[FieldTrip] plv and sourceanalysis

jan-mathijs schoffelen jan.schoffelen at donders.ru.nl
Thu Apr 7 14:29:54 CEST 2011


Dear Stan,

Here is my take on it:

> Speaking of plv, two weeks ago I sent out a question regarding plv,  
> but I don't recall getting any responses. My questions were:
>
> 1) By ignoring the phasor magnitudes when summing over trials, isn't  
> plv noisier than standard coherence that includes magnitudes?
>

Yes


> 2) By including the real part isn't plv often dominated by volume  
> conduction that can be avoided by just looking at the imaginary part  
> of coherence (sadly the imaginary part may be hard to interpret and  
> it ignores the non-volume conducting contributions to the real part).

I agree. What's the question here?

Best wishes,

Jan-Mathijs



More information about the fieldtrip mailing list