Ch. 4 Psych 111 Review

The two dimensions to graph different states of consciousness

Awareness and wakefulness

What occurs during stage 1 sleep?

Both our respiration and heartbeat slow down.

suprachiasmatic nucleus (SCN)

area of the hypothalamus in which the body's biological clock is located

A theta wave is a type of ________.

low frequency, low amplitude brain wave

Sleepwalking, night terrors, and restless leg syndrome are all examples of________.

parasomnias

Sleep rebound

refers to how sleep deprivation relates to falling asleep more quickly

Insufficient sleep

sleep debt

Crack is considered more addictive than cocaine because it is ________.

smokable, so it reaches the brain more quickly

Cocaine is considered a ________ drug because it tends to increase overall levels of neural activity.

stimulant

Manifest content

the remembered content or story line of a dream

Latent content

the underlying meaning of a dream

Is this true? Younger adults sleep more than older adults

Yes

REM sleep

Rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur

In what stage of sleep do sleep spindles appear?

Stage 2

Dr. Skalski emphasized how sleeping is important for:

Helping our memory and creative thinking

What is the hormone that creates a feeling of sleepiness?

Melatonin

________ involves a virtual reality model of the world.

Protoconsciousness

Physical dependence on a drug is indicated by the user experiencing ________ as a result of discontinuing use of the drug.

changes in normal bodily function

Alcohol is considered a ________ because it tends to suppress central nervous system activity.

depressant

What type of brain imaging has been revolutionary for studying thinking?

fMRI scans