 2.0000
-autowhiten 40
-nskip 0
-fwhm 0
-extreg mcextreg
-nextreg 3
-rescale 1000

After I ran selxavg-sess, I got the following volumes: h0.nii,
h0-offset.nii, h.nii, h-offset.nii, rstd.nii, rvar.nii.
How can I get a response from these volumes?

Yang

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