<p><span style="padding: 3px 10px; border-radius: 5px; color: #ffffff; font-weight: bold; display: inline-block; background-color: #ff0000;"> External Email - Use Caution </span></p><p></p><div dir="ltr">Sorry for posting this question again...<div>Thank you very much in advance!</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Feb 9, 2020 at 2:35 PM Irina Anurova <<a href="mailto:anurova.irina@gmail.com">anurova.irina@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Hi Alex,<div>Thank you very much for your reply,</div><div>I meant a group averaged evoked response (ERP/ERF) to auditory stimulation (when subjects are performing an active task). The individual dSPMs were morphed beforehand to a standard template. The group average shows strong activation within the auditory cortex, and weaker activation in another region of interest. The second region can be seen at a lower threshold, that can be adjusted using the interactive scale. So, I would like to find out whether this second activation is significant. Is there an objective way to set up the threshold for the significant activation (versus baseline)? Is it necessary to perform the FDR correction to the group averaged evoked responses (like we do for fMRI data)?</div><div>Thank you very much for your help!</div><div>Irina.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Feb 8, 2020 at 3:29 PM Alexandre Gramfort <<a href="mailto:alexandre.gramfort@inria.fr" target="_blank">alexandre.gramfort@inria.fr</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"> External Email - Use Caution <br>
<br>
hi Irina,<br>
<br>
you should give us for details. What conditions / statistical test you<br>
have in mind?<br>
is it at the group level ?<br>
<br>
you can find on the mne.tools website some examples eg using<br>
spatio-temporal cluster level stats.<br>
<br>
HTH<br>
Alex<br>
<br>
<br>
On Tue, Feb 4, 2020 at 2:05 PM Irina Anurova <<a href="mailto:anurova.irina@gmail.com" target="_blank">anurova.irina@gmail.com</a>> wrote:<br>
><br>
> External Email - Use Caution<br>
><br>
> Dear friends,<br>
> I would like to proof reliability of a source reconstructed with dSPM. How to apply correction for multiple comparison (FDR or cluster-size) at the source level? How to setup a threshold for significant activation?<br>
> Thank you very much for your help,<br>
> Irina<br>
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