biology psychology quiz 12
For a typical, healthy person, about how long does an average sleep cycle last?
90 minutes
An electroencephalograph displays ____.
a net average of all the neurons' potentials
What does cataplexy involve?
an attack of muscle weakness while awake
What is the BEST indicator that someone has a diagnosis of insomnia disorder?
consistently feeling sleepy during the day
An individual whose EEG recording shows sleep spindles and K-complexes _____.
has entered stage 2 of sleep
During sleep, what happens in the brain?
increased firing by GABA neurons
The research found that during REM sleep, activity ____.
increased in both the pons and limbic system
Orexin, produced by neurons in the hypothalamus, appears to be necessary for ____.
staying awake
Dreaming is most likely to occur during REM sleep but can occur during other stages as well.
true
An individual whose EEG is predominantly alpha waves is most likely _____.
very relaxed but sill awake