Dear Stefano,
I'm not entirely clear on what you've found or what you are suggesting, but if you have modified code that you would like to submit to us then just email it off the list and we will look into it.
All the best,
Mark
On 8 May 2014, at 15:41, Stefano Orsolini <[log in to unmask]> wrote:
> Hi
>
> I'm using FSL 5.0.6 for preprocessing and DPARSF software for resting state analysis.
> From the combination of FSL slice-time correction and DPARSF fALFF coefficient an artifact has emerged.
> The artifact seems associated with the alteration of the value of total energy of the rsfMRI signal in a slice by slice trend.
> Such an artifact is not emerging while using SPM for preprocessing (i.e. slice-time correction).
>
> Studying FSL source I've came to the conclusion that the alteration is caused by the approximation in obtaining the sinc kernels for the convolution (slicetimer.cc - kernel.cc).
>
> The same method with slight corrections has proven not to generate the alteration and the artifact.
> What is the proper way of submitting my material to your attention?
>
> Stefano Orsolini
|