6. Addiction

Question 1

How can addiction be defined? (Addiction psychobiology)

Answer 1

Loss of control over a form of behaviour, that is pleasurable to most

Question 2

How does nicotine affect the body? (Addiction psychobiology)

Answer 2

A subtype of acetylcholine receptor

Question 3

How does alcohol affect the body? (Addiction psychobiology)

Answer 3

Modulated GABA-A and GABA-B receptors

Question 4

How does cocaine affect the body? (Addiction psychobiology)

Answer 4

Impacts dopamine transporters

Question 5

What does amphetamines do to the body? (Addiction psychobiology)

Answer 5

Releases dopamine

Question 6

How does cocaine work? (Addiction psychobiology)

Answer 6

Blocks dopamine transported, increasing the level of dopamine at the synapse

Question 7

How do amphetamines work? (Addiction psychobiology)

Answer 7

Acts as a decongestant, enhancing dopamine release and reducing reuptake

Question 8

What does a full agonist do? (Addiction psychobiology)

Answer 8

Produces maximum stimulation of target at higher doses

Question 9

What does a partial agonist do? (Addiction psychobiology)

Answer 9

Process smaller effects than full, but produces higher stimulation of target

Question 10

What does an antagonist do? (Addiction psychobiology)

Answer 10

Produces negligible effects, regardless of the receptors, reducing the effect of partial and full agonist

Question 11

What does the abuse of many drugs act of? (Addiction psychobiology)

Answer 11

Dopamine release and the reward system