Hi,
On Mon, Mar 6, 2017 at 12:00 PM, Wolke, Selina <[log in to unmask]> wrote:
>
> Dear SPM experts,
>
>
>
> I am using marsbar to extract average activation in my ROI.
>
>
>
> I am doing:
>
> Design à set design from file (I select the SPM.mat file from my paired sample t-test)
>
> Data à extract ROI data (default) (I select my roi.mat files)
>
> Results à estimate
>
> Data à export data à Export what?: Summary time course(s) for region(s) à Export to: Excel spreadsheet
>
>
>
> My values are like this:
>
> -0.91378
>
> -1.6579
>
> -0.02722
>
> 2.625
>
> 310.9
>
> 0.006933
>
> 0.26771
>
> 0.60347
>
> -3.9189
>
> 333.66
>
> -1.5806
>
> 0.41449
>
> 2.9304
>
> -8.8653
>
> -1.1795
>
> -1.1964
>
> -0.36334
>
> -2.1163
>
> -3.8145
>
> -1.9785
>
> -5.8863
>
> -5.4379
>
> -5.2082
>
> 1.5264
>
> 11.812
>
> -4.4949
>
> -2.2965
>
> 1.0069
>
> -7.8554
>
> -4.1713
>
> -3.3252
>
> -1.2856
>
> -4.8804
>
> -6.4673
>
> -7.0185
>
> -3.3172
>
> -2.4582
>
> -1.7921
>
> -3.9937
>
> -0.83123
>
>
>
>
>
> What is going wrong?
I'm just guessing, but maybe you chose the wrong scans to enter into
the second level t test? For example, I wonder whether you
accidentally chose a beta image for the session mean instead of a
condition beta, as you probably intended?
Best,
Matthew
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