Addiction

Vocabulary:

• Reinforcer: Something that changes the probability of a behavior (Operant conditioning), drugs act as this

• Reward: Something that produces a hedonic (pleasurable) effect, a kind of reinforcer

• Drug-taking: More focused on consumption

• Drug-seeking: More focused on drug-free states, how much an animal will work for it in various contexts

• Addiction (substance use disorder): Compulsiveness, reactivity

• Drug-induced reinforcement: In lab settings, operant conditioning paradigms, classical conditioning with place preference (sign tracking), goal tracking with facilitation of intracranial electric self-stimulation, drug-induced memory enhancement

Drugs act as positive reinforcement (reason lever is pressed for a drug).