Advertisement Upgrade to remove ads

The distinctive brain waves that accompany various stages of sleep are detected by:

an electroencephalogram.

As a person gradually shifts from Stage 1 to Stage 4 sleep, brain waves become progressively ________ in frequency and ________ in amplitude.

lower; higher

Sleep spindles are characteristic of ________ sleep.

Stage 2

REM sleep is characterized by ________ frequency and ________ amplitude brain waves.

high; low

Getting only half of a normal night of sleep is likely to cut most deeply into your ________ sleep time.

REM

Mind-altering substances are called ________ drugs.

psychoactive

Caffeine is an ________ to the neurotransmitter acetylcholine because it ________ the acetylcholine's effect.

agonist; enhances

Psychedelic drugs are also called:

hallucinogens.

Worldwide, the most commonly used psychoactive drugs are:

caffeine and alcohol.

The "drug reward" system in the brain is found primarily in the _______ system.

limbic

Research on addictive drugs most clearly indicates that:

most of America's ex-smokers were able to kick the habit on their own.

Alcohol consumption disrupts the processing of recent experiences into long-term memory by:

decreasing REM sleep.

Neuroadaptation most clearly contributes to:

drug tolerance

The simultaneous processing of information on many parallel tracks is most closely associated with:

unconscious mental activity.

Narcolepsy is associated with a relative absence of a hypothalamic neural center that produces:

hypocretin

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set