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Comparison of REM and Non-REM Sleep
Sleep is broadly divided into two distinct types: Rapid Eye Movement (REM) and Non-Rapid Eye Movement (NREM) sleep. These categories are differentiated by physiological characteristics such as eye movement, brain wave patterns, and muscle tone. Understanding these differences is fundamental to sleep science.
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Ch.4 States of Consciousness - Psychology @ OpenStax
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Non-Rapid Eye Movement (NREM) Sleep
Rapid Eye Movement (REM) Sleep
Hypnogram
Beta Waves
Comparison of REM and Non-REM Sleep
Brain Wave Frequency
Brain Wave Amplitude
Visual Representation of Brainwaves in Sleep Stages
A sleep researcher observes a participant's brain wave activity. At one point in the night, the readout shows low-frequency, high-amplitude waves. Later, the readout shows high-frequency, low-amplitude waves, similar to an awake state, accompanied by rapid eye movements. What is the most fundamental conclusion that can be drawn from these distinct patterns?