שאלה | According to Wise’s model of addiction (to cocaine) …

According to Wise’s model of addiction (to cocaine) …

		The first time the drug is taken, the effect is pleasant and induces craving, which causes the animal to inject the drug repeatedly with shorter intervals between injections.
		The first time the drug is taken, it induces hyperactivity so that the animal will press any lever, even a lever that was not previously linked to obtaining the drug.
		The first time the drug is taken, the effect is pleasant for a short time, followed by unpleasant withdrawal symptoms, which will cause the animal to inject the drug again.
		The drug is taken initially to relieve negative feelings of stress. An animal that is not stressed does not become addicted.