): Prominent in the posterior head regions during relaxed wakefulness with eyes closed. Theta Waves (
REM is often called "paradoxical sleep" because the EEG pattern closely resembles wakefulness (low-amplitude, high-frequency mixed waves). PubMed Central (PMC) (.gov) Physiology: eeg and sleep physiology ppt
): Slower waves associated with light drowsiness, meditation, and early sleep. Delta Waves ( ): Prominent in the posterior head regions during