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AP Psychology
Unit 2 – Biological Basis of Behavior
Topic 2.4
Unit 2 – Biological Basis of Behavior
2.4 Neural Firing
mixed difficulty
Why would we argue that depolarization plays a central role in action potentials?
Depolarization contributes mainly to resting potential maintenance rather than initiating action potentials.
Depolarization slows down the speed at which an action potential travels along a neuron's axon.
Depolarization leads to a change in charge within a neuron and triggers an action potential if it reaches threshold level.
It balances out hyperpolarizations that could otherwise inhibit firing capabilities of neurons.
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AP Psychology - 2.4 Neural Firing
Key terms
Depolarization
Action Potentials
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