Chapter 15 - Sleep And Arousal Flashcards
Basal forebrain area
- sleep
- adenosine accumulates and induces drowsiness
- inhibits arousal
Preoptic area and pons are particularly important for _________
Sleep regulation
Wake and arousal major pathway 1:
PPT/LDT
Active when individual is awake
Lateral hypothalamus releases _________ to prevent the brain from switching to sleep.
Hypocretin
Pons is the source of ________
PGO waves
How do we cycle through the 5 stages of sleep at night?
Goes through the stages, and then reversed them and started again.
Ex. 1-2-3-4-3-2-REM-2-3-4-3-2-REM
Insomnia symptoms:
Inability to sleep or obtain quality sleep
Cataplexy
Circadian phase delay (can’t fall asleep) or phase advance (wake up too early)
Insomnia causes:
Acute- Environment Stress Schedule Anxiety Travel
Chronic- Disorders Medications Environmental Genes
Insomnia treatments:
Medications Melatonin Hypnosis Yoga Meditation White noise Aromatherapy Behavioral changes
Narcolepsy symptoms:
Onset of fatigue
Cataplexy
Antonia
Disturbed nocturnal sleep
Narcolepsy causes:
Genes
Hormones/puberty
Triggers- stress, warm environment, monotonous activity, large meals, huge changes in mood.
Narcolepsy treatment:
Behavioral changes
Scheduled naps
Stimulants by day
Sedatives at night
REM sleep behavior disorder symptoms:
Physically active during REM
Acting our dreams
REM sleep behavior disorder causes:
Brain structure - lesions in brainstem
REM sleep behavior disorder treatments:
Sedatives
