The human brain
Chapter 1
The physical landscape of the brain
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Chapter 2
How the brain builds reality
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Chapter 3
The changing brain of memory and learning
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Chapter 4
The chemistry of mood and choices
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YOUR GOAL
Master of The human brain
Ch 4 · The chemistry of mood and choices
Fun Fact
Gut serotonin: About 90% of your body's serotonin, the happy chemical, is actually produced in your gut.
Glossary
neurotransmitter (noun)
A chemical substance that transmits nerve impulses across a synapse to another cell. In 1921, Otto Loewi proved these chemical messengers transmit the signals that dictate our feelings and actions.
A chemical substance that transmits nerve impulses across a synapse to another cell. In 1921, Otto Loewi proved these chemical messengers transmit the signals that dictate our feelings and actions.