Stage 2 sleep is marked by the appearance of _______, trains of spikes in the EEG, and also larger single spikes called _______.
A) K complexes; sleep spindles
B) K complexes; delta waves
C) sleep spindles; delta waves
D) sleep spindles; K complexes

Question

Quizplus · Accepted Answer

Stage 2 sleep is characterized by the presence of sleep spindles, which are trains of spikes in the EEG, and K complexes, which are larger single spikes.

Stage 2 Sleep Is Marked by the Appearance of _______