Answer: A conditioned respose
Explanation:
Ivan Pavlor discovered an important learning principle called classical conditioning. It means that a particular stimulus causes a specific response. An unconditioned response happens automatically, for example jumping at the sound of a loud noise, whereas a conditioned response doesn't happen automatically.
In addiction there are different methods of treatment that involves classical conditioning, one of them is Aversion therapy. It involves forming a paired association between an unwanted behaviour (alcoholism) and an unwanted experience (effects of antabuse).
Antabuse is an oral drug for treating alcoholism. It can cause unpleasant symptoms after drinking such as nausea, thirst, headaches, chest palpitations and so many other effects.
After aversion therapy, alcohol is associated with nausea and headaches, even the thought of alcohol will invoke the feelings of nausea. This is a conditioned response.