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EmoReact_Display

PyQt5 generated interface for displaying changes in processed physiological signals (EEG, ECG, GSR).


Interface:

display.png

As can be seen in picture above, app enables user to change:

  • Picture of visual stimulus
  • Test subject
  • EEG channel
  • Frequency band

After applying changes, user can export data into csv file (including HRV parameters which are not dispalyed).

Signal processing

EEG signals

Raw signal

eeg_before.png

Processed signal - Power Sepctral Density eeg_PSD.png

Signal after ICA algorithm - used to clear ocular artifact: note: channel 19 is ECG signal, all the other are EEG

EEG_cleared_ICA.png

ECG Signal

Raw signal:

ecg_before.png

Filtered signal - RR peaks detected:

ecg_after.png