[Eeglablist] Cortical Area Calculation

Tarik S Bel-Bahar tarikbelbahar at gmail.com
Thu Apr 6 12:17:29 PDT 2017


Hello Ibtissem, some notes below.


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see multiple published articles that specify direct relations between
specific channel sets and cortical regions, usually in the context of
TMS.
See the below for example:

Automated cortical projection of EEG sensors: Anatomical correlation
...  L Koessler - ‎2009

You can also google search and "google scholar" search on a topic as follows:
 converting 10-20 electrode position to MNI (or Talairach)  coordinates
or converting 10-10 electrode position to MNI (or Talairach) coordinates
and you should be able to find some other resources.

It seems one can also do this automatically in Brainstorm, google the
page  below for more info.

Converting 10-20 System locations to (average) MNI template ...










On Thu, Apr 6, 2017 at 4:15 AM, Ibtissem KHOUAJA
<ibtissem.Khouaja at live.fr> wrote:
>
> Dear list,
>
>
> I want to ask about the appropriate method  to calculate a cranial surface
> delimited by a number of electrodes.
>
>
> I have the coordinates of my 128 electrodes.
>
> I'm not sure if the polyarea function gives me the best result.
>
>
>
> Thanks a lot for your help!
>
> Best
>
>
> Ibti
>
>
>
> ----------------------------------------------------------
> ----------------------------------------------------------
> Ibtissem KHOUAJA BENFRADJ
> PhD in computer science
> Speciality: Biomedical Signal Processing
> Laboratory: LTIM, University of Monastir, Tunisia
> http://www.labtim.org/accueil.php
> Laboratory: LIGM, Univerisity of Paris-East, France
> http://ligm.u-pem.fr/
>
>
>
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