That's a great idea-- thanks, Tom!
Just wondering, then: Is the issue that higher level analyses
incorporate only those voxels for which there are nonzero values
across all EVs across all first-level analyses?
Cheers,
Heather
On Fri, May 15, 2009 at 5:06 AM, Tom Johnstone
<[log in to unmask]> wrote:
> Hi Heather,
>
> On Fri, May 15, 2009 at 3:40 AM, Heather L. Urry <[log in to unmask]> wrote:
>> This warning is produced repeatedly. I'd thought of perhaps just
>> leaving the behavioral covariate EVs out when running the second level
>> analyses but I'd actually like to see the effect of the button press
>> across subjects at the highest level. Does anyone have a suggestion
>> for how to handle this problem? I'm running FSL 4.1.0 on Mandriva
>> linux.
>
> I don't know if it's the easiest solution, but one way would be to do
> two 2nd level analyses - one leaving out the behavioural copes, and
> one only on the behavioural copes. For the latter, rather than
> choosing the feat directory as input, choose individual cope files.
> You can then select only the behavioural cope files for which you have
> data (i.e. miss out the "empty" ones).
>
> This will do what you want to do, but will be a little more finicky
> with specifying the the data.
>
>
> -Tom
>
>
>
>> Thanks!
>>
>> Best,
>>
>> Heather
>>
>>
>> --
>> Heather L. Urry
>> Department of Psychology
>> Tufts University
>> 490 Boston Avenue
>> Medford, MA 02155
>>
>> email: [log in to unmask]
>> phone: 617-627-3733
>> fax: 617-627-3181
>>
>
--
Heather L. Urry
Department of Psychology
Tufts University
490 Boston Avenue
Medford, MA 02155
email: [log in to unmask]
phone: 617-627-3733
fax: 617-627-3181
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