alleryStart learning →NREM stage 3 is called deep or slow-wave sleep because it is characterised by:
AHigh amplitude delta waves
BLow amplitude beta waves
CBrief theta wave bursts
DRapid alpha wave runs
Answer & Solution
Correct answer: A. High amplitude delta waves
1. Each sleep stage is named for the waveform that dominates it.
2. NREM stage 3 sleep is often referred to as deep sleep or slow-wave sleep.
3. This stage is characterized by low frequency, less than 3 Hz, high amplitude delta waves.
4. Theta waves and spindles belong to the lighter stages instead.
_Source: OpenStax Psychology 2e (CC BY 4.0), Ch 4 'States of Consciousness', sections 4.1-4.6_
Keep practising States of Consciousness
Browse all States of Consciousness questions for AP Psychology, or explore more Psychology topics.
Related questions
Complete the sleep scienceTrue or false: consciousnessTap what belongs to each stateMatch each sleep disorderStop on the right sleep stageFatigue, sluggishness and irritability are listed alongside insomnia as symptoms followingMeditation is described as the act of focusing on a single target in order to:Hypnosis is described as a state of extreme self-focus in which attention to external stim