Well, given that I am interested in events of 500 ms duration, I would like to use either beta series correlations or gPPI given the results of this paper:
https://pdfs.semanticscholar.org/d9d0/a73109ddaa9c426439e8a1a3f67f66391830.pdf I don't see much documentation on either of these methods in fsl or any workbench tools. In the past I have used the gppi method from afni: https://www.ncbi.nlm.nih.gov/pubmed/22484411 Implemented using these steps: https://afni.nimh.nih.gov/sscc/gangc/CD-CorrAna.html I wasn't sure if there is a convenient way to do either method simply in fsl or specifically with any workbench commands. If not I will hack through it, but just wanted to check if there was something already set up such as the method described b afni above for gPPI, or a particular recommended method with this kind of data at present. Thank you, Michael Context-Dependent Correlation Analysis or Generalized PPI ...<https://afni.nimh.nih.gov/sscc/gangc/CD-CorrAna.html> afni.nimh.nih.gov Typically subjects perform some tasks, or are under some conditions, or go through some stimuli during the scanning session. Thus different from simple correlation ... [http://www.ncbi.nlm.nih.gov/pmc/articles/instance/3376181/bin/nihms-368135-f0001.gif]<https://www.ncbi.nlm.nih.gov/pubmed/22484411> A generalized form of context-dependent psychophysiological interactions (gPPI): a comparison to standard approaches. - PubMed - NCBI <https://www.ncbi.nlm.nih.gov/pubmed/22484411> www.ncbi.nlm.nih.gov Neuroimage. 2012 Jul 16;61(4):1277-86. doi: 10.1016/j.neuroimage.2012.03.068. Epub 2012 Mar 30. Comparative Study; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S. ________________________________ From: Glasser, Matthew <[email protected]> Sent: Tuesday, October 25, 2016 7:07:57 PM To: Michael F.W. Dreyfuss; [email protected] Subject: Re: [HCP-Users] Connectivity Analysis with Cifti If you weren't using CIFTI how would you do such an analysis? Peace, Matt. From: <[email protected]<mailto:[email protected]>> on behalf of "Michael F.W. Dreyfuss" <[email protected]<mailto:[email protected]>> Date: Tuesday, October 25, 2016 at 9:41 AM To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>> Subject: [HCP-Users] Connectivity Analysis with Cifti Hi, What is/are the recommended method(s) for performing connectivity analyses with cifti data? If I want to look at Amygdala-NAcc or Amyg-cortical connectivity, for example, during one condition of a task fMRI relative to baseline or another condition, how can I do this? Thank you, Michael _______________________________________________ HCP-Users mailing list [email protected]<mailto:[email protected]> http://lists.humanconnectome.org/mailman/listinfo/hcp-users<https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.humanconnectome.org_mailman_listinfo_hcp-2Dusers&d=DQMFAw&c=lb62iw4YL4RFalcE2hQUQealT9-RXrryqt9KZX2qu2s&r=rPclmYysc_z1plf99IoNsmxWf1JolkKMmL6bXnYFSwg&m=bC0JeEKCbnugMLuTA5qyWvXtpHqzwaPUlVWbtOqK-PY&s=be_lKRnLJj-PrUsi92qpr2duZLbL8gh_nzsKBlMuOWc&e=> ________________________________ 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 [email protected] http://lists.humanconnectome.org/mailman/listinfo/hcp-users
