[Mne_analysis] Discrepancy between ICA plots?

[Alexandre Gramfort]

there is no constraint in ICA that the components are zero mean or
have a specific offset

look at the code if you have a doubt. Bugs are always an option but I
am not convinced there is one.

Alex

On Fri, Feb 3, 2017 at 10:39 AM, Lorenzo Alfine
<lorenzo.alfine at gmail.com> wrote:
> Hi Alexandre,
> thank you for your reply. What we don't get is why the topomap is mainly
> blue. Since the positive peaks are way higher in amplitude than the negative
> ones, shouldn't the map be strongly red in the frontal part and
> light-blue/white-ish (instead of dark blue) at the rest of the scalp? Am I
> overlooking something?
> Thank you,
>
> Lorenzo Alfine
>
> On 2 February 2017 at 21:21, Alexandre Gramfort
> <alexandre.gramfort at telecom-paristech.fr> wrote:
>>
>> hi,
>>
>> > I'm getting confused looking at the topomap, though. Shouldn't it be
>> > red-ish? It is widespread and blue and it seems not to reflect  the data
>> > shown on the right!
>>
>> everything looks ok to me. You see the red blobs over the eyes so it
>> should
>> match your intuition (more positive over the eye)
>>
>> Alex
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