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1.3: The Neuron and Neural Firing

Part of Biological Bases of Behavior in AP® Psychology. Read the opening section, then create a free account for the full interactive lesson, practice, and progress tracking.

The neuron is the basic functional unit of the nervous system. Everything the nervous system does is built from the firing patterns of neurons, the chemicals they release, and the connections they form. So many concepts later in the course (memory, emotion, mental disorders, drug action) rely on understanding what neurons do.

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