[Eeglablist] registering GSN 128 electrode coordinate to international 10-10 system coordinate

[Sebastian Sauppe]

Hi Jody

oh, ok. In this case, I‘d contact EGI and ask them to provide a mapping.

— Sebastian 

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Sebastian Sauppe
https://sites.google.com/site/sauppes/

> Am 30.08.2018 um 00:51 schrieb Jody Zhou <jodzhou at ucdavis.edu>:
> 
> Hi Dr. Sebastian,
> 
> Thanks for the link. However, the analysis electrode montage is the HydroCel GSN electrode.  our lab uses GSN 200 (Geodesic Sensor Net), instead of HCGSN (HydroCel Geodesic Sensor Net) to record EEG data. 
> 
> according to the GSN technical manual   https://f-origin.hypotheses.org/wp-content/blogs.dir/2484/files/2015/05/geodesic-sensor-net.pdf   "The GSN 200 models have different sensor layouts (see Appendix B, "Net Sizing and Sensor Layouts”) because the HCGSN is designed to provide more coverage of lower sections of the head. Consequently, EEG files acquired with the older GSN 200 are incompatible with those acquired with the newer HCGSN"
> 
> I also have learned that the layout of the GSN 200 and the HCGSN model are slightly different. so I don't think I can use the montage map of HCGSN on the 10-10 system. 
> 
> 
> 
> Best
> Jody 
> 
> 
> 
> 
> 
>> On Wed, Aug 29, 2018 at 12:08 PM, Sebastian Sauppe <sauppe.s at gmail.com> wrote:
>> Hi Jody,
>> 
>> EGI has a technical document that describes how their electrode montage maps to the 10-10 system: https://www.egi.com/knowledge-center/item/62-relating-the-hcgsn-sensor-positions-to-the-10-10-international-electrode-placement-system
>> 
>> Best,
>> Sebastian
>> 
>> -----------
>> Dr. Sebastian Sauppe
>> Department of Comparative Linguistics, University of Zurich
>> Homepage: https://sites.google.com/site/sauppes/
>> Twitter: @SebastianSauppe
>> Google Scholar Citations: https://scholar.google.de/citations?user=wEtciKQAAAAJ 
>> ResearchGate: http://www.researchgate.net/profile/Sebastian_Sauppe
>> ORCID ID: http://orcid.org/0000-0001-8670-8197
>> 
>> 
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