Understanding Addiction: Basic
Science Information

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Preview

• Neurons (nerve cells) are the "brains" of the nervous system.

• Neurotransmitters send chemical "messages" between neurons.

• Dopamine is a sample neurotransmitter that is useful in understanding addiction.

• Other neurotransmitters can be compared to dopamine.

• Drugs interfere with neurotransmitters.

Illustrations:

• The human brain
• Neurons
• Neurotransmission
• A neurothransmitter: Dopamine
• Other neurotransmitters
• Drug interference

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