[WIP]: issue-817 draft discussing aroma confounds #1
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oesteban
approved these changes
Jul 3, 2018
oesteban
reviewed
Jul 3, 2018
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| "The first test will mirror [Hallquist's The Nuisance of Nuisance Regression](https://www.ncbi.nlm.nih.gov/pubmed/23747457) where I will replicate the simulation signal they used and test the impact of an additional nuisance (I'll call it csf) when it is cleaned (e.g. derived from the denoised bold series) or unclean (derived from the raw bold series)\n", | ||
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| "* Please see the [pull request](https://github.com/poldracklab/fmriprep/pull/959), [issue 817](https://github.com/poldracklab/fmriprep/issues/817), and [issue 1049](https://github.com/poldracklab/fmriprep/issues/1049) associated with this topic for more information." |
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Thanks for adding these links here :)
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Referencing nipreps/fmriprep#817
This is a draft of some basic simulations to assess whether extracting confounds before or after denoising with ICA-AROMA has a detrimental impact on subsequent outcome measures (correlations & frequency spectra).
The code was inspired from @chrisfilo's analysis of ICA-AROMA, so input towards the correctness of the code and fallacious assumptions I may have made during this analysis will be greatly appreciated.