Re: EEG SMT CH1+ CH1- CH2+ CH2-

I am not the right person to answer that very deeply. They have positive
and negative cables for each channel. Place them symmetrically on head ie.
left side of forehead temple the CH1- and right side the CH1+ and then near
left ear CH2- and near right ear CH2+ respectively depending what your aim
is to measure.


2014-07-07 6:29 GMT+03:00 ventolinmono <[email protected]>:

> Hi.
> New in EEG.
>
> In the EEG-SMT (Open EEG) What do the labels CH1+, CH1-, CH2+, CH2-, mean?
> Are they four separate channels?
> Why not label them CH1, CH2, CH3, and CH4?
> Why the + and - signs?
>
> Besides that I found in Wikipedia that DRL means: Driven Right Leg Circuit.
>
> Posted this question on Olimex's forums two weeks ago and no answers:
> https://www.olimex.com/forum/index.php?topic=3365.msg14101#msg14101
>
> Gracias.
>
>
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Open source business process management suite built on Java and Eclipse
Turn processes into business applications with Bonita BPM Community Edition
Quickly connect people, data, and systems into organized workflows
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