Thanks Michael and Matt. Were they all collected at the same site? If not, I'd expect this to make some difference.
On Wed, Apr 26, 2017 at 2:00 PM, Glasser, Matthew <glass...@wustl.edu> wrote: > It is a variable in the .csv you download out of the database. Diffusion > isn’t affected by this, just fMRI because diffusion was processed with the > same recon version (old scans were reprocessed). > > Peace, > > Matt. > > From: Joelle Zimmermann <joelle.t.zimmerm...@gmail.com> > Date: Wednesday, April 26, 2017 at 12:58 PM > To: Matt Glasser <glass...@wustl.edu> > Cc: "hcp-users@humanconnectome.org" <hcp-users@humanconnectome.org> > Subject: Re: [HCP-Users] comparison across acquisitions > > Thanks for your reply Matt. > > By version number, do you mean the "acquisition" - that is, the Q#? > > So you expect the fMRI to be more different across acquisitions than the > diffusion? > > Do you recall at which acquisition the image reconstruction version change > occurred? > > Joelle > > On Wed, Apr 26, 2017 at 1:51 PM, Glasser, Matthew <glass...@wustl.edu> > wrote: > >> The main thing to consider was a an image reconstruction version change >> that occurred relatively early in the project. Diffusion data were >> retroreconned (and so all data have the same version), but fMRI raw data >> had not been saved and could not be retroreconned. We advise using a >> covariate of no interest for version number. >> >> Peace, >> >> Matt. >> >> From: <hcp-users-boun...@humanconnectome.org> on behalf of Joelle >> Zimmermann <joelle.t.zimmerm...@gmail.com> >> Date: Wednesday, April 26, 2017 at 12:48 PM >> To: "hcp-users@humanconnectome.org" <hcp-users@humanconnectome.org> >> Subject: [HCP-Users] comparison across acquisitions >> >> Hi HCPers, >> >> I'm working with structural and functional connectomes from the S900 HCP. >> I'm wondering how the different acquisitions (ie Q1 Q2 etc) and releases >> would affect comparison across all SCs for example. Was data collected at >> different sites for example? - which may affect comparison across >> acquisitions. >> >> See below info pasted from behaviour spreadsheet. Do I understand >> correctly the "Release" column is when subjects were first released. but if >> i am getting all data from the S900, then I shouldn't care about this first >> release? >> >> Thanks, >> Joelle >> >> Subject Release Acquisition >> 100004 S900 Q06 >> 100206 S900 Q11 >> 100307 Q1 Q01 >> 100408 Q3 Q03 >> 100610 S900 Q08 >> 101006 S500 Q06 >> 101107 S500 Q06 >> 101309 S500 Q06 >> 101410 S500 Q06 >> 101612 S900 Q11 >> 101915 Q3 Q04 >> >> _______________________________________________ >> HCP-Users mailing list >> HCP-Users@humanconnectome.org >> http://lists.humanconnectome.org/mailman/listinfo/hcp-users >> >> >> ------------------------------ >> >> The materials in this message are private and may contain Protected >> Healthcare Information or other information of a sensitive nature. If you >> are not the intended recipient, be advised that any unauthorized use, >> disclosure, copying or the taking of any action in reliance on the contents >> of this information is strictly prohibited. If you have received this email >> in error, please immediately notify the sender via telephone or return mail. >> > > > ------------------------------ > > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you > are not the intended recipient, be advised that any unauthorized use, > disclosure, copying or the taking of any action in reliance on the contents > of this information is strictly prohibited. If you have received this email > in error, please immediately notify the sender via telephone or return mail. > _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users
