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ICA output charts
See original GitHub issueTrying to understand the output that is generated by the --ica flag, but I’m having a hard time interpreting the plots next to each component.
The brainmaps look similar enough to what MELODIC generates that I’m (reasonably) okay with those.
It’s unclear to me what the chart next to each component is indicating as there is no key or legend. I checked the docs and there is no mention of ICA other than highlighting that the flag exists. I also had a quick look in the code, which usually points out relevant papers, but couldn’t find anything after a cursory look.
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- Created 6 years ago
- Comments:10
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One more point the spatial maps are maximum intensity projection (in other words “glass brains”).
Indeed the documentations should be improved. Indeed we are running melodic to generate thos components. The graphic on the right is the unthresholded spatial map of the component (with a black overlay of the brain edge for reference). On the right in blue is the timecourse (it should be in seconds, but relies on correct RepetitionTime value in the sidecar JSON file (see BIDS spec) which seems to be off in your case - maybe you specified RT in msec instead of sec?). The plot in orange is the frequency decomposition (should be in Hz but also seems off in your case).