1. Some people find eating chocolate to be a very rewarding experience. Activation of which area of the brain explains the rewarding effects of chocolate?

A. the nucleus accumbens
B. the hippocampus
C. the amygdala
D. the thalamus

2. Which of the following people has anterograde amnesia?

A. Bayani, who cannot remember anything from before the age of about 4 years.
B. Shabnam, who cannot remember anything from the time of her car accident to the present.
C. Dainagon, who cannot remember the names of his family members or where he was born.

3. Which of the following people is most likely to have damage to his or her hippocampi?

A. Karen, who is so depressed that she feels little interest in or pleasure about anything.
B. Joe, who becomes enraged without any provocation and attacks anyone who is near him.
C. Kelly, who falls asleep many times throughout the day, even when engaged in activities.
D. Richard, who often can't remember events that occurred only minutes before.

4. Almost all sensory input to the body passes through the _____ in the limbic system.

A. thalamus
B. hypothalamus
C. hippocampus
D. septum

5. When the nucleus accumbens is electrically stimulated in humans, the most common response is

A. sexual arousal.
B. severe hunger.
C. anxiety or fear.
D. all the above

6. If the amygdala is electrically stimulated in people, which of the following responses is most likely to occur?

A. They will have trouble speaking clearly.
B. They will become fearful and anxious.
C. They will enter deep sleep.

7. In the dopamine circuit, the _____ stimulates the _____ when an individual experiences a rewarding stimulus.

A. ventral-tegmental area; amygdala
B. thalamus; amygdala
C. ventral-tegmental area; nucleus accumbens
D. nucleus accumbens; amygdala

8. Which of the following people has retrograde amnesia?

A. Xuyen, who cannot remember anything from after the age of about 4 years.
B. Tana, who cannot remember anything for more than about 30 seconds.
C. Langidrik, who can remember only the last three days of his life and his first name.

9. Which of the following structures is most important in the development of emotional memories?

A. thalamus
B. nucleus accumbens
C. amygdala
D. ventral-tegmental area

10. Addictive behaviors are most closely associated with activity in the

A. dopamine circuit.
B. serotonin circuit.
C. amygdala.
D. hippocampus.

11. In humans, stimulation of the nucleus accumbens was once studied to determine if it could be used in the treatment of

A. schizophrenia.
B. obsessive-compulsive disorder.
C. depression.
D. bipolar disorder.

Go to Quiz 4-2 answers

Go Back to Readings Section 4-2