The 2nd contrast (slope) is the one you want.

On 02/05/2018 01:21 PM, std...@virgilio.it wrote:
>
> Thanks.
>
> Only for I quick check of my understanding, if I'm using:
>
>
> FSGD File (g1v1.fsgd)
>
> GroupDescriptorFile 1
>
> Title OSGM
>
> Class Main
>
> Variables Age
>
> Input subject1 Main 30
>
> Input subject2 Main 40
>
> .....
>
>
> A) Contrast 1 (intercept.mtx) 1 0
>
> B) Contrast 2 (slope.mtx) 0 1
>
> Considering that my goal is to obtain a map reporting the significant 
> clusters where the FC is positively/negatively associated with Age, is 
> this contrast exact? Or it shows the clusters where la FC between seed 
> and target regions is significant, regressing out the Age? This second 
> case in not of my interest.
> Please suggest a way to reach the first case.
>
> Thanks
>
>
> Stefano
>
>
>
>> Il 5 febbraio 2018 alle 18.27 Douglas Greve 
>> <gr...@nmr.mgh.harvard.edu> ha scritto:
>>
>> If you have one class and two variables, then [0 1 0] and [0 0 1]
>>
>>
>> On 2/4/18 10:23 AM, std...@virgilio.it <mailto:std...@virgilio.it> wrote:
>>>
>>> I would like to find where the functional connectivity is correlated 
>>> to VARIABLE 1 regressing out the VARIABLE 2.
>>>
>>> How I should set my contrast.mtx?
>>>
>>> Thanks
>>>
>>>
>>> Stefano
>>>
>>>> Il 3 febbraio 2018 alle 19.57 Douglas Greve 
>>>> <gr...@nmr.mgh.harvard.edu> <mailto:gr...@nmr.mgh.harvard.edu> ha 
>>>> scritto:
>>>>
>>>>
>>>>
>>>> On 2/2/18 7:47 AM, std...@virgilio.it <mailto:std...@virgilio.it> 
>>>> wrote:
>>>>>
>>>>> Hi list,
>>>>>
>>>>> in reference to One Group (One Factor), Two Covariates
>>>>>
>>>>> https://surfer.nmr.mgh.harvard.edu/fswiki/Fsgdf1G2V#Contrast2age.mtx
>>>>>
>>>>> that has been applied on FS-FAST fcMRI data
>>>>>
>>>>> I obtain three folder, respectively, for "main", "covariate 1", 
>>>>> "covariate 2".
>>>>>
>>>>> What's meaning the sig.nii.gz that it is produced by mri_glmfit in 
>>>>> each folder?
>>>>> Please correct my conclusions if they are wrong.
>>>>>
>>>>> 1 - In the "Main" folder, the sig.nii.gz contains the results of 
>>>>> One-sample t test regressing out the effect of the two covariates.
>>>>>
>>>> Correct
>>>>>
>>>>> 2 - In the "Covariate 1" folder, the sig.nii.gz contains the 
>>>>> significant cluster that are associated with the covariate 1 
>>>>> regressing out the effect for the covariate 2.
>>>>>
>>>> Yes (and the main)
>>>>>
>>>>> 3 - In the "Covariate 2" folder, the sig.nii.gz contains the 
>>>>> significant cluster that are associated with the covariate 2 
>>>>> regressing out the effect for the covariate 1.
>>>>>
>>>> Yes (and regressing out the main)
>>>>>
>>>>> Thanks
>>>>>
>>>>>
>>>>> Stefano
>>>>>
>>>>> *
>>>>> *
>>>>>
>>>>> *
>>>>> *
>>>>>
>>>>>
>>>>>
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-- 
Douglas N. Greve, Ph.D.
MGH-NMR Center
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