A. Biopsychosocial Model- Addiction is based on biological, psychological, and social factors. All should be addressed during course of treatment. 1. Biological Factors a. Abnormal neurotransmitter functioning- self-explanatory b. Genetics? – no specific addiction gene has been found- self-explanatory 2. Psychological Factors a. Expectancies- If we expect a certain drug to make us feel or behave in a certain way than we will probably feel and behave in that way. You can relate this to the placebo effect, studies have shown that people will act drunk even though they didn’t receive alcohol (they were tricked and thought they had alcohol). In addition, if you are depressed and you believe alcohol will help you cope with your negative emotions, you will experience more positive emotions. Thus, the alcohol use becomes reinforcing and leads to problems. Alternatively, if you sure a drug will be unpleasant or produce effects you don’t like, you will probably experience these negative aspects and will not
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