Search found 2 matches

by kyungho
Mon Oct 23, 2017 3:16 pm
Forum: EEG data analysis
Topic: slow drifting on EEG
Replies: 5
Views: 56375

Re: slow drifting on EEG

Dear Coen,

Sorry for my ignorance. I think I made a big mistake.

Can I ask you very very basic things?

According to my understanding,

The signal appearing without referencing is voltage-difference between electrodes and CMS, and it's not supposed to be used

In other words, if I want to use left ...
by kyungho
Sun Oct 22, 2017 6:30 am
Forum: EEG data analysis
Topic: slow drifting on EEG
Replies: 5
Views: 56375

slow drifting on EEG

Dear all,

Hello, I am posting my issue for any help :)

Now I am conducting P300 BCI speller paradigm, and some parameters are set as below:

bandwidth: [0.1 70] Hz,
Notch: 60 Hz
Fs: 512Hz
Channel: 32 (MK2 box, pin type electrodes) + 5 EXG(ECG, EOG, EMG)
Reference: CMS electrode to left ear ...