I'm a complete newbie but I am interested in buying one of the OpenBCI boards for my research project, which involves conducting surface EMG / EEG of various cranial nerves to detect facial movements (ideally also imagined movements). I've read all the getting started guides and the forums, but I wanted to ask a few questions to check that this is theoretically possible with the OpenBCI boards (or even at all). Appreciate any comments or advice!
1) 8 vs 16 channels:
If I buy a 8 channel Cyton board, can I later buy a second 8 channel cyton board and will that be equivalent to having a Cyton + Daisy board (or can it be easily made to be?)
2) Is there any difference in how the Cyton treats EMG/EEG/ECG signals at the raw signal level? i.e. can I use all the channels for EMG rather than EEG? (It appears so from the tutorials?)
3). Is the raw signal coming into my computer filtered at the hardware level in any way? e.g. are any artifacts (e.g. eye blinks or 50Hz electrical background).
4) is the Cyton board significantly better than the Ganglion wrt noise? Seems that there is a difference between reported noise on Ganglion (AD8237) vs Cyton (ADS1299)?http://alexandre.barachant.org/blog/2017/03/02/Hands-on-OpenBCI-Ganglion.html
5) which electrodes are most appropriate? gold or the snap electrode cables?
Appreciate any advice!