Gate control theory psychology definition
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The gate control theory of pain asserts that non-painful input closes the nerve "gates" to painful input, which prevents pain sensation from traveling to the central nervous system. Therefore, stimulation by non-noxious input is able to suppress pain.
First proposed in 1965 by Ronald Melzack and Patrick Wall, the theory offers a physiological explanation for the previously observed effect of psychology on pain perception. Combining early concepts derived from the specificity theory and the peripheral pattern theory, the gate control theory is considered to be one of the most influential theories of pain. This theory provided a neural basis which reconciled the specificity and pattern theories -- and ultimately revolutionized pain research.[1]
Although there are some important observations that the gate control theory cannot explain adequately[which?], this theory remains the theory of pain which most accurately accounts for the physical and psychological aspects of pain perception.[2]
Willem Noordenbos (1910–1990), a Dutch researcher at the University of Amsterdam, proposed in 1959 a model which featured interaction between small (unmyelinated) and thick (myelinated) fibers. In this model, the fast (myelinated) fibers block the slow (unmyelinated) fibers: "fast blocks slow".[3]