Cyclical alternating pattern

Cyclical Alternating Pattern occurs in sleep. Characterized as periodic episodes of aroused EEG activity (more Sleep spindles and K-complexes) followed by a period of more quiet sleep. Both these periodic activities, when combined, are considered the CAP period. CAP does not occur in REM. This psychology-related article is a stub. Puedes ayudar a la Wiki de Psicología expandiéndola.