Concomitant tDCS and EEG

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Jochen
Posts: 3
Joined: Thu Nov 26, 2015 2:39 pm

Concomitant tDCS and EEG

Post by Jochen » Wed Jan 25, 2017 3:05 pm

Hello,

I am trying to use the BioSemi active two EEG system during tDCS stimulation (1mA; Neuroconn tDCS plus) but it seems, that after a while some of the EEG-electrodes close to the stimulation electrodes get saturated (offsets are off scale and the channels do not seem to yield EEG signals). This lasts on during stimulation and for a while (up to minutes) after. So i wanted to ask, if this is normal, or if there is anything i can do to prevent this.
Thank you very much in advance for your help.

Best regards,
Jochen

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