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  • Title: The activation of unmyelinated or myelinated afferent fibers by brief infrared laser pulses varies with skin type.
    Author: Pertovaara A, Reinikainen K, Hari R.
    Journal: Brain Res; 1984 Jul 30; 307(1-2):341-3. PubMed ID: 6467002.
    Abstract:
    Brief infrared laser pulses were applied to 3 different skin areas in man. Reaction times indicated that A delta-fibers were activated in the dorsal and volar skin of the finger whereas only C-fibers were activated in the hairy skin of the forearm. The qualitative sensations were in line with this interpretation. We conclude that the activation of unmyelinated or myelinated afferent fiber populations with brief laser pulses varies with skin type.
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