An MRI Scan of the Human Brain

An MRI scan of the human brain
If you think of dopamine as only being about pleasure or only being about attention, you'll end up with a false idea of some of the problems involving dopamine, like drug addiction or attention deficit hyperactivity disorder, and you'll end up with …
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Addiction Begins in the Brain
The neurotransmitters involved most frequently with an addiction of any kind include serotonin, dopamine, GABA, endorphins, and norepinephrine, but acetylcholine and anandamide may also be involved in some addictions. Serotonin functions like a natural …
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Cocaine addiction may be cured by Ritalin
When a person uses cocaine, it causes the brain to become flooded with the neurotransmitter dopamine, a chemical messenger essential for controlling pleasure responses and movement. Dopamine is also implicated in drug addiction. During addiction, the …
Read more on CBS News