[Mne_analysis] Compute source power spectral density (PSD) in a label

[Vivek Sharma]

        External Email - Use Caution        

Thanks.

On Sat, Dec 28, 2019 at 4:14 PM Alexandre Gramfort <
alexandre.gramfort at inria.fr> wrote:

>         External Email - Use Caution
>
> yes this should be correct
>
> Alex
>
> On Fri, Dec 27, 2019 at 11:38 PM Vivek Sharma
> <vivek.sharma1510 at gmail.com> wrote:
> >
> >         External Email - Use Caution
> >
> > Hi,
> > In continuation with the above query.
> > If during the compute of psd the option db is set as false then how it
> can be plotted in db.
> > stc = compute_source_psd(raw, inverse_operator, lambda2=1. / 9.,
> method="dSPM",
> >                          tmin=tmin, tmax=tmax, fmin=fmin, fmax=fmax,
> >                          pick_ori="normal", n_fft=n_fft, label=label,
> >                          dB=False)
> >
> > To plot power in db I did the following change in code:
> > plt.plot(stc.times, 10*np.log10(stc.data.T))
> > I need validation for the changes I have made.
> >
> > On Thu, Dec 26, 2019 at 2:08 AM Vivek Sharma <vivek.sharma1510 at gmail.com>
> wrote:
> >>
> >> Hi,
> >> In the following example
> >> (
> https://mne.tools/stable/auto_examples/time_frequency/plot_source_power_spectrum.html
> )
> >> why are we multiplying stc.times and stc.data.T by 1e3?
> >>
> >> Secondly, I would like to bring it to notice that in the same example
> the plot that is being obtained shows frequency as 10000, 20000, etc. and
> the unit is represented as Hz which I believe is wrong as it should be
> millihertz.
> >> I try to keep the frequency in Hz by making the following change in the
> code.
> >> plt.plot(stc.times, (1e3 * stc.data.T))
> >> is the change valid?
> >>
> >> --
> >> Vivek Sharma
> >
> >
> >
> > --
> > Vivek Sharma
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-- 
Vivek Sharma
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