Dopamine

Question 1

Jousta (2012)

Answer 1

dopamine levels increased in participants given gambling task whether they won or they lost.

Question 2

Volkow (1992)

Answer 2

cocaine addicts have abnormalities in the frontal cortex and have impaired performance in tasks using the FC. e.g. decision marking. cause and effect?

Question 3

Wang

Answer 3

addicts have increased activity in the frontal cortex when exposed to the drug or associated cues.

Question 4

Wise and Robble

Answer 4

biological evidence that dopamine can be used in conjunction with classical conditioning to explain how addiction is formed and maintained

Question 5

Liberzon

Answer 5

found increased dopamine activation in people with PTSD. role of dopamine unclear. high levels of dopamine also has correlation with aggression. dopamine is complex

Question 6

Stokes et al

Answer 6

not all addictive behaviours increase dopamine. No significant increase in cannacbis users. cannot be a comprehensive explanation.