Question 1

Is addiction really a chemical hijacking of the brain?

Accepted Answer

Not entirely. While addictive drugs do flood the brain's dopamine pathways, most people who use them never become addicted. Research increasingly frames addiction as a response to pain, isolation, and environment, not simply a chemical takeover of any brain exposed to a drug.

Question 2

What is the difference between wanting and liking in the brain?

Accepted Answer

Neuroscientist Kent Berridge showed they are separate systems. Liking is the raw pleasure of a reward, while wanting is the motivational drive to pursue it. Dopamine powers wanting, not liking, which is why addicted people can crave a drug intensely while barely enjoying it.

Question 3

What did the Rat Park experiment prove about addiction?

Accepted Answer

Bruce Alexander found that rats living in an enriched, social enclosure largely ignored morphine water, while isolated rats consumed far more. It suggested that connection and a satisfying life, rather than the drug's chemistry alone, strongly influence who becomes addicted.

dopamine

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