A) Unconscious states that occur each night during sleep
B) Conscious states that are disordered
C) Potentially non-reversible unconscious states due to brain trauma or damage.
D) Potentially reversible conscious states due to disease

A) Lack of sleep-wake cycles
B) Severe damage to both hemispheres of the cortex, both thalami, and the brainstem
C) Complete loss of spontaneous arousal
D) All of the above

A) Anesthesia contains many substances including agents that produce memory loss while Slow Wave Sleep does not include the production of memory loss
B) Slow Wave Sleep slows down brain processes throughout the brain while anesthesia slows down brain processes just in the cortex
C) Slow Wave Sleep induces atonia, a brief paralysis, while anesthesia does not
D) All of the above