Can short fMRI data be used for group ICA analysis?

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Hi experts,

I recently ran a group ICA analysis for 30 fMRI scans, with only 75 frames for each scan. Component number was set to 10. See the EVplot below.

EVplot
EVplot917×473 3.41 KB
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What does this mean? hope I can get some more insights here.

Thanks!

Yun