The alpha rhythm is the most prominent EEG pattern when an adult is
A)in REM sleep.
B)in non-REM sleep.
C)awake and relaxed with eyes open.
D)awake and thinking hard about something.

Question

Quizplus · Accepted Answer

The alpha rhythm is a slow wave pattern that occurs in the range of 8-13 Hz and is most prominent when an adult is awake and relaxed with their eyes open. It can also be present during quiet wakefulness with eyes closed, but it disappears when engaging in mental activity or when the eyes are closed tightly. Therefore, option C is the best choice.

The Alpha Rhythm Is the Most Prominent EEG Pattern When