week 7-Individual differences in addiction liability

Question 1

people who are ____ susceptible to drug addiciton are generally ____ stimulated by the drug.

Answer 1

more; less

(and they experience less aversive effects from the drug)

Question 2

Not everyone who takes drugs become ____!

Answer 2

Addicted

Question 3

The amount of receptors is determined by ____ and ____

Answer 3

genetics; experiences

Question 4

____ Dopamine D2 Receotor availability is associated with ____ frontal metabolism in ____ users (1993)

Answer 4

Decreased; reduced; cocaine

Question 5

Prediction of reinforcing responses to psychostimulants in humans by brain dopamine D2 receptor levels
- What is a criticism for the subject use in this paper?

Answer 5

• No female involved
  (exclusion criteria: female, psychiatric, neurological, or medical disease or drug abuse or dependence)
  -small sample size (~20 ppl)

Question 6

Prediction of reinforcing responses to psychostimulants in humans by brain dopamine D2 receptor levels

Healthy controls who have never take cocaine or any other drug of abuse display individual differences in levels of ____ ____ receptors

Answer 6

D2 dopamine

Question 7

Prediction of reinforcing responses to psychostimulants in humans by brain dopamine D2 receptor levels

Individuals that found methylphenidate less ____ had relatively ____ dopamine D2 receptors

Answer 7

pleasant; more

Question 8

All drugs have ____ and ____ effects, and someone who is ____ sensitive to the drug (aka have ____ receptors) can experience more of the latter effect.

Answer 8

rewarding; aversive; more; more

Question 9

Prediction of reinforcing responses to psychostimulants in humans by brain dopamine D2 receptor levels

Individuals with relatively ____ dopamine D2 receptor were relatively ____ happy and ____ annoyed after drug treatment than before. (and vise versa)

Answer 9

fewer; more; less