[Mne_analysis] compute_source_psd_epochs()

[Alexandre Gramfort]

hi Vincent,

looks like your problem is fixed. Thanks Martin.

https://github.com/mne-tools/mne-python/pull/550

Best,
Alex

On Tue, Apr 2, 2013 at 7:13 PM, Martin Luessi
<mluessi at nmr.mgh.harvard.edu> wrote:
> Hi Vincent,
>
> You are correct, the loaded label isn't used at all. It must be a "copy
> paste artifact" from when the example was created.
>
> To your question, if you want to use multiple labels, you can just
> combine them using "+", e.g.,
>
> label_both = label_lh + label_rh
>
> and then pass label_both to compute_source_psd_epochs using the label
> parameter. The resulting SourceEstimate will contain the PSD for all
> labels (the union of all the source space vertices in the labels). Let
> me know if you need help splitting the data into the labels again (it's
> a few lines of Python code).
>
> I hope this helps.
>
> Martin
>
> On 04/02/13 12:47, Vincent Rupp Jr. wrote:
>> Greetings,
>>
>> There is an example script called "Compute Power Spectral Density of
>> inverse solution from single epochs" at
>> http://martinos.org/mne/auto_examples/time_frequency/plot_compute_source_psd_epochs.html#example-time-frequency-plot-compute-source-psd-epochs-py.
>>
>>
>> I noticed that after defining and loading the label into memory, it is
>> never mentioned again. Line #60 of the script says "compute source space
>> psd in label" and involves calling the compute_source_psd_epochs()
>> function, but the label variable is never passed into it as an argument.
>> Does this function automatically seek a previously defined variable
>> called label? Are there any options for what labels, how many labels,
>> etc., can be fed into it?
>>
>> I want to load a label like lh.BA45.label, but I want it to perform the
>> psd computations on /both/ hemispheres. So far it seems like you can
>> only load one hemisphere at a time.
>>
>>
>> Best wishes,
>>
>> Vincent Rupp Jr
>>
>>
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>
>
> --
> Martin Luessi, Ph.D.
>
> Research Fellow
>
> Department of Radiology
> Athinoula A. Martinos Center for Biomedical Imaging
> Massachusetts General Hospital
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