PSYC- 2301 Ch.4 Quiz

On the average, each complete cycle through the stages of NREM sleep and REM sleep lasts about:

90 minutes.

Color coded MRI scans of chronic methamphetamine users showed that they had:

lost up to 10 percent of their brain tissue in limbic system areas involved in emotion and reward.

Scientific research has documented that hypnosis is effective for:

pain relief.

One of the main concerns in REM sleep behavior disorder is:

protecting both the dreamer and his sleeping partner from episodes of violent behavior.

When Scott was about 12 years old, he got out of bed and walked to the kitchen with slow but automatic movements and began to fumble with the lock on the back door. When his younger sister tried to stop him, he grabbed her and threw her across the room. Scott has had a number of such _____ episodes and rarely remembers anything about them in the morning.

sleepwalking

A parasomnia called sleep terrors typically occurs during:

stage 3 or 4 NREM sleep .

For several weeks, Wayne has been taking increasing amounts of amphetamines to keep up with his college schedule, full time job, and other responsibilities. Wayne is running the risk of developing:

stimulant-induced psychosis.

Which of the following changes CANNOT be produced through hypnosis?

temporary moments of superhuman strength

According to _____, dreaming is our subjective awareness of the brain's internally generated signals that occur repeatedly throughout the process of a night's sleep.

the activation-synthesis model of dreaming

Memories of personally experienced events that tend to be consolidated during NREM slow

wave sleep are called:- episodic memories.

Angela has trouble falling asleep at night, hates getting up in the morning, and takes a long time to feel alert once she does get up. According to the Application section, which of the following strategies might help Angela deal with her sleep problems?

All these strategies could help Angela.

Sheena was describing a dream she had about her psychology class to a friend. "During the dream, I realized it was dream, and I didn't like the way the dream was going so I went back to the beginning of the dream and started it over," she explained to her astonished friend. What had Sheena experienced?

a lucid dream

Which of the following best describes a myoclonic jerk?

as a person is going to sleep, an involuntary muscle spasm that jolts the person awake

If you are like most people, you experience daily fluctuations in many bodily processes, such as blood pressure, the secretion of hormones, and so on. These daily variations in biological and psychological processes are called:

circadian rhythms.

PET and fMRI scans have revealed that the brain's activity during REM sleep is:

distinctly different from its activity during either wakefulness or NREM slow-wave sleep.

According to the Focus on Neuroscience, "The Addicted Brain," heroin, cocaine, amphetamines, alcohol, and nicotine all affect levels of which of the following neurotransmitters?

dopamine

According to the activation-synthesis model of dreaming:

dreams are meaningful insofar as they reflect how the dreamer imposes personal meaning on the images generated by his or her brain.

_____ is defined as a cooperative social interaction in which one person responds to another person's suggestions with changes in perception, memory, and behavior.

Hypnosis

Shortly after Jamil began the ninth grade, he was sent to the principal's office several times for nodding off in his classes. His mother said that Jamil had recently started doing the same thing at home. When Jamil had to make a presentation in front of his geography class, he stood up, then collapsed to the floor. Which of the following explanations is most likely?

Jamil has narcolepsy.

For several nights in a row, a sleep researcher wakes you up whenever you show signs of entering REM sleep. On the first night that you are allowed to sleep uninterrupted, you will most likely experience:

REM rebound.

Dreaming usually takes place during _____ sleep and is typically accompanied by _____.

REM; physiological arousal, brain activity, and rapid movement of the eyes

Professor Behrens studies circadian rhythms. How does Professor Behrens create "free-running conditions" in her research?

She arranges for volunteers to spend several weeks in isolation units without exposure to sunlight, clocks, or other time cues.

According to the Focus on Neuroscience box, "The Addicted Brain," what is the biological basis for drug tolerance?

The brain's dopamine system adapts to the high levels of dopamine produced by use of the addictive drug.

Lacey just started working the graveyard shift at a local factory, from 11:00 p.m. until 8 a.m. Which of the following factors makes it harder for her to adjust to her new schedule?

The exposure to the bright morning sunlight when driving home after working the night shift will make it harder for her to adjust.

Which of the following characterizes obstructive sleep apnea?

The sleeper repeatedly stops breathing during the night.