The sleep disorder narcolepsy will be used to help us understand how the brain controls sleep, wakefulness, and dreaming. Why is this particular sleep disorder being used for this purpose? correct answersThe systems of narcolepsy are the result of deficits in the functioning of regions of the brain...
The sleep disorder narcolepsy will be used to help us understand how the brain controls sleep,
wakefulness, and dreaming. Why is this particular sleep disorder being used for this purpose? correct
answersThe systems of narcolepsy are the result of deficits in the functioning of regions of the brain
control wakefulness and dream sleep
Called REM sleep (rapid eye movement sleep)
What are the primary symptoms and secondary symptoms of narcolepsy shown by Rudy T? correct
answersPrimary symptom: excessive sleepiness
Secondary symptom: cataplexy, hypnogogic hallucinations, sleep paralysis, early onset of REM
Which regions of the brain are involved in the primary and secondary symptoms of narcolepsy? correct
answersPrimary symptom: problems with regions of the brain that control wakefulness
Secondary symptom: problem with the region of the brain that controls REM. Sleep and dreaming
Give examples from Rudy's T.'s case history of the primary symptoms and secondary symptoms of
narcolepsy. correct answersPrimary: difficulty holding a job because he kept falling asleep while working
Fell asleep at the wheel a couple times
Secondary: he became paralyzed whenever he had an emotional reaction (cataplexy)
He often became paralyzed when he first went to bed or when he awakened in the morning (sleep
paralysis)
He started dreaming when he first went to sleep (early onset of REM (Rapid Eye Movements) sleep)
Which behaviors shown by Skeeter the narcoleptic dog indicated that he had narcolepsy? correct
answersSkeeter would fall asleep when he got emotionally excited like when it was time to eat. He also
would fall asleep when going for walks.
, Which primary and secondary symptoms of narcolepsy were shown by the college student with
narcolepsy? correct answersPrimary- excessive sleepiness
Secondary- hallucinations before and after falling asleep
The neurologist observed that Rudy T. started dreaming when he first went to sleep, which is a
secondary symptom of narcolepsy. What three measures were used to make this determination? correct
answersEEG (electroencephalogram): brain waves recorded from the scalp
EMG (electromyogram): measures muscle activity in the forehead
EOG (Electrooculography): records eye movement
What are the two major stages of sleep? correct answersNON-REM Sleep (S-sleep)
Stage 1,2,3,4 [as the stages proceed, you get deeper into sleep]
Rapid eye movement (REM) sleep (D-Sleep)
During a night of sleep, when would you expect to see the most NON-REM Sleep and when you expect
to see the most REM Sleep during a typical night of sleep? correct answersREM sleep every 90 minute
cycle
Non-REM sleep the rest of the time you sleep
Describe the activity in the EEG, EOG, and EMG during NON-REM. correct answersSynchronized EEG
Relaxed muscle (measured by EMG)
Minimal eye movements
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