Guidance Needed for Analyzing Granger Causality of Brain Signals in DEAP Database

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5

It seem you data is just a Matlab matrix with dimensions [nTrials, nChannels, nSamples] if this is the case it is possible to directly review them in Brainstorm.

  1. Data must be permuted to have the shape: [nChannels, nSamples, nTrials]
  2. Review the data in Brainstorm selecting the format: EEG: Matlab matrix (*.mat)
  3. Select the .mat file with the data
  4. Select the proper orientation [nChannels, nSamples], sampling frequency and units
    A raw folder will be created for each of the trials

More info:
https://neuroimage.usc.edu/brainstorm/Tutorials/ChannelFile#Link_the_raw_files_to_the_database