Re: number of electrodes

Thanks Sharif.



-----Original Message-----
From: Sharif Olorin [mailto:[email protected]] 
Sent: Wednesday, February 25, 2015 4:41 PM
To: openeeg-list
Subject: Re: [Openeeg-list] number of electrodes

> Does anyone know why EEG systems have up to 24 electrodes and not more? what is the real limitation? Is it electronics?

Do you mean OpenEEG systems, or EEG systems in general? If the latter, most medical/research EEGs have more than 24 electrodes. I'm not sure about OpenEEG, but generalising from similar designs I'd guess it's something like a limitation imposed by the ADC chosen (number of channels), or just plain cost savings. I don't see any reason the design couldn't be modified to support more, it's certainly not a limitation in fundamental physics or anything.

HTH,
Sharif

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