[Mne_analysis] info about plot_psd on eopched data

[Alexandre Gramfort]

hi,

it's using multitapers

internally it's
http://www.martinos.org/mne/dev/generated/mne.time_frequency.psd_multitaper.html

I agree that doc at
https://martinos.org/mne/stable/generated/mne.Epochs.html#mne.Epochs.plot_psd
should be clarified.

Alex

On Thu, Nov 30, 2017 at 1:45 PM, Davide - Impulse <Davide at impulseresearch.be
> wrote:

> Dear all,
>
> I am using the plot_psd function to plot the power for different frequency
> bands in different conditions. This works fine, but I wonder how the
> function extracts power information, exactly? I understand that it computes
> the power for each epoch and gives the average in the output. But does it
> use a short-time Fourier transform with overlapping segments? How does the
> function deal with the "edges issue"? Is there any specific documentation
> on this function that I can find online?
>
> Thanks in advance,
>
> Davide
> ---
> Dr. Davide Rigoni
> Senior Research Consultant
> Impulse Research BVBA
> www.impulseresearch.be
>
>
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