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graded potential

any change in electric potential of a neuron that is not propagated along the cell (as is an action potential) but declines with distance from the source. Kinds of graded potential include receptor potentials, postsynaptic potentials, and subthreshold potentials.

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Psychology term of the day

May 21st 2024

chronic pain

chronic pain

pain that continues to occur despite all medical and pharmacological efforts at treatment. In many cases, the pain is initially caused by tissue damage or disease. The continuation of the pain is often the result of pathological changes in the central nervous system.