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The Nervous System
How Neurons Communicate
Biology Textbooks Boundless Biology The Nervous System How Neurons Communicate
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Concept Version 7
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Signal Summation

Signal summation at the axon hillock

Signal summation at the axon hillock

A single neuron can receive both excitatory and inhibitory inputs from multiple neurons. All these inputs are added together at the axon hillock. If the EPSPs are strong enough to overcome the IPSPs and reach the threshold of excitation, the neuron will fire.

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "OpenStax College, How Neurons Communicate. October 17, 2013."
    http://cnx.org/content/m44748/latest/Figure_35_02_08.jpg OpenStax CNX CC BY 3.0.

Related Terms

  • axon hillock
  • spatial summation
  • temporal summation
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