[Mne_analysis] order_func and oscillations phase

[Alexandre Gramfort]

hi Laetitia,

can you share the images using dropbox, google drive
or an image sharing service as http://snag.gy/ ?

the ordering is based on correlations by default.

thx
Alex


On Wed, Nov 5, 2014 at 5:01 PM, Laetitia Grabot
<laetitia.grabot at gmail.com> wrote:
> Dear list,
>
> I have a question about the order_func used to reorder trials for
> visualisation. I'm looking at filtered trials, so after reordering I get a
> pattern of blue (troughs of oscillations) and yellow (peaks) bands.
> Sometimes the first ordered trials corresponds to a trough (as in the
> following example, where I order trials on [-100;+100]ms). Does it mean that
> in my epochs, there is at that time a majority of trials at the trough ? Or
> does it mean that the trials with largest amplitude corresponds to troughs
> of oscillations ?
> Actually, I don't understand very well with which parameters the ordering
> function is ordering trials (even if I read on the related paper that the
> ordering is done on the basis of "trials variability").
>
> Thanks a lot,
> Laetitia G.
>
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