Trouble getting any actual signals

Some background info:

  • New ganglion board and electrodes
  • Dry comb electrodes paired with Headset kit
  • MacOS

I've followed the headset tutorial, instead only having one electrode at the O1 region. Impedance of electrode got around ~220kohm as lowest. No matter what I seem to try, it appears as though the time series is just displaying noise with very high rms. Where should I go from here?

Comments

  • retiututretiutut Louisiana, USA
    edited December 2022

    In this case, I think the electrode is not making good contact with the skin. Also, the reference impedance is low but not great, so it may not be making great contact either.

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