When you're awake and alert, an EEG shows a pattern of high -frequency, low -amplitude oscillations known as______ . When you're awake but resting, the EEG shifts to a new pattern of Lower -frequency, higher -amplitude waves known as______ .
A) delta waves : theta waves
B) beta waves : alpha waves
C) theta waves : delta waves
D) sigmoid waves : electromagnetic waves
E) alpha waves : beta waves

Question

Quizplus · Accepted Answer

When you're awake and alert, the EEG typically shows beta waves, which are high-frequency, low-amplitude oscillations. When you're awake but in a relaxed state, such as with your eyes closed, the EEG shifts to show alpha waves, which are lower-frequency, higher-amplitude waves.

When You're Awake and Alert, an EEG Shows a Pattern