ap psych chapter 5

The majority of our dreams occur in which stage of sleep?

rem sleep

Which of the following drugs block reuptake, leading to increased neural stimulation?

cocaine

Cocaine blocks the reuptake of which neurotransmitter?

dopamine

The center of the activation-synthesis hypotheses is dreaming is based on the belief that

dreams provide explanations for physiological activity.

Which part of the brain is important in keeping the forebrain alert and producing a state of wakefulness?

reticular formation

define rem sleep

4th stage of sleep marked by rapid eye movements, high-frequency brain waves, paralysis of large muscles, and dreaming

Approximately how long is each cycle of sleep during a full night's sleep?

90 minutes

Which statement best defines dependency?

A change in the nervous system occurs so that a person now needs to take the drug to prevent withdrawal symptoms.

Which of the following statements concerning sleep is valid?

Individuals do not typically act out their dreams

__________ refers to an increased percentage of time spent in REM sleep when we are deprived of REM sleep on the previous night.

REM rebound

Growth/Development theory of sleep

The theory that deep sleep is correlated with physical development, including changes in the structure of the brain

Repair/Restoration theory of sleep

The theory that sleep allows organisms to repair from daily walking activities

Adaptation/Protection theory of sleep

The theory that sleep evolved to conserve energy and provide protection from predators

Learning/Memory theory of sleep

The theory that sleep is important for learning and the storage of memories

A person experiences blind panic, screaming, and thrashing around while sleeping. This episode is called...

a night terror

Brushing your teeth while listening to the radio or thinking of something else is an example of

automatic process

Which of the following is not a characteristic of REM sleep?

delta waves

Which of the following is not considered an altered state of consciousness

exercise

Approximately how many cycles of sleep does an adult enter during a full night's sleep (assuming you get 8 hours of sleep)?

four to five

When people consume large amounts of alcohol, they are often unable to recall what they did and said while they were drinking. This occurs because alcohol interferes with the brain's ability to form new memories in the

hippocampus

REM sleep is known as paradoxical sleep because...

measures of the brain activity closely resemble waking consciousness, but the person is incapable of moving.

The hormone most closely related to one's sleep patterns is

melatonin

Which of the following psychoactive drugs increases nervous system activity?

nicotine

Repeated periods during sleep when a person stops breathing for a few seconds or longer is known as...

sleep apnea

Sleepwalking and sleep talking are characteristics of which stage of sleep

stage 3

Which stage of sleep is characterized by delta waves?

stage 3

define nrem sleep

stages 1-3 of sleep during which a sleeper does not show rapid eye movement

When researchers removed all time cues, such as light, clock, radio, and television, from subjects' environment, the length of the day expanded from 24 to about 25 hours. This phenomenon is known as...

the circadian rhythm.

The reduction in the body's response to a drug, which may accompany continual drug use, is called...

tolerance