Sleep

Question 1

Areas of the brain involved in sleep

Answer 1

• Posterior hypothalamus
• Anterior hypothalamus
• Reticular Activating System
• nuclei in the caudal reticular formation
• medullary inhibitory area(MIA)

Question 2

Posterior Hypothalamus functions

Answer 2

Area Promotes wakefulness

-Damage results in excess sleepiness

Question 3

Anterior hypothalamus Function

Answer 3

Area Promotes sleepinedd

-Damage results in wakefulness

Question 4

Stimulation of reticular activating system leads to …

Answer 4

wakefulness

Question 5

Nuclei in the caudal reticular formation controls…

Answer 5

REM

Question 6

Area related to sleep paralysis

Answer 6

medullary inhibitory area(MIA)

Question 7

How does sleep paralysis works

Answer 7

• Pons activated, which excites MIA by projections

- The medullary center inhibits the motor neurons and gives rise to atonia.

Question 8

you are in stage 4…what stage are you about to go into

Answer 8

3

Question 9

Activation-Synthesis

Answer 9

During dream state…brain ( cortex) randomly firing. Trying to make sense of sensations being given.

Question 10

Recuperation theories

Answer 10

• Sleep is needed to restore homeostasis

- Wakefulness causes a deviation from homeostasis

Question 11

Circadian theories

Answer 11

• Sleep is the result of an internal timing mechanism

- Sleep evolved to protect us from the dangers of the night

Question 12

Big effect of sleep deprivation includes…

Answer 12

worse executive functions

• Assimilating changing information
• Updating plans and strategies
• Innovative, lateral, insightful thinking
• Reference memory

Question 13

What sleep deprivation has no major effect on

Answer 13

• Logical deduction, critical thinking

- Physical strength and motor performance

Question 14

What role does alcohol play in REM?

Answer 14

It inhibits it

Question 15

Do Antidepressant REM-blocking drugs interfere with memory?

Answer 15

NO

Question 16

Default theory

Answer 16

Default theory: it is difficult to remain in NREM sleep
REM is to maintain wakefulness (default state)
-Waking up in REM you will feel wakeful

Question 17

Effects of Shift Work & Jet Lag

Answer 17

Sleep disturbance
Fatigue
General malaise
Deficit in physical and cognitive functioning

Question 18

What is better Accelerated or Decelerated Jet Lag?

Answer 18

Decelerated (West Bound)

Easier to wake up and sleep later

Question 19

Where is the Ciradian Clock located

Biological Clock

Answer 19

Suprachiasmatic Nucleus in the Medial Hypothalamus

Question 20

Hypersomnia

Answer 20

Excessive Sleepiness

Question 21

How many people claim to have a sleeping disorder?

Answer 21

30% but only few actually have one

Question 22

Iatrogenic insomnia is caused by

Answer 22

• Sleeping pill use

- Can be treated with SLEEP RESTRICTION, ass. bed only w/sleep

Question 23

Obstructive Apnea

Answer 23

obstruction of respiratory passages by muscle spasms or atonia

Question 24

Central Apnea

Answer 24

CNS fails to initiate breaths

Question 25

Periodic limb movement disorder and Restless legs are treated with….

Answer 25

benzodiazepines