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Cutaneous sensibility was tested in eight patients suffering from acute postoperative intraoral pain. Tactile-, cold-, warm-, and heat-pain thresholds as well as reaction time to cold pulses were unaffected by the presence of pain. However, reaction time to warm pulses was increased in the painful area on the day of pain compared to a non-painful state. The findings are discussed in relation to (1) functional convergence of different sensory fibres on central neurons (2) the phenomenon of diffuse noxious inhibitory controls and (3) secondary hyperalgesia. The observed effect of clinical pain on the warm pathway could be explained as an intrasegmental noxious inhibitory effect.
P Hansson, and
A Ekblom, and
U Lindblom, and
P Marchettini
July 1991,
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P Marchettini
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P Marchettini
September 1942,
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P Marchettini
August 2002,
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P Hansson, and
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P Marchettini
January 1945,
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P Hansson, and
A Ekblom, and
U Lindblom, and
P Marchettini
November 2004,
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P Hansson, and
A Ekblom, and
U Lindblom, and
P Marchettini
July 1947,
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P Hansson, and
A Ekblom, and
U Lindblom, and
P Marchettini
March 1897,
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