Sleep Stages
EEG
Neuro
transmitters
Dream Theories
Potpourri
100
Stage in which you are most likely to dream
What is REM sleep?
100
Predominant waveform in alert state with eyes open
What is beta?
100
Neurotransmitter most active during REM sleep
What is acetylcholine?
100
Dream theorist who said, "Dreams are the royal road to the unconscious"
Who is Freud?
100
Unusual aspect of dolphin's sleep; can be seen on the EEG
What is unihemispheric sleep?
200
REM means this.
What is Rapid Eye Movement?
200
Predominant waveform during meditation or with eyes closed
What is alpha?
200
Aminergic neurotransmitters with low activity during REM sleep
What are serotonin and norepinephrine?
200
Dream theory advocating content analysis over interpretation of dreams
What is the neurocognitive theory/model?
200
Newborn nfants spend this much time (in hours or percentage of sleep) in REM
What is up to 8 hours or 50% of sleep?
300
Stage in which you get your deepest sleep
What is Stage 4 (aka Slow Wave Sleep)?
300
Waveform shown during Stages 2-3; evident during concentration and deep inward thought.
What is theta?
300
Also a hormone, this neurotransmitter facilitates sleep; is produced in the pineal gland
What is melatonin?
300
This theorist said dreams contain archetypes as part of a collective unconscious
Who is Carl Jung?
300
Hormone shown to facilitate attachment; peak levels occur during 2nd half of night
What is oxytocin?
400
Definitive onset of sleep occurs during this stage
What is Stage 2 sleep?
400
Two primary characteristics measured in EEG waveforms.
What are frequency and amplitude?
400
Neurotransmitter implicated in epilepsy - it has 2 names; either will do
What is orexin OR hypocretin?
400
States that brain self-stimulates during REM and dreams are brain’s attempt to find meaning in random neural firing
What is activation-synthesis theory?
400
Heteroplastic theories emphasize this important function of sleeping
What is learning/memory consolidation?
500
Length of a complete cycle through all stages of sleep
What is 90 minutes?
500
EEG feature during Stage 2, indicative of sleep onset
What is a sleep spindle?
500
Most insomnia meds approved by FDA influence this neurotransmitter; it is the most prevalent inhibitory neurotransmitter in the nervous system
What is GABA?
500
Deidre Barrett wrote "The Committee of Sleep" about the collaborative effort during dream states to accomplish this task
What is problem solving or creativity?
500
Early Greek god of medicine, priests built temples to him and had patients "incubate" solutions to their illnesses by dreaming
Who was Aesclepius?
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