Electrocutaneous sensitivity: effects of skin temperature

Somatosensory Research
W D Larkin, J P Reilly

Abstract

The effect of human skin temperature on electrocutaneous sensitivity was examined using brief capacitive discharges. Stimuli were designed to ensure that sensory effects would be independent of skin resistance and would reflect underlying neural excitability as closely as possible. Skin temperature was manipulated by immersing the forearm in circulating hot or cold air. Detection thresholds on the arm and fingertip were raised by cooling, but were not altered by heating. Temperature-related sensitivity shifts were described by the same multiplicative factors for both threshold and suprathreshold levels. The temperature coefficient (Q10) for cutaneous sensitivity under these conditions was approximately 1.3.

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Citations

Nov 1, 1987·Perception & Psychophysics·B G Green
Jan 1, 1989·Somatosensory & Motor Research·J C Stevens

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