Find absolute, relative, and mean power of theta, beta and TBR (theta/beta ratio)
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I have raw eeg data that I need to find the absolute, relative, and mean power of the theta and beta bands and theta/beta ratio. I have attached the data file. The data was taken from OpenBCI and imported into MatLab. Please advise how I can do this as I have over 40 file I have to analyze the same. Thank you in advance.
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Star Strider
2020-9-27
Once you have the filtered signals, square them (using the element-wise exponentiation operator .^, so vector ‘x’ would be ‘x.^2’ to convert amplitude units to power units).
To process your files, see Import or Export a Sequence of Files, and Read Collection or Sequence of Text Files.
I must leave to you how best to read those files, since I have no idea what the format is.
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Star Strider
2020-10-13
There is no need to do that.
There are several posts on MATLAB Answers that filter EEG appropriately it (I wrote at least some of them). After you filter them, do whatever processing you need to do on the results.
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