#1
Which stage of sleep is associated with rapid eye movement (REM) and vivid dreaming?
Stage 1
ExplanationStage 1 is associated with REM and vivid dreaming.
#2
What is the term for the recurring inability to fall or stay asleep?
Insomnia
ExplanationInsomnia is the recurring inability to fall or stay asleep.
#3
During which stage of sleep are brain waves relatively fast and desynchronized, similar to those observed during wakefulness?
REM sleep
ExplanationREM sleep features fast, desynchronized brain waves similar to wakefulness.
#4
Which neurotransmitter is associated with the promotion of REM sleep and the inhibition of muscle movement during this stage?
Serotonin
ExplanationSerotonin is associated with promoting REM sleep and inhibiting muscle movement.
#5
Which hormone, released by the pineal gland, plays a crucial role in regulating the sleep-wake cycle?
Melatonin
ExplanationMelatonin, released by the pineal gland, regulates the sleep-wake cycle.
#6
What is the term for the phenomenon where a person experiences sudden muscle weakness or paralysis when falling asleep or waking up?
Sleep paralysis
ExplanationSleep paralysis is the phenomenon of sudden muscle weakness or paralysis during sleep transitions.
#7
Which hormone is primarily responsible for regulating the sleep-wake cycle?
Melatonin
ExplanationMelatonin is the primary hormone regulating the sleep-wake cycle.
#8
What is the term for the state of consciousness between wakefulness and sleep, often characterized by vivid sensory experiences?
Hypnagogia
ExplanationHypnagogia is the state between wakefulness and sleep with vivid sensory experiences.
#9
Which neurotransmitter is associated with promoting wakefulness and arousal?
Histamine
ExplanationHistamine is associated with promoting wakefulness and arousal.
#10
What is the term for the condition where a person stops breathing repeatedly during sleep?
Sleep apnea
ExplanationSleep apnea is the condition of repeated breath cessation during sleep.
#11
Which brainwave pattern is most prominent during deep, non-REM sleep?
Delta waves
ExplanationDelta waves are most prominent during deep, non-REM sleep.
#12
Which theory of dreaming posits that dreams are the brain's attempt to make sense of random neural activity?
Activation-synthesis theory
ExplanationActivation-synthesis theory suggests dreams result from the brain making sense of random neural activity.
#13
What is the term for the sleep disorder characterized by uncontrollable sleep attacks and sudden episodes of muscle weakness?
Narcolepsy
ExplanationNarcolepsy is a sleep disorder with uncontrollable sleep attacks and muscle weakness episodes.
#14
According to Freud's psychoanalytic theory, what is the function of dreams?
To fulfill unconscious wishes
ExplanationAccording to Freud, dreams fulfill unconscious wishes.
#15
Which brain structure is primarily responsible for generating REM sleep?
Pons
ExplanationThe pons is primarily responsible for generating REM sleep.
#16
Which brainwave pattern is associated with relaxed wakefulness and drowsiness?
Alpha waves
ExplanationAlpha waves are associated with relaxed wakefulness and drowsiness.