• Der Schmerz · Dec 1988

    [The correspondence between pain stimulus and pain sensation.].

    • H Göbel, O Heller, T Nowak, and W Westphal.
    • Physiologisches Institut, Würzburg, Deutschland.
    • Schmerz. 1988 Dec 1;2(4):205-11.

    AbstractThe relationship between painful pressure stimuli and induced pain intensity was examined. For experimental pain stimulation in 26 subjects, randomized local pressure on the middle phalanxes of fingers II-IV was used (pressure area 2.56 mm(2), six different pressure levels, three different pressure times). The induced pain intensity was measured by the category splitting procedure. Our results demonstrate that the pain intensity is proportional to the logarithm of the pressure stimulus. This finding is predicted by Fechner's law. The intraindividual and interindividual deviations are normally distributed. The retest reliability between measurements in the morning and in the evening amount to 0.98. Thus, the procedure can be used to objectify the pain intensity experienced.

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