The characteristic EEG recording obtained from subjects who are relaxed with their eyes closed is called the
A) alpha.
B) beta.
C) delta.
D) gamma.

Question

Quizplus · Accepted Answer

The alpha wave is the characteristic EEG recording obtained from subjects who are relaxed with their eyes closed. This rhythmic activity has a frequency of 8-12 Hz and is most prominent over the occipital cortex. Beta waves have a higher frequency and are associated with alertness and concentration. Delta waves have a lower frequency and are associated with deep sleep. Gamma waves have a higher frequency and are associated with perceptual processing and cognition.

The Characteristic EEG Recording Obtained from Subjects Who Are Relaxed