query

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shaman
Posts: 8
Joined: 04 Feb 2014, 09:16

query

Post by shaman » 04 Jul 2014, 04:55

hi friends
i have acquired a 64 channel eeg signal. i see a signal with tags such as c3-p3, f3-c3 etc.
what exactly does this mean??
My aim is to obtain an individual signals from c3,c4,cz positions.
kindly help
thank you

boulay
Posts: 382
Joined: 25 Dec 2011, 21:14

Re: query

Post by boulay » 04 Jul 2014, 09:13

c3-p3 is probably the difference between the signal from those channels. Either your hardware or your software is doing bipolar acquisition. This can be useful in certain circumstances, but it is not typical with 64-ch EEG. I would guess that somewhere in the software there is a way to tell the system to do monopolar acquisition.

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