QuestionSBA
QuestionChoice
The suprachiasmatic nucleus controls the circadian rhythm, meaning it controls the regulation of sleep across 24 hours. Circadian rhythm is affected by both light and melatonin. It does not control REM atonia.
10007701
b
Suprachiasmatic nucleus
QuestionChoice
This structure stabilizes the sleep wake switch. It does not control REM atonia during sleep states.
10007704
e
Hypothalamic orexin
QuestionChoice
This structure inhibits the ascending arousal system during sleep. It does not control REM atonia.
10007703
d
Ventrolateral preorbital nucleus
QuestionChoice
This structure is located in the brainstem and controls REM atonia, thus causing you to be paralyzed in sleep.
10007700
a
Locus Coeruleus
QuestionChoice
This is an excitatory neurotransmitter that interacts with nuclei in the midbrain during sleep. It does not control REM atonia.
10007702
c
Hypocretin
Concept
Chapter
2693
4310
Phases of sleep
Topic
152
Neuroscience
14087
A 22-year-old female attends her GP surgery after experiencing a frightening episode of sleep paralysis. She recalls being asleep but unable to move her body.

Which part of the brain controls REM atonia?
a