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Pain expression and stimulus localisation in individuals with Down's syndrome
M Hennequin1, C Morin, J S Feine
1Laboratoire de Physiologie Orofaciale, Faculté de Chirurgie Dentaire, Université d'Auvergne, Clermont-Ferrand, France. martine.hennequin@u-clermont1.fr
Lancet (London, England)
|December 29, 2000
Summary
Individuals with Down syndrome detect and express pain more slowly and less precisely than the general population. This highlights the need for proactive pain management in this group.
Area of Science:
- Neurology
- Pain Perception
- Developmental Disabilities
Background:
- Individuals with Down syndrome may not display typical distress responses to painful stimuli.
- This variability necessitates a closer examination of their sensory processing.
Purpose of the Study:
- To compare pain detection and localization abilities in individuals with Down syndrome versus healthy controls.
- To quantify differences in sensory processing related to noxious stimuli.
Main Methods:
- Assessed pain detection latency using self-administered cold stimuli on the wrist and temple.
- Evaluated the ability to localize cold stimuli on the hand, face, and mouth.
Main Results:
- Individuals with Down syndrome exhibited significantly longer median latencies for pain detection compared to controls (p=0.0005).
- A higher proportion of individuals with Down syndrome had difficulties localizing stimuli on the hand (54% vs. 99%), mouth (31% vs. 84%), and face (54% vs. 97%).
Conclusions:
- Individuals with Down syndrome are not insensitive to pain but process and express it differently.
- Slower and less precise pain expression in Down syndrome warrants careful pain management protocols, even without overt signs of discomfort.
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