Brain 6-7

Question 1

limbic system

Answer 1

• functions as emotional center
• formation of memories
• pleasure for food and sex

Question 2

structures of the limbic system

Answer 2

1-hypocampus

2-amygdala

Question 3

hypocampus

Answer 3

cognition and facial memory. important for learning and training.

Question 4

amygdala

Answer 4

involved in cognitive processes and memory associated with emotions.

Question 5

Reticular Activating System

Answer 5

Modulates brain arousal. Maintains posture, balance, muscle tone, pain, and sleep.

Question 6

Reward Center

Answer 6

Has 5 brain structures; nucleus accumbens, ventral tegmental area, amygdala, septal nuclei and medial forebrain bundle

Question 7

nucleus accumbens

Answer 7

Makes dopamine (pleasure) and serotonin (calming).

Question 8

ventral tegmental area

Answer 8

Responds to unexpected rewards, also makes dopamine, but it can make too much which can prevent their breakdown.

Question 9

septal nuclei

Answer 9

Connects to the nucleus accumbens. Distinguishes love vs lust and appropriate vs inappropriate.

Question 10

medial forebrain bundle

Answer 10

Carries information between the ventral tegmental and the nucleus accumbens.

Question 11

4 factors that determine addictiveness

Answer 11

1. highly stimulating artificial version
2. limitless supply
3. variety
4. causes binging

Question 12

Why is pornography so addictive?

Answer 12

Because it has each of the addictive factors.

Question 13

Why does the body adjust to addiction?

Answer 13

Because it adjusts to the amounts of dopamine released and it needs more and more to get the same effect as the first time.