Hi [comment also for Jenn below] Sorry, we didn't calculate z-stat versions of the volumetric group-average maps. The volumetric maps are really just intended as a useful visual reference - the CIFTI versions are the "real thing".
--------------------------------- BTW - I think that you are not asking about subject-specific RSN maps - but for completeness: just the CIFTI z-stat versions of those are available online at HCP website. Jenn - I've just noticed that the descriptions of these 3 recent packages are totally wrong - that's probably my fault sorry - please could you change all of the following text from: The following links contain volumetric NIFTI versions of the CIFTI MSMall Group-ICA parcellations, with various ICA dimensionalities applied. Volumetric Parcellations for 10-, 25-, 50-, 100-dimensionalities (57GB) <https://db.humanconnectome.org/app/action/ChooseDownloadResources?project=HCP_Resources&resource=GroupAvg&filePath=HCP_S900_PTNmaps_d15_25_50_100.zip> Volumetric Parcellations for 200-dimensionality (55GB) <https://db.humanconnectome.org/app/action/ChooseDownloadResources?project=HCP_Resources&resource=GroupAvg&filePath=HCP_S900_PTNmaps_d200.zip> Volumetric Parcellations for 300-dimensionality (85GB) <https://db.humanconnectome.org/app/action/ChooseDownloadResources?project=HCP_Resources&resource=GroupAvg&filePath=HCP_S900_PTNmaps_d300.zip> to being: The following links contain subject-specific CIFTI maps: subject-specific versions of the group-ICA parcellations, with various ICA dimensionalities applied. These are z-statistic maps generated using dual-regression. CIFTI subject-specific Parcellations for 10-, 25-, 50-, 100-dimensionalities (57GB) <https://db.humanconnectome.org/app/action/ChooseDownloadResources?project=HCP_Resources&resource=GroupAvg&filePath=HCP_S900_PTNmaps_d15_25_50_100.zip> CIFTI subject-specific Parcellations for 200-dimensionality (55GB) <https://db.humanconnectome.org/app/action/ChooseDownloadResources?project=HCP_Resources&resource=GroupAvg&filePath=HCP_S900_PTNmaps_d200.zip> CIFTI subject-specific Parcellations for 300-dimensionality (85GB) <https://db.humanconnectome.org/app/action/ChooseDownloadResources?project=HCP_Resources&resource=GroupAvg&filePath=HCP_S900_PTNmaps_d300.zip> Thanks! > On 14 Jul 2016, at 06:49, Nicola Toschi <tos...@med.uniroma2.it> wrote: > > Dear Prof. Smith, > Dear List, > > one more question: would the Z-maps related to the second-last step step > (dual regression to create volumetric representations if the IC) be available > (they are not in the public release)? > > This would greatly aid in interpreting/threshold the volumetric betas. > > Thanks a lot in advance, > > Nicola > > On 07/06/2016 10:09 AM, Stephen Smith wrote: >> Hi >> >> Group-ICA is carried out in grayordinate space. Then: >> >> For each subject, subject-wise grayordinate AND volumetric maps (versions of >> the group-ICA) are estimated using dual-regression, with node-timeseries >> normalisation, and outputs in units of GLM betas (parameter estimates) not >> Z. >> >> These volumetric maps are then averaged across subjects to generate the >> group-average volumetric maps distributed from HCP. >> >> So how you threshold these is up to you and depends what the intended usage >> for that is....... >> >> Cheers. >> >> >> >>> On 6 Jul 2016, at 07:26, Nicola Toschi < >>> <mailto:tos...@med.uniroma2.it>tos...@med.uniroma2.it >>> <mailto:tos...@med.uniroma2.it>> wrote: >>> >>> Hi, >>> >>> The volumetric version! >>> >>> Thanks in advance, >>> >>> Nicola >>> >>> >>> -------- Original message -------- >>> From: Stephen Smith <st...@fmrib.ox.ac.uk <mailto:st...@fmrib.ox.ac.uk>> >>> Date: 04/07/2016 12:37 PM (GMT+01:00) >>> To: Nicola Toschi <tos...@med.uniroma2.it <mailto:tos...@med.uniroma2.it>> >>> Cc: hcp-users <hcp-users@humanconnectome.org >>> <mailto:hcp-users@humanconnectome.org>> >>> Subject: Re: [HCP-Users] Exact Meaning of ICA maps in 800 subjects release >>> >>> HI - do you mean the grayordinate or volumetric versions? >>> Cheers >>> >>> >>> >>>> On 4 Jul 2016, at 11:16, Nicola Toschi <tos...@med.uniroma2.it >>>> <mailto:tos...@med.uniroma2.it>> wrote: >>>> >>>> Hi list, >>>> >>>> This may be more of a MELODIC question, but I would be grateful for any >>>> input: >>>> >>>> In the ICA release on 800+ subjects, what is the exact mathematical >>>> meaning / definition of the (non-binary) intensities of the different >>>> component volumes? >>>> >>>> Are they easily relatable to a statistical map (I am looking to threshold >>>> them to study main clusters and possibly correct for multiple comparisons)? >>>> >>>> Thanks in advance, >>>> >>>> Nicola >>>> >>>> _______________________________________________ >>>> HCP-Users mailing list >>>> HCP-Users@humanconnectome.org <mailto:HCP-Users@humanconnectome.org> >>>> http://lists.humanconnectome.org/mailman/listinfo/hcp-users >>>> <http://lists.humanconnectome.org/mailman/listinfo/hcp-users> >>> >>> --------------------------------------------------------------------------- >>> Stephen M. Smith, Professor of Biomedical Engineering >>> Head of Analysis, Oxford University FMRIB Centre >>> >>> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK >>> +44 (0) 1865 222726 (fax 222717) >>> st...@fmrib.ox.ac.uk <mailto:st...@fmrib.ox.ac.uk> >>> http://www.fmrib.ox.ac.uk/~steve <http://www.fmrib.ox.ac.uk/%7Esteve> >>> --------------------------------------------------------------------------- >>> >>> Stop the cultural destruction of Tibet <http://smithinks.net/> >>> >>> >>> >>> >>> >>> _______________________________________________ >>> HCP-Users mailing list >>> HCP-Users@humanconnectome.org <mailto:HCP-Users@humanconnectome.org> >>> http://lists.humanconnectome.org/mailman/listinfo/hcp-users >>> <http://lists.humanconnectome.org/mailman/listinfo/hcp-users> >> >> --------------------------------------------------------------------------- >> Stephen M. Smith, Professor of Biomedical Engineering >> Head of Analysis, Oxford University FMRIB Centre >> >> FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK >> +44 (0) 1865 222726 (fax 222717) >> st...@fmrib.ox.ac.uk <mailto:st...@fmrib.ox.ac.uk> >> <http://www.fmrib.ox.ac.uk/%7Esteve>http://www.fmrib.ox.ac.uk/~steve >> <http://www.fmrib.ox.ac.uk/~steve> >> --------------------------------------------------------------------------- >> >> Stop the cultural destruction of Tibet <http://smithinks.net/> >> >> >> >> >> > --------------------------------------------------------------------------- Stephen M. Smith, Professor of Biomedical Engineering Head of Analysis, Oxford University FMRIB Centre FMRIB, JR Hospital, Headington, Oxford OX3 9DU, UK +44 (0) 1865 222726 (fax 222717) st...@fmrib.ox.ac.uk http://www.fmrib.ox.ac.uk/~steve <http://www.fmrib.ox.ac.uk/~steve> --------------------------------------------------------------------------- Stop the cultural destruction of Tibet <http://smithinks.net/> _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users
