Chapter9 Flashcards
What are the two main states of sleep?
SWS and REM
What chemical in the brain increases when you stay awake longer than usual?
Adenosine
How does arousal affect our processing?
Enables alertness and focus
What is the relationship between slow waves and sleep function?
Important to sleep
What happens to adenosine levels with more sleep?
Adenosine levels fall
What hormones are involved in sexual arousal?
Estrogen and testosterone
What occurs during REM sleep?
Fast EEG activity and atonia
What does the homeostatic system do after sleep loss?
Increases sleep duration
What is key in defining the brain state of sexual arousal?
Sex hormones
What regulates wakefulness in the brain?
Arousal systems
What is the most common sleep disorder?
Insomnia
What changes occur when paying attention?
Heart rate, breathing, blood flow
Where are orexin-producing neurons located?
Hypothalamus
What does increased daytime sleepiness increase?
Risk of accidents
What aids in processing and comprehension during stressful situations?
Arousal
What do orexins increase?
Metabolic rate
What occurs during sleep apnea?
Airway collapse
What is attention’s role?
Control and focus
What effect do orexins have on arousal systems?
Excitatory effects
What device is commonly used for sleep apnea?
CPAP machine
What happens when you choose what to focus on?
Attention
What is the role of orexin-producing neurons?
Prevent sleep transition
What disorder is characterized by getting up and moving during sleep?
REM behavior disorder
What is ADHD?
Attention deficit disorder
What happens with the loss of orexin neurons?
Causes narcolepsy
