10-20 system and mobilab

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nadoona
Posts: 14
Joined: 10 Aug 2007, 15:31

10-20 system and mobilab

Post by nadoona » 12 Sep 2007, 14:15

Hi all,
we bought mobilab package but we don't get accurate results. Could anybody help us in knowing where to put the ground and reference electrodes especially because our cap doesn't have any hole near the ear?
We are trying to run p300 speller

Thanks

gschalk
Posts: 615
Joined: 28 Jan 2003, 12:37

P3Speller ...

Post by gschalk » 14 Sep 2007, 09:15

Nadoona,

You can put the ground to the position closest to the ear on one side, and the reference on the same position on the other side of the head.

In general, there are quite a few things you have to set up correctly to get good BCI results. The initial and probably most important requirement is that you get good EEG signals. I strongly suggest you consult with somebody with EEG experience to make sure you get good recordings before you proceed.

Gerv

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