RAW eeg


#1

Hi,

I have a question about MuseDataPacketType in SDK for Android. The EEG type, is it Raw FFT for each channel, which is in dB units? Or is it Raw eeg in micro volts units?

Thanks.


#2

It’s microvolts: http://developer.choosemuse.com/research-tools/available-data


#3

So after I read the documentation one more time, I’m pretty sure that EEG type is raw eeg in micro volts. But now I’m confused why are those values always around 800? I thought that brain activity is usually between 0-100 micro volt. Does anybody knows why it is around 800 micro volts?


#4

800 is the DC offset and 0:~1682 is the range in microvolts:
http://forum.choosemuse.com/forum/developer-forum/3728-spectrograms-with-python-matplotlib