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HuangHam opened this issue May 9, 2022 · 6 comments
Open

Issue on the tutorial #5

HuangHam opened this issue May 9, 2022 · 6 comments

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@HuangHam
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HuangHam commented May 9, 2022

I think there is an issue on section 5 (Section 5: Calculating the RDM for ROI and Plotting) of the second Tutorial (fMRI one). The output of that cell is RDMs computing finished! Invalid input!
@HuangHam
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Oh I figured out why. so in the plotting line instead of plot_rdm(rdm_roi ...., you should do plot_rdm(rdm_roi[0] .... to index the first subject's RDM.

@NickGuAI
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NickGuAI commented Jul 5, 2022

I noticed the example provides plotting only for searchlight RDM
were you able to figure out how to plot roi rdm?

@HuangHam
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HuangHam commented Jul 5, 2022

yes. So as I said in the previous comment, the rdm_roi output by the tutorial code is a list of rdm where each element is the rdm for on subject. You can either plot the rdm of one subject using plot_rdm(rdm_roi[subj_indx],...) or you can average all rdm across all subjects.

@NickGuAI
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NickGuAI commented Jul 5, 2022

thanks for the response @HuangHam !
Sorry I meant in Section 8: Saving the RSA result and Plotting

which plots searchlight only. I was wondering if you figured out a way to plot for non-searchlight rsa results

@HuangHam
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HuangHam commented Jul 5, 2022

Oh I see. I did not look at Section 8 closely, but it seems like that it's plotting the brain regions where the searchlight RSA shows a significant effect. In case of ROI, you already prespecify a brain region, so I don't see why section 8 would apply... Maybe that's why the tutorial only includes the demo for plotting searchlight.

@NickGuAI
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NickGuAI commented Jul 5, 2022

ah *derp
that's indeed the case

Thanks @HuangHam !!

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