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The Many Challenges of Human Experimental Itch Research

Holle, Henning; Lloyd, Donna M.

Authors

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Dr Henning Holle H.Holle@hull.ac.uk
Reader in Psychology / Leader of Cognitive and Clinical Neuroscience group (https://www.hull.ac.uk/neuroscience)

Donna M. Lloyd



Contributors

Nicholas Paul Holmes
Editor

Abstract

Itch has long been a neglected sense within somatosensory research, and with good reason: acute itch, although relatively easy to trigger, is notoriously difficult to control experimentally. Its time course and behavior cannot easily be predicted and participants find it difficult to quantify (and indeed qualify) the sensation. Even scratch behavior in response to itch is weakly correlated to the amount of itch someone is experiencing. This chapter will focus on the three main methods of acute, experimental itch induction: chemically evoked itch (through histamine and cowhage), mechanically or electrically evoked itch, and psychologically evoked itch (through visual and auditory means). The basic materials and experimental designs will be described along with our personal experiences of trying to study itch using these methods. Itch research is not for the faint-hearted; there are more failures along the road than successes. We do it because itch remains one of the most elusive and fascinating areas of somatosensory research. It can give excruciating pain or intense pleasure with just a single scratch and unlocking its mysteries will help the countless thousands who experience debilitating pruritic skin conditions such as eczema, atopic dermatitis, and psoriasis.

Citation

Holle, H., & Lloyd, D. M. (2023). The Many Challenges of Human Experimental Itch Research. In N. P. Holmes (Ed.), Somatosensory Research Methods (161-180). New York: Humana Press. https://doi.org/10.1007/978-1-0716-3068-6_8

Online Publication Date Mar 29, 2023
Publication Date 2023
Deposit Date Mar 29, 2023
Publicly Available Date Mar 30, 2025
Publisher Humana Press
Pages 161-180
Series Title Neuromethods
Series Number 186
Series ISSN 0893-2336 ; 1940-6045
Book Title Somatosensory Research Methods
ISBN 9781071630679
DOI https://doi.org/10.1007/978-1-0716-3068-6_8
Keywords Acute itch; Auditory evoked itch (AEI); Chemically evoked itch; Cowhage; Electrical/mechanically evoked itch; Experimental induction; Histamine; Pruritus; Psychologically evoked itch; Visually evoked itch (VEI)
Public URL https://hull-repository.worktribe.com/output/4253543
Additional Information First Online: 29 March 2023

Files

This file is under embargo until Mar 30, 2025 due to copyright reasons.

Contact H.Holle@hull.ac.uk to request a copy for personal use.





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