C4. P5-6 Flashcards
Where is the suprachiasmatic nucleus located?
Hypothalamus
What does a Electrooculogram (EOG) do?
Measure eye movement
What are the waves produced when wake and engaged?
Beta waves (15-30/s)
What are the waves produced when awake and relaxed?
Alpha waves (8-10/s)
What waves are produced during NREM1?
Theta waves (4-7/s)
What is hypnagogic Sensory Hallucination?
Realistic hallucinations
What is NREM2?
Light sleep, 45-50% of sleep
What are sleep spindles?
Sleep spindles appear to inhibit internal processing to keep us sleeping
What are K complexes?
K-complexes suppress incoming external information
What are the waves produced in NREM3?
Delta waves (4/s)
Can you dream during NREM3?
Yes
What percentage of sleep is NREM3?
20-25% during first half of sleep
How did Endo test REM deprivation?
Woke up males preventing REM sleep, resulting in them being less alert and in a negative mood
Which sleep phases have been linked to explicit memory formation?
NREM4 and REM
When do people finish the first cycle of NREM3?
60-75 minutes