PSYC1022 : Psychology of Addiction - Drug Affects the Dopamine Neurotransmitter System - Psychology Assignment Help

Assignment Task :

Essay Instructions 

Choose a drug from the list below. For your chosen drug, explain how it affects the  dopamine neurotransmitter system and how changes to this system from repeated  drug use can lead to a cycle of relapse and addiction.  

1. Select a drug of abuse from the list below:  

• Alcohol 

• Heroin  

• Cannabis  

• Amphetamine  

2. Explain how your chosen drug affects the dopamine neurotransmitter system. 

With reference to scientific journal articles, explain how your chosen drug affects the  functioning of the dopamine system. In order to fully answer this part of the question you will  need to briefly outline what the dopamine system is responsible for and its role in substance  abuse and addiction. Why are the effects of drugs on the dopamine system important for our  understanding of addiction?  

3. Explain how changes in the dopamine system from repeated drug use can lead to a  cycle of relapse and addiction.  

With reference to scientific journal articles, explain how changes in the dopamine system  resulting from repeated drug use can lead to a cycle of relapse and addiction. You may wish  to use your chosen drug as a specific example in explaining how repeated drug use can lead  to difficulty abstaining and repeated relapse, and how changes in the dopamine system  contribute to this behavioural pattern. You may need to refer to psychological theories and/or  principles regarding addiction to fully answer this part of the question. 

Essay Format  

• The 1200 word limit is very strict. There will be a 5% penalty for a word count of  1201-1250, plus a further 5% penalty for every 50 words thereafter. Thus, an essay  of 2200 words would receive a mark of 0 (The “10% over rule” does not apply here). 

• In-text citations and any subheadings are included in the word count.  

• The reference list itself does not form part of the word count, nor does the title,  or other peripherals such as your name and student ID number.  

• You will not be penalized for going under the word count, however if you do go  under the word count then you should ensure that you are addressing all parts  of the question and providing sufficient detail.  

• If you choose to include appendices in your essay then these will be included in  the word count. You should ask yourself if you really need appendices before  including them - information pertinent to answering the question should be  included in the main body of the essay. 

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