History
The term mitempfindungen (literally "associated sensations") was first used in 1844 by the German scientist Johannes Müller. "Referred itch" was only used after 1884, in context to Kowalewsky’s research. The phenomenon of referred itch was documented as early as 1733. Around that time, the English scientist Stephen Hales observed that when an area of the body was scratched by the nails, an itching sensation could be triggered on a distant part of the body. He had called the phenomenon the many "Instances of the Sympathy of the Nerves." More extensive observations on the referral of sensation were documented by Kowalewsky, who observed referred sensations on himself. Kowalewsky published his findings in 1884.
Read more about this topic: Referred Itch
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