I have used an "Absolute masking" with a threshold of 0.2. Your command
return:
SPM.xVol.R
ans =
0 -190 47685 411479
SPM.xVol.FWHM
ans =
1 1 1
Best,
Frederic
Le 2015-05-22 15:47, Guillaume Flandin a écrit :
> Dear Frederic,
>
> which explicit mask did you use? Have you tried an "Absolute masking"
> as
> described in the document?
> Then you might want to check your analysis mask (display mask.nii) and
> let us know what is returned from:
>>> load SPM.mat
>>> SPM.xVol.R
>>> SPM.xVol.FWHM
>
> Best regards,
> Guillaume.
>
>
> On 22/05/15 14:28, briend wrote:
>> Dear Guillaume,
>> Thanks for your swift reply. Unfortunately, even with mask (explicit
>> binary mask) my terminal stay in loop*, I 've yet exactly following
>> the
>> VBM recipe of John Ashburner.
>>
>> Do you have another idea?
>>
>> Many thanks again,
>>
>> Frederic
>>
>> *
>>>> In spm_Tcdf at 91
>>>> In spm_ECdensity at 38
>>>> In spm_P_RF at 63
>>>> In spm_uc_RF at 38
>>>> In spm_uc at 31
>>>> In spm_getSPM at 783
>>>> In spm_results_ui at 261
>>
>>
>> Le 2015-05-21 21:37, Guillaume Flandin a écrit :
>>> Dear Frederic,
>>>
>>> you probably need to mask your data during model specification, see
>>> p17
>>> of John's document:
>>> http://www.fil.ion.ucl.ac.uk/~john/misc/VBMclass15.pdf
>>>
>>> Best regards,
>>> Guillaume.
>>>
>>>
>>> On 21/05/15 16:00, briend wrote:
>>>> Dear SPM users,
>>>>
>>>> I have recently acquired SPM 12 to run a VBM analysis. My
>>>> preprocessing
>>>> (Segment, Run DARTEL –create Templates-, Normalise to MNI space)
>>>> works
>>>> perfectly and my model for a between group comparison runs without
>>>> any
>>>> problem as well. However after estimate my SPM.mat file (Stats &
>>>> factorial design specification> 2 samples t-test), I have a bug in
>>>> the
>>>> Results: I have my contrast (-1 1), I don’t apply a mask, and don’t
>>>> proceed to FEW, then the problem begin, my terminal seems to play in
>>>> loop:
>>>>
>>>> Warning: Returning NaN for out of range arguments
>>>> In spm_Tcdf at 91
>>>> In spm_ECdensity at 38
>>>> In spm_P_RF at 63
>>>> In spm_uc_RF at 38
>>>> In spm_uc at 31
>>>> In spm_getSPM at 783
>>>> In spm_results_ui at 261
>>>>
>>>> Could anyone suggest what could be the source of the problem and how
>>>> to
>>>> solve it?
>>>>
>>>> Many thanks in advance,
>>>>
>>>> Frederic
>>>>
|