Cold Pressor Test
Reference work entry
DOI: https://doi.org/10.1007/978-3-540-29805-2_797
Definition
The cold pressor test is a widely used experimental pain procedure to determine a person's pain threshold and pain tolerance. Subjects are asked to immerse their right or left lower arm (up to the elbow) or foot into a basin of water, which is kept at a constant given temperature between 0°C and 10°C. Pain threshold is defined as the elapsed time between arm immersion and the first report of a pain sensation. Pain tolerance is defined as the elapsed time until voluntary withdrawal of the hand. Since the cold pressor test induces pronounced sympathetic activation and vasoconstriction, the maximum duration of limb immersion is typically restricted by the experimenter in order to prevent vascular problems.
Modeling, Social Learning in Pain
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© Springer-Verlag Berlin Heidelberg 2007