Fig. 2
From: Classifying oscillatory brain activity associated with Indian Rasas using network metrics

Brain rhythms depict the primary five waveforms. The figure shows various frequencies present in the \(\text {EEG}\) signal. Delta band (1–4 Hz) depicts lowest frequency waves, followed by theta band (4–7Hz), alpha band (8–13 Hz), beta band (13–30 Hz) and gamma band (30–45 Hz)