The Open Pain Journal

ISSN: 1876-3863 ― Volume 12, 2019

An Experimental Investigation of the Effect of Age and Sex/Gender on Pain Sensitivity in Healthy Human Participants

Hanan El-Tumi1, 2, Mark I. Johnson1, Osama A. Tashani1, 2, *
1 Centre for Pain Research, School of Clinical and Applied Sciences, Leeds Beckett University, City Campus, Leeds LS1 3HE, United Kingdom
2 Department of Physiology, University of Benghazi, Benghazi, Libya



Ageing is associated with alterations of the structure and function of somatosensory tissue that can impact on pain perception. The aim of this study was to investigate the relationship between age and pain sensitivity responses to noxious thermal and mechanical stimuli in healthy adults.


56 unpaid volunteers (28 women) aged between 20 and 55 years were categorised according to age into one of seven possible groups. The following measurements were taken: thermal detection thresholds, heat pain threshold and tolerance using a TSA-II NeuroSensory Analyzer; pressure pain threshold using a handheld electronic pressure algometer; and cold pressor pain threshold, tolerance, intensity and unpleasantness.


There was a positive correlation between heat pain tolerance and age (r = 0.228, P = 0.046), but no statistically significant differences between age groups for cold or warm detection thresholds, or heat pain threshold or tolerance. Forward regression found increasing age to be a predictor of increased pressure pain threshold (B = 0.378, P = 0.002), and sex/gender to be a predictor of cold pressor pain tolerance, with women having lower tolerance than men (B = -0.332, P = 0.006).


The findings of this experimental study provide further evidence that pressure pain threshold increases with age and that women have lower thresholds and tolerances to innocuous and noxious thermal stimuli.


The findings demonstrate that variations in pain sensitivity response to experimental stimuli in adults vary according to stimulus modality, age and sex and gender.

Keywords: Heat Pain Threshold, Mechanical Stimuli, NeuroSensory Analyzer, Noxious Therma, Pain Sensitivity, Somatosensory.

Article Information

Identifiers and Pagination:

Year: 2018
Volume: 11
First Page: 41
Last Page: 51
Publisher Id: TOPAINJ-11-41
DOI: 10.2174/1876386301811010041

Article History:

Received Date: 24/4/2018
Revision Received Date: 9/11/2018
Acceptance Date: 23/11/2018
Electronic publication date: 31/12/2018
Collection year: 2018

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© 2018 El-Tumi et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Centre for Pain Research, School of Clinical and Applied Sciences, Leeds Beckett University, City Campus, Leeds LS1 3HE, United Kingdom; Tel: 0044 113 812 3858; E-mail:


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