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Integration of synaptic signaling is a. the area under the curve of postsynaptic (graded) potentials overlapping in time and space. b. the command signals for central pattern generators. c. a spontaneous activity in pacemaker neurons. d. the temporal and/or spatial summation of postsynaptic (graded) potentials. Solution d. the temporal and/or spatial summation of postsynaptic (graded) potentials. Integration of synaptic signalling indicates the number of neuronal signals or synaptic signals that integrate to produce either the excitatory postsynaptic potential (EPSP) or the inhibitory postsynaptic potential (IPSP). Spatial summation involves the synaptic inputs from several neurones. Sometimes, two or more EPSPs occur at a single synapse, one after another, but before the post synaptic membranes potential has not returned to the normal resting potential. In such cases, the EPSPs add together, and this is called “temporal summation.”.

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Required information Synaptic Integration Synaptic integration allows a neuron to process information coming in from various presynaptic neurons. Explore this interactive graph to discover how signals from excitatory or inhibitory neurons can interact to create new patterns of electrical potentials in the postsynaptic neuron and how fast or slow signals can create different patterns as well. Choose a pair of presynaptic neurons that act together and click Record to view the results in the postsynaptic neuron that receives the signals. Synaptic IntegrationSynaptic IntegrationSynaptic Integration: Integration of neurons A and B Looking at simultaneous activity of neuron A and neuron B, the postsynaptic neuron integrates their signals by Multiple Choice subtraction below the threshold, producing an action potentiol. subtraction, producing an IPSP. cancellation, producing no response. summation, producing an EPSP. summation over the threshold, producing an oction potential.

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