Sorry, this type of analysis is not possible with FSFAST. You could possibly create a new functional volume by extracting the relevant frames for a condition, then run the functional connectivity on that. doug
On 10/24/2012 01:23 PM, SHAHIN NASR wrote: > Thanks doug But I am not sure if it was the answer. To be more > specific, my subjects did two different tasks within one fmri run. I > want to see their functional connectivity during task 1 and task 2 > separately. > > If it was resting state, I didn't need to separate my data and a > simple fcseed-config like below was enough: > > fcseed-config -roi Labels/rh.V1 -fcname mean.R_V1.dat -fsd rest -mean > -cfg CFG_Files/mean.R_V1.config > > But now, I don't know how to modify my fcseed-config to say I have had > two conditions (task) within one run and I need to measure the seed > for each task separately. > > > > > On Wed, Oct 24, 2012 at 1:00 PM, Douglas N Greve > <gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu>> wrote: > > Hi Shahin, you can do seed-based analysis. In principle you can do > this with task data, you just need to adjust your conclusions > accordingly. There is no easy to way to only do the analysis on > the resting epochs of a blocked design, if that is what you mean. > doug > > > On 10/24/2012 12:55 AM, SHAHIN NASR wrote: > > Hi, > > I was wondering if we can compare "functional connectivity" > between blocks within a run as we do for BOLD signal using > freesurfer. Current documentation of freesurfer is for resting > state and does not consider conditions that experiment is > Blocked Design. > > Similar question has been asked previous but nobody answered > (see the link below) > > https://mail.nmr.mgh.harvard.edu/pipermail/freesurfer/2012-June/024394.html > > Regards > > -- > Shahin Nasr > > PhD in Cognitive Neuroscience > Martinos Imaging Center, MGH > Harvard Medical School > > > > > -- > Douglas N. Greve, Ph.D. > MGH-NMR Center > gr...@nmr.mgh.harvard.edu <mailto:gr...@nmr.mgh.harvard.edu> > Phone Number: 617-724-2358 <tel:617-724-2358> > Fax: 617-726-7422 <tel:617-726-7422> > > Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting > <http://surfer.nmr.mgh.harvard.edu/fswiki/BugReporting> > FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html > <http://www.nmr.mgh.harvard.edu/facility/filedrop/index.html> > > > > > > -- > Shahin Nasr > > PhD in Cognitive Neuroscience > Martinos Imaging Center, MGH > Harvard Medical School > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
