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
>>>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
|