Dopamine is important for reward, but is it directly related to pleasure? Research suggests that dopamine is more important for ‘wanting’ (motivational drive) than for liking. You might have a pathological ‘wanting’ your drug of choice, even after you have long stopped ‘liking’ it. Opioids and endocannabinoids may be more important for liking. In this Guardian video, experts explain how the latest research has increased our understanding.