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Biological Approach


Addictive drugs stimulate the mesolimbic pathway (reward pathway) in the centre of the
brain, the neurons in this pathway stimulate dopamine to be released which is a pleasure
stimulating neurotransmitter. The pathway is close to the memory centre of the brain and so
important pleasure experiences are…

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Learning Approach


Operant conditioning: positive reinforcement releases dopamine
White: drugs create the same feelings as stimuli such as food drink and sex
Classical conditioning: secondary reinforcers occur at the same time as the drug
Glautier: sight and smell of pub gave similar response as alcohol
Social learning: observation of…

Page 3

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Cognitive Approach


Expectancy theory: the more the person believes the desired effect will be created the
more of the activity they partake in.
Self medication: individuals purposefully use drugs to treat psychological symptoms, the
drug selected is perceived to help
Rational choice: individuals weigh up costs and benefits, addiction…




good summary thanks :)

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