Sleep & Vision

A mutation to protein Tau inhibits Per and Cry complex production. Which of the following are effects of this mutation?

• Increased transcription of Tau and Per

• Increased Clock/Cycle activity

• Both of the above

• None of the above

A mutation to the pineal gland inhibits production of melatonin. Which of the following may happen due to this mutation?

• A. REM sleep cycles increase in number

• B. Time spend asleep increases

• C. Time spent in nonREM increases

• D. A and B

• E. None of the above

Which of the following are present in nonREM sleep?

• A. Nightmares

• B. Night terrors

• C. Somnambulism

• D. B and C

• E. None of the above

REM sleep behavior disorder

• is due to incomplete paralysis of the muscles

• is due to absent paralysis of the muscles

• All of the above

• None of the above

What tract regulates light intake? (eye --> SCN)

What are the two types of sleep?

What prevents transition from wakefulness straight into REM sleep?

• Leptin

• Orexin

• Ghrelin

• Acetylcholine

1.  

   George is a sleep-deprived graduate professor; he is able to sleep only from 5AM to 1PM. What does George have?