Nicotine

Stiumlates acetylcholine receptors, which causes an increase in dopamine; enhances reward.

Stimulant Drugs

Increase excitement, alertness, activity, mood.

Ex. Amphetamine, cocaine: block reuptake of dopamine.

Nucleus Accumbens

The nucleus accumbens: wanting/liking. Activated by dopamine or norepinephrine.

Drugs

Antagonist: drug that blocks neurotransmitter

Agonist: drug that mimics/increases effect of NT

Drug has an affinity for a receptor if it binds to it (like a key in a lock)

Opiates

Includes morphine, heroin, and methadone.

Drugs that distort perception. Releases serotonin.

Marijuana

Also increases dopamine levels.