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Unit 2

What are the building blocks of our brains?

What’s in a neuron? A cell by any other form may have the same DNA, but neurons are uniquely specialized for their function in the nervous system. In this unit we’ll look at those specializations in depth, and see how breakdowns in different parts of a neuron’s function cause the symptoms of different neurological diseases.

Lesson 1: What is the structure of a neuron? (pdf)

Lesson 2: How do our axons transmit electrical signals? (pdf)

Lesson 3: How fast do our neurons signal? (pdf)

Lesson 4: What do our neurons need to work efficiently? (pdf)

Lesson 5: What can go wrong? (pdf)

Watch Online: Unit 2 Multimedia

Neurological Disorders Blog: Unit 2 Further Reading