[Eeglablist] From Unipolar to Bipolar Montages

[Delorme, Arnaud]

Dear Massimo,

It is possible to do that through the EEGLAB interface (menu item Tools > Reference) - although not convenient because you have to do it one channel at a time.

To do so, you would have to select a given one channel (i.e. exclude all others from referencing) and set the reference to another channel. Then in the channel editor (menu item Edit > Channel location) you can check your bipolar/daisy chain montage (C3 referenced to CZ, CZ referenced to C4, etc…).

Best wishes,

Arno

> On May 3, 2020, at 4:08 AM, Massimo Valerio <massimo.valerio at unito.it> wrote:
> 
> Dear Scott Smakeig,
> I see the EEG in bipolar mode during my clinical activity. I learned almost
> exclusively to report the EEG in this way. I work in a pediatric hospital
> and I use several different bipolar montages. I'm new also in matlab
> coding. I will try to follow your advice but I was hoping to find a tool.
> Thanks for your help. Massimo Valerio
> 
> Il giorno sab 2 mag 2020 alle ore 22:58 Scott Makeig <smakeig at ucsd.edu> ha
> scritto:
> 
>> Massimo -
>> 
>> I have not heard such a request before, and do not believe there is an
>> EEGLAB tool dedicated to doing this, though a function or script for doing
>> this in a fixed way should not be difficult to write.
>> 
>> Scott Makeig
>> 
>> On Fri, Apr 24, 2020 at 11:30 AM Massimo Valerio <massimo.valerio at unito.it>
>> wrote:
>> 
>>> Hi, I'm newuser of EEGLab.
>>> Please, could you give me information about to visualize through Plot >
>>> Channel Data (scroll) the EEG in unipolar montage to bipolar (example,
>>> longitudinal montage). I tried to look for extensions and plugin in EEGLab
>>> without success. Thanks and regards.
>>> Massimo Valerio
>>> 
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>> 
>> --
>> Scott Makeig, Research Scientist and Director, Swartz Center for
>> Computational Neuroscience, Institute for Neural Computation, University of
>> California San Diego, La Jolla CA 92093-0961, http://sccn.ucsd.edu/~scott
>> 
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