Summation that results from the cumulative effect of multiple synapses at multiple places on the neuron is designated spatial summation.
- A strategy for generating an action potential in a neuron using input from several presynaptic cells is called spatial summation. It is the algebraic addition of potentials from various input regions, typically dendrites.
- This process, known as spatial summation, occurs when inputs from several neurons combine to cause an action potential. These potentials, which are often from dendrites, are combined to produce the spatial summation.
- The likelihood that a potential will reach the threshold level required to trigger an action potential increases with the amount of excitatory postsynaptic potentials.
- Similar to this, the likelihood of attaining the threshold potential to trigger an action potential decreases as the number of inhibitory postsynaptic potentials increases.
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