AFNI Message Board

Dear AFNI users-

We are very pleased to announce that the new AFNI Message Board framework is up! Please join us at:

https://discuss.afni.nimh.nih.gov

Existing user accounts have been migrated, so returning users can login by requesting a password reset. New users can create accounts, as well, through a standard account creation process. Please note that these setup emails might initially go to spam folders (esp. for NIH users!), so please check those locations in the beginning.

The current Message Board discussion threads have been migrated to the new framework. The current Message Board will remain visible, but read-only, for a little while.

Sincerely, AFNI HQ

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Chunliang Feng
March 08, 2017 01:19AM
Hi AFNI experts,

We have a multi-echo dataset, and we want to use it for MVPA analysis. Therefore, we need to keep each subject's data unnormalized and unsmoothed. However, it seems that meica.py performed all these preprocessing before ICA denoising (https://afni.nimh.nih.gov/pub/dist/src/pkundu/README.meica). I am wondering if it is reasonable and possible to skip the normalization and smoothing steps and run the ICA denosing step directly?

Thanks in advance,
Chunliang
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Subject Author Posted

MEICA before smoothing and normalization

Chunliang Feng March 08, 2017 01:19AM

Re: MEICA before smoothing and normalization

javiergc March 08, 2017 05:14PM

Re: MEICA before smoothing and normalization

Chunliang Feng March 09, 2017 02:19AM

Re: MEICA before smoothing and normalization

jwe080 March 09, 2017 10:11AM