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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.
Another type of pain, known as neuropathic pain, is caused by a direct problem or disease that affects the nerves in the central nervous system. [11] The sensory pathways the WDR neurons can play a role in. A subset of this neuropathic pain, known as chronic neuropathic pain, is characterized by its long lasting and high pain intensity.
In 1894 Goldscheider extended the intensive theory, proposing that each tactile nerve fiber can evoke three distinct qualities of sensation – tickle, touch and pain – the quality depending on the intensity of stimulation; and extended Naunyn's summation idea, proposing that, over time, activity from peripheral fibers may accumulate in the ...
The nociceptive signal is thus inhibited before reaching the cortical areas that interpret the signal as pain, such as the anterior cingulate. This is sometimes referred to as the gate control theory of pain and is supported by the fact that electrical stimulation of the PAG results in immediate and profound analgesia. [3]
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Ronald Melzack OC OQ FRSC (July 19, 1929 – December 22, 2019) was a Canadian psychologist and professor of psychology at McGill University. [1] [2] In 1965, he and Patrick David Wall re-charged pain research by introducing the gate control theory of pain.
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The gate theory proposed in 1965 by Prof Ronald Melzack and Prof Wall [12] provided a theoretical construct to attempt SCS as a clinical treatment for chronic pain. This theory postulates that activation of large diameter, myelinated primary afferent fibers suppresses the response of dorsal horn neurons to input from small, unmyelinated primary ...