3.1.2 Evaluating dopamine & addiction Flashcards Preview

A Level Psychology > 3.1.2 Evaluating dopamine & addiction > Flashcards

Flashcards in 3.1.2 Evaluating dopamine & addiction Deck (18):
1

what did Corigall & Coen's (1991) rat research show?

rats will self administer nicotine through implants to provide themselves with positive feelings

2

(Corigall & Coen) what does the nicotine lead to a release of?

dopamine

3

how is corigall & coen's rat research flawed?

It uses rats - rats aren't humans
not generalizable

4

Jousta found dopamine levels were increased in participants given what?

a gambling task regardless of win or loss

5

Boileau found alcohol has what effect on dopamine levels in the brain?

increases dopamine levels

6

what is volkows' theory?

changes in the frontal cortex turn engaging in a behaviour into an addiction

7

what do brain imaging studies provide in studying changes addiction causes to the human brain?

objective evidence for changes/differences in addicts brain activity

8

Volkow (1992) found cocaine addicts showed what?

abnormalities in their frontal cortex

9

Bolla et al (2003) found cocaine addicts showed what?

impaired performance in activities using their frontal cortex

10

Volkow and Bolla's research provide evidence for what?

the link between, dopamine, addiction and brain activity

11

it is not the case that all addictive behaviours do what?

raise levels of dopamine

12

Stokes et al found what amongst volunteers taking what?

no significant increase in dopamine levels

13

Karmen Yoder found no consistent increase in dopamine across who?

participants in their study given alchol

14

Stokes and Karmen Yoder's research provides evidence against what?

the role of dopamine in addiction

15

what does explaining addiction due to the effects of dopamine ignore?

dopamine has a range of funtions

16

studies suggest dopamine levels rise in the presence of pleasant and ______ stimuli:

aversive

17

what did Liberzon et al show amongst war veterans?

increased activation in nucleus accumbens in war veterans suffering with PTSD hearing combat sounds

18

the dopamine idea is too simplistic, why?

might not just be associated with pleasure but emotion as a whole

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