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Unit 3

How do our neurons communicate with each other?

Not all action potentials are created equal. In this unit, we’ll look at how interactions between different types of neurons can boost, dampen, or outright halt signals such as pain traveling through the nervous system.

Lesson 1: Why do we all experience different levels of pain? (pdf)

Lesson 2: How do our neurons communicate with each other? (pdf)

Lesson 3: Why does applying pressure relieve pain? (pdf)

Lesson 4: What causes different pain phenomena? (pdf)


Watch Online: Unit 3 Multimedia

Neurological Disorders Blog: Unit 3 Further Reading