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spatial summation

spatial summation Spatial summation is the combining of synaptic signals arriving at a postsynaptic cell from multiple synaptic junctions so they can reach threshold and trigger an action potential.

Spatial summation is the combining of synaptic signals arriving at a postsynaptic cell from multiple synaptic junctions so they can reach threshold and trigger an action potential. The summed signals may be excitatory or inhibitory.

Also see

Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Postsynaptic Potential Summation” (D059227).
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PsychTerms (psychterms.org), CC BY 4.0, version 1. “spatial summation.” Development preview.

Version 1 · SHA-256: 21dd9b8d66768edf83cc1fb4c2463d13960b18b8fa033ed3d0c090653f5f3f8e

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