Addiction

Question 0

Craving

Answer 0

strong desire for drug.

Question 1

Addiction consists of…

Answer 1

Craving
Withdrawal
Tolerance

Question 2

Withdrawal

Answer 2

lack of drug causes unhappy symptoms

Question 3

Tolerance

Answer 3

repeated administrations leads to decreased drug effect.

Question 4

Pavlovian learning

Answer 4

Conditioning. Link conditional stimulus with unconditional stimulus.

Question 5

Addiction works because…

Answer 5

The drug mimics the mechanism of something naturally in the brain (regular receptors, processes)

Question 6

Compensatory response

Answer 6

The conditional response to drug addiction. The brain anticipates the drug and compensates with opposite effect.

Question 7

Drug administration ritual

Answer 7

Conditional stimulus in addiction. Preparation, setting of drug administration

Question 8

Morphine effect

Answer 8

Feels good
Blocks pain
Feels good
Decreased blood pressure  
Warm skin
Dry mouth

Question 9

New ritual, same drug

Answer 9

Lethal because overreaction/ response to drug.

Question 10

Abstention

Answer 10

Try to go without. Usually relapses.

Question 11

Extinction

Answer 11

Unlearn. Make ritual not predict the drug.

Question 12

Dopamine

Answer 12

Pleasure control

Question 13

Dopamine neuron location

Answer 13

Ventral regimental area (VTA)

Question 14

Nigrostriatal bundle

Answer 14

Ventral tegmental area projects to nucleus accumbens via this. Activated by addictive drugs.

Question 15

Destroy nigrostriatal bundle in rats

Answer 15

No motivation/ pleasure in doing anything.

Question 16

Nicotine

Answer 16

Induces Ventral tegmental area to release dopamine.

Question 17

Cocaine

Answer 17

Blocks reuptake of dopamine.

Question 18

Alcohol and opiates

Answer 18

Quiet neurons that usually inhibit dopamine neurons. Mimic effect of dopamine on nucleus accumbens.