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Table 1 Frequencies corresponding to four-level decomposition of an EEG signal

From: Wavelet-based study of valence–arousal model of emotions on EEG signals with LabVIEW

Sub-bands Frequency range (Hz) Corresponding to EEG frequency band
D1 64–32 Gamma
D2 32–16 Beta
D3 16–8 Alpha
D4 8–4 Theta
A4 4–0 Delta