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Thanks, I always work with fsl and I have very single cases Best On Fri, May 18, 2012 at 5:31 PM, Vince Calhoun <[log in to unmask]> wrote: > Hi John,**** > > ** ** > > *From:* John Fredy [mailto:[log in to unmask]] > *Sent:* Friday, May 18, 2012 4:27 PM > *To:* Vince Calhoun > *Cc:* [log in to unmask] > *Subject:* Re: [SPM] default mode network**** > > ** ** > > Dear Vince, can you please explain me with more detail the last point?,How > I can run ICA spatially constrained?, Or, I can download the templates as > volumes and run a multiple subject concatenation and then run dual > regression?**** > > Well, if you use GIFT you can use the included spatially constrained ICA > algorithm [1], and select the template you want and the data you want to > analyze. You can do this for a single subject or a group of subjects. > Likewise if you want to use the STR/DR approach this is provided as either > a back-reconstruction option or as a utility (drop down on front screen) > where it will ask you for the single subject fmri data and the template > images. **** > > Regards,**** > > Vince**** > > ** ** > > [1] Q. Lin, J. Liu, Y. Zheng, H. Liang, and V. D. Calhoun, "Semi-blind > Spatial ICA of fMRI Using Spatial Constraints," Hum. Brain Map., vol. 31, > 2010.**** > > -----------------**** > > > > Thanks in advance**** > > On Fri, May 18, 2012 at 9:22 AM, Vince Calhoun <[log in to unmask]> wrote:** > ** > > Hi Syu-Jyun,**** > > There are multiple ways to do this. You can just run > single-subject ICA and likely you will find one or more DMN components, one > will likely have maximal values in posterior cingulate regions, so you can > just select one or more of these. You can also take templates from another > study (e.g. http://mialab.mrn.org/data) or from an atlas and run either > spatiotemporal regression/dual regression or spatially constrained ICA to > get a single component out. I prefer the latter since it does a better job > of handing the subject specific variability, and it gives you what you > want, but any of the above will ‘work’. ;-)**** > > **** > > Regards,**** > > **** > > Vince**** > > **** > > *From:* SPM (Statistical Parametric Mapping) [mailto:[log in to unmask]] *On > Behalf Of *Peng Syu-Jyun > *Sent:* Friday, May 18, 2012 8:10 AM > *To:* [log in to unmask] > *Subject:* [SPM] default mode network**** > > **** > > Dear exports**** > > **** > > How to extract default mode network of single subject?**** > > **** > > Could I use ICA to obtain several compoents, these compoents are different > default mode network?**** > > **** > > Best regards,**** > > **** > > Syu-Jyun**** > > > > > -- > John Ochoa > Docente de Bioingeniería > Universidad de Antioquia**** > -- John Ochoa Docente de Bioingeniería Universidad de Antioquia