[EEG] electrodes

[Josh Bailey]

Bit confused. The major difference between active/passive wiring is with 
active you of course have to ship the power up to the 'trode. I don't see 
any other major difference (i.e. I don't expect to see one)? What am I 
missing?

On Mon, 21 Dec 2009, Tracy Jacobs wrote:

> Hello group,
> 
> I was studying the instructions on the open EEG site for the case and  
> cabling again, and it looks like you hook up the cables a bit  
> differently for the active elctrodes that I made :
> 
> http://www.dcc.uchile.cl/~peortega/ae/
> 
> 
> 
> than you might want to do for the cap or for passive electrodes.
> 
> http://openeeg.sourceforge.net/doc/SimpleEEG/CaseCabling.html
> 
>   So, I'm not a little unsure  how to proceed with the wiring.
> 
> I made 4 of the PEdro's active electrodes, boards and all, and it  
> would be lovely to get them to work. But that's still only two channels,
> 
>   Mitch said to use his boards with mine for the 4 channel.  There is  
> enough room for 8 channels in this box, at least, if we can find the  
> boards.
> 
> 
> Tracy
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> 

-- 
Josh Bailey (josh at anarkiwi.com)