An EEG is recording Joe's brain while he sleeps. The pattern of brain waves exhibits occasional short bursts of rapid, high-peaking waves, and he isn't disturbed by some of the noise the experimenter in the sleep lab makes during this time.

Question

Quizplus · Accepted Answer

The description of occasional short bursts of rapid, high-peaking waves is characteristic of stage 2 sleep, which is characterized by sleep spindles and K-complexes. During this stage, it is still relatively easy to be awakened by noise, but also relatively easy to fall back asleep afterwards.

An EEG Is Recording Joe's Brain While He Sleeps