A1, A2, and Neurolines disposable electrodes

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Postby somnonaut » Sat Nov 11, 2006 5:52 pm

Mairi2 and Steves,
Do you have links or references for the actual re-numbering? I searched ASET and could not find anything.
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Postby steves » Sat Nov 11, 2006 7:12 pm

I looked on-line but could not find anything. But the neurologist I sometimes work around mentioned it in passing and I was a little confused until I found it referred to in the 2nd edition of Sleep Medicine Pearls page 315.

I'll see if I can get something more specific.
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found this

Postby steves » Wed Nov 22, 2006 2:50 pm

So far all I could find with the electrodes labeled is on page 9 of this:

ftp://ftp.egi.com/pub/documentation/tec ... itions.pdf

Page 5 mentions the changes as being according to the American Electroencephalographic Society guideline.

Hope this helps.
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Postby somnonaut » Wed Nov 22, 2006 5:48 pm

I have asked my EEG dept and they did not hear of this. They also have still brand new still packaged XL-Tek EEG machines, and those head boxes are labelled the old way. So, I have no idea still.
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found this

Postby steves » Wed Nov 22, 2006 11:31 pm

probably places that are not performing higher density EEG's still use the older terminology. And I guess that would by and large be us in sleep medicine.

There are some schematics on this web page for both.

http://www.edfplus.info/specs/edftexts.html
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Re: A1, A2, and Neurolines disposable electrodes

Postby eegbeginner » Fri Apr 24, 2015 4:07 pm

Hello everyone,
I wanted to ask you if there are any equivalents to the A1,A2 electrodes of the 10 20 system to the 256 electrode system?
Which electrodes form the 256 systems could I pick to match the A1,A2?
Thankyou very much in advance.
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Re: A1, A2, and Neurolines disposable electrodes

Postby somnonaut » Fri Apr 24, 2015 11:57 pm

With so many sites (256) just picking the closest to M1, M2 should suffice for the generalized thing called sleep.
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