Hi Adam,
just to chime in on that one, I pursued a similar approach as the one
you outlined for generating the motion fingerprint (PMID: 22036679), the
code for which you can find at our website (cf. below).
Cheers,
Marko
YAN Chao-Gan wrote:
> Hi Adam,
>
> I did spend some efforts on this issue previously. Please see my shared
> script at http://rfmri.org/Scripts_YAN
>
> 1. Apply realign parameters (rp*.txt generated by SPM) to grey matter,
> white matter and CSF images. Buy doing so, one could evaluate the
> partial voluming effects on BOLD signal. These script is written for a
> porject of Yan, C.G., Cheung, B., Kelly, C., Colcombe, S., Craddock,
> R.C., Di Martino, A., Li, Q., Zuo, X.N., Castellanos, F.X., Milham,
> M.P., 2013. A comprehensive assessment of regional variation in the
> impact of head micromovements on functional connectomics. Neuroimage 76,
> 183-201. However, we didn't include this part into the final paper.
>
> The script requires some matlab programming background and some SPM
> knowledge. Hope this will be helpful for your work!
>
> Best,
>
> Chao-Gan
>
>
>
>
> On Thu, Oct 3, 2013 at 11:21 AM, Adam Tyson <[log in to unmask]
> <mailto:[log in to unmask]>> wrote:
>
> I'm trying to solve an fMRI motion correction problem. To check the
> results, I'm trying to generate a simulated dataset which has a
> known amount of motion.
>
> My idea was to run realign on an existing real dataset, then use the
> realignment parameters that SPM gives out to "add" the motion to
> another dataset.
>
> Does anyone know how I can use the Nx6 .txt file of realignment
> parameters to "add" this motion to a simulated dataset?
>
> Thanks a lot,
>
> Adam Tyson
>
>
>
>
> --
> Chao-Gan YAN, Ph.D.
> Research Scientist
> The Nathan Kline Institute for Psychiatric Research, 140 Old Orangeburg
> Road, Orangeburg, NY 10962
> Center for the Developing Brain, Child Mind Institute, 445 Park Avenue,
> New York, NY 10022
> The Phyllis Green and Randolph Cowen Institute for Pediatric
> Neuroscience, New York University Child Study Center, New York, NY 10016
> -
> Initiating + Service Node
> The R-fMRI Network (RFMRI.ORG <http://RFMRI.ORG>)
> _http://rfmri.org/yan_
> http://scholar.google.com/citations?user=lJQ9B58AAAAJ&hl=en
--
____________________________________________________
PD Dr. med. Marko Wilke
Facharzt für Kinder- und Jugendmedizin
Leiter, Experimentelle Pädiatrische Neurobildgebung
Universitäts-Kinderklinik
Abt. III (Neuropädiatrie)
Marko Wilke, MD, PhD
Pediatrician
Head, Experimental Pediatric Neuroimaging
University Children's Hospital
Dept. III (Pediatric Neurology)
Hoppe-Seyler-Str. 1
D - 72076 Tübingen, Germany
Tel. +49 7071 29-83416
Fax +49 7071 29-5473
[log in to unmask]
http://www.medizin.uni-tuebingen.de/kinder/epn/
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