Examlex
What is an X-ray burster? What causes the X-ray bursts?
States of Consciousness
The different levels of awareness and wakefulness individuals experience, including wakefulness, sleep, dreaming, and altered states such as meditation or hypnosis.
Slow-Wave Sleep
A term used for both stage 3 and stage 4 sleep; characterized by slow, rolling eye movements, low cortical arousal, and slowed heart rate and respiration.
Stage 1 Sleep
The initial phase of the sleep cycle, characterized by light sleep, easy wakefulness, and a decrease in bodily movement and heart rate.
Reticular Activating System
A network of neurons located in the brainstem that plays a key role in regulating wakefulness, alertness, and transitions between sleep and wakefulness.
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