[Mne_analysis] Stimulus-evoked data connectivity

[David I Leitman]

Hi Dennis,

 I don’t mean to bud in, but a quick question

are both of these examples

http://www.martinos.org/mne/stable/auto_examples/connectivity/plot_mne_inverse_connectivity_spectrum.html#sphx-glr-auto-examples-connectivity-plot-mne-inverse-connectivity-spectrum-py <http://www.martinos.org/mne/stable/auto_examples/connectivity/plot_mne_inverse_connectivity_spectrum.html#sphx-glr-auto-examples-connectivity-plot-mne-inverse-connectivity-spectrum-py>
http://www.martinos.org/mne/stable/auto_examples/connectivity/plot_cwt_sensor_connectivity.html#sphx-glr-auto-examples-connectivity-plot-cwt-sensor-connectivity-py

calculating phase connectivity  across trials that is- wPLI is calculated from the phase angle difference distributions at a particular point across trials

or is one or both often calculating  phase angle differences from multiple points across the time from within each trial that is wPLI across time?  

thanks //dave
> 
> On Apr 12, 2017, at 9:08 PM, Denis-Alexander Engemann <denis.engemann at gmail.com> wrote:
> 
> Hi!
> You can checkout the "cwt_morlet" option to get time resolved connectivity. See this example http://www.martinos.org/mne/stable/auto_examples/connectivity/plot_cwt_sensor_connectivity.html#sphx-glr-auto-examples-connectivity-plot-cwt-sensor-connectivity-py <http://www.martinos.org/mne/stable/auto_examples/connectivity/plot_cwt_sensor_connectivity.html#sphx-glr-auto-examples-connectivity-plot-cwt-sensor-connectivity-py>
> 
> Hope that helps,
> Denis
> On Wed, 12 Apr 2017 at 15:02, daisy <smartcandies at 163.com <mailto:smartcandies at 163.com>> wrote:
> Hi All,
> 
> I have two questions when I compute source space connectivity. 
> 
> (1) Is mne.connectivity.spectral_connectivity designed for stimulus-evoked data ？(Because I notice that the example data was stimulus-evoked.)
> (2) I want to know whether the connectivity was changed over time. Can I compute the connectivity under different time window (eg: 100-150ms, 150-200ms after stimulus onset). Is it reasonable? 
> 
> Could anyone help me ?
> 
> Thank you so much.
> 
> -Best
> 
> Xiaoxu
> 
> 
> 
> 
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