How can I decompose the alpha, beta, gamma & theta bands using matlab for a 14-channel raw EEG data?

Good day, do you guys have a sample code for decomposing the alpha, beta, gamma, and theta bands using matlab? I am using 14-channel eeg emotiv epoc+. Thank you!

Answer 1

[Star Strider]

One option:

https://www.mathworks.com/matlabcentral/answers/311687-hi-all-i-m-having-trouble-to-get-transfer-function-for-these-sub-band-frequency

Make appropriate changes for your signals.

If you have R2018a or later, a good alternative is to use the bandpass (link) function for each band. If you use the second (or ‘d’ output), use the filtfilt (link) function to do the actual filtering with it.