Table 2.

Features definitions in time domain.

Symbols	Notation	Equations
TNδ	Number of δ rhythmic waveforms	ave⁡{TNδ(C3), TNδ(C4)}
TNθ	Number of θ rhythmic waveforms	ave⁡{TNθ(C3), TNθ(C4)}
TNα	Number of α rhythmic waveforms	ave⁡{TNα(O1), TNα(O2)}
TNβ	Number of β rhythmic waveforms	ave⁡{TNβ(C3), TNβ(C4)}

δ: 0.5–2 Hz; θ: 2–7 Hz; α: 8–13 Hz; β: 13–30 Hz; T: 0.5–30 Hz.