Sleep

Question 1

What happens REM sleep

Answer 1

-muscle paralysis
-eye movements

Question 2

Beta activity

Answer 2

Aroused state, doing stuff

Question 3

Alpha activity

Answer 3

Relaxation state

Question 4

Theta activity

Answer 4

When people are drowsy, prominent during estly stages of sleep

Question 5

Delta activity

Answer 5

Deepest stages of slow-wave sleep
Synchronized low frequency, large amplitude

Question 6

Lesion to Suprachiasmatic nucleus (SCN)

Answer 6

No 24h cycle in the brain and body. Sleep and wake up at random times

Question 7

What is controlling how sleepy you feel?

Answer 7

Adenosine. The level rises up during waking hours and fall rapidly during sleep

Question 8

Flip-flop circuit

Answer 8

Neurons on the ventral lateral preoptic area (vlPOA) of the hypothalamus promoye sleep.

Reciprocal inhibition. If one region is more active (say wake-promoting system) it inhibits the other (in that case, the vlPOA neurons)

Prevents 2 things from happening at the same time

Question 9

Narcolepsy

Answer 9

sleep disorder characterized by periods of excessive daytime sleepinedd and irresistible urges to sleep as well as sleep paralysis and cataplexy

Related to desth of orexin neurons (neuron that promotes wakefulness)

Question 10

Cataplexy

Answer 10

When complete muscle paralysis suddenly occurs when someone is awake