[EEG] photolog OpenEEG notes - 12/6

Andreas Stadler rain at meta-mind.de
Sun Dec 6 21:50:38 PST 2009


some visual notes of the meeting and the EEG Neurofeedback session

-Andreas


Josh Bailey wrote:
> * Referendum on reference electrodes.
> 
> OpenEEG and derivatives have two electrodes per channel, no shared ground 
> reference. We want shared ground. John, Josh opine that should be able to 
> tie -tve op-amp inputs together board-side. Andreas has tried electrode 
> side but Josh, John opine this will create a noisy ground loop.
> 
> Next step - try to short it board side and see.
> 
> * Josh needs to bring narrow-gauge shielded cable for OpenEEG to cap 
> connectors.
> 
> * Intermediate goal for cap is to build 4/6 channel system, adapt OpenEEG 
> for shared ground. If it works go big for 20 channel, with redesigned 
> system.
> 
> * Also need 2-channel development mess around system. Maybe OpenEEG.
> 
> * Need a better shelf (as in bigger).
> 

-------------- next part --------------
A non-text attachment was scrubbed...
Name: nb-eeg-photolog_091206.zip
Type: application/x-zip-compressed
Size: 1304775 bytes
Desc: not available
Url : http://www.noisebridge.net/pipermail/neuro/attachments/20091206/4f47285c/attachment-0002.bin 


More information about the EEG mailing list