[FieldTrip] Total-Evoked Power

[MUSTAFA YAVUZ]

Dear Jan-Mathijs,
Thank you for your kind and quick answer.

Best wishes,
Mustafa

Schoffelen, J.M. (Jan Mathijs) <jan.schoffelen at donders.ru.nl>, 26 Ağu 2020
Çar, 09:59 tarihinde şunu yazdı:

> Dear Mustufa,
>
> Yes indeed. What you call ’total power’ is obtained by averaging the
> single trial powerspectra. To that end you call ft_freqanalysis on data
> that has the single trials represented. What you call ‘evoked power’ is
> obtained by calling ft_freqanalysis on a data structure that has passed
> through ft_timelockanalysis first.
>
> Best wishes,
> Jan-Mathijs
>
> > On 10 Aug 2020, at 14:01, MUSTAFA YAVUZ <m.yavuz.18 at ogr.iu.edu.tr>
> wrote:
> >
> > Hi all,
> >
> > I'm trying to produce two power spectrums for so-called ''total'' and
> ''evoked'' power. For total power, should I first do ft_freqanalysis for
> each trial of each subject and then average them or, should I first use
> ft_timelockanalysis to produce averages for each subject and then use
> ft_freqanalysis?
> >
> > Thank you in advance,
> > Mustafa.
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> > https://doi.org/10.1371/journal.pcbi.1002202
>
>
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