HapticV1, Main, Exploration, bibRecordById, pubmed:15922069

Evidence that tactile stimulation inhibits nociceptive sensations produced by innocuous contact cooling

Identifieur interne : 006597 ( Main/Exploration ); précédent : 006596; suivant : 006598

Evidence that tactile stimulation inhibits nociceptive sensations produced by innocuous contact cooling

Auteurs : Barry G. Green [États-Unis] ; Kate L. Schoen [États-Unis]

Source :

Behavioural brain research [ 0166-4328 ] ; 2005.

RBID : Pascal:05-0281646

Descripteurs français

Pascal (Inist)
- Perception, Sensibilité tactile, Nociception, Sensation, Refroidissement, Froid, Psychophysique, Douleur, Inhibition, Comparaison interindividuelle, Stimulus thermique, Homme, Etude expérimentale.
Wicri :
- topic : Homme.

English descriptors

KwdEn :
- Adult, Analysis of Variance, Body Temperature Regulation, Cold, Cold Temperature, Cooling, Experimental study, Female, Human, Humans, Inhibition, Inhibition (Psychology), Interindividual comparison, Male, Nociception, Nociceptors (physiology), Pain, Pain Measurement (methods), Pain Threshold (physiology), Perception, Perceptual Masking (physiology), Physical Stimulation, Psychophysics, Psychophysics (methods), Reaction Time (physiology), Sensation, Skin (innervation), Tactile sensitivity, Thermal stimulus, Thermosensing (physiology), Time Factors.
MESH :
- innervation : Skin.
- methods : Pain Measurement, Psychophysics.
- physiology : Nociceptors, Pain Threshold, Perceptual Masking, Reaction Time, Thermosensing.
- Adult, Analysis of Variance, Body Temperature Regulation, Cold Temperature, Female, Humans, Inhibition (Psychology), Male, Physical Stimulation, Time Factors.

Abstract

It was recently shown that stinging, pricking or burning is reliably perceived by some individuals when the skin is cooled to temperatures as mild as 25-30 C. These seemingly paradoxical sensations, which have been termed innocuous-cold nociception (ICN), were significant only when cooling was produced by a thermode resting statically on the skin (static contact); touching an already cooled thermode to the skin (dynamic contact) produced reports of only coolness and cold. The present study investigated the hypothesis that ICN is inhibited by tactile stimulation produced when a thermode contacts the skin. Experiment 1 pitted the tactile hypothesis against an alternative explanation that inhibition results from higher rates of skin cooling during dynamic contact. ICN was measured at three different cooling rates (-1.0, -2.5, -5.0°C/s) when the thermode was resting on the skin or was touched to the skin at the moment cooling began. The results supported the tactile hypothesis: faster cooling rates during static contact led to stronger rather than weaker nociceptive sensations, and ICN was suppressed even when dynamic contact was coincident with the onset of cooling, and thus could not affect cooling rate. Experiment 2 confirmed the latter result and showed that suppression was greatest at 28 C, less at 24°C, and not significant at 18 C. We conclude that dynamic tactile stimulation produced by contact with a surface inhibits the nociceptive component of innocuous but not noxious cooling. The implications of this conclusion for the role of cold perception in behavioral thermoregulation versus haptic perception, and for theories of cold perception in general, are discussed.

Affiliations:

Le document en format XML

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<term>Cold Temperature</term>
<term>Cooling</term>
<term>Experimental study</term>
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<term>Human</term>
<term>Humans</term>
<term>Inhibition</term>
<term>Inhibition (Psychology)</term>
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<term>Tactile sensitivity</term>
<term>Thermal stimulus</term>
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<term>Perceptual Masking</term>
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<term>Body Temperature Regulation</term>
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<term>Sensibilité tactile</term>
<term>Nociception</term>
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<term>Froid</term>
<term>Psychophysique</term>
<term>Douleur</term>
<term>Inhibition</term>
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<front><div type="abstract" xml:lang="en">It was recently shown that stinging, pricking or burning is reliably perceived by some individuals when the skin is cooled to temperatures as mild as 25-30 C. These seemingly paradoxical sensations, which have been termed innocuous-cold nociception (ICN), were significant only when cooling was produced by a thermode resting statically on the skin (static contact); touching an already cooled thermode to the skin (dynamic contact) produced reports of only coolness and cold. The present study investigated the hypothesis that ICN is inhibited by tactile stimulation produced when a thermode contacts the skin. Experiment 1 pitted the tactile hypothesis against an alternative explanation that inhibition results from higher rates of skin cooling during dynamic contact. ICN was measured at three different cooling rates (-1.0, -2.5, -5.0°C/s) when the thermode was resting on the skin or was touched to the skin at the moment cooling began. The results supported the tactile hypothesis: faster cooling rates during static contact led to stronger rather than weaker nociceptive sensations, and ICN was suppressed even when dynamic contact was coincident with the onset of cooling, and thus could not affect cooling rate. Experiment 2 confirmed the latter result and showed that suppression was greatest at 28 C, less at 24°C, and not significant at 18 C. We conclude that dynamic tactile stimulation produced by contact with a surface inhibits the nociceptive component of innocuous but not noxious cooling. The implications of this conclusion for the role of cold perception in behavioral thermoregulation versus haptic perception, and for theories of cold perception in general, are discussed.</div>
</front>
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<name sortKey="Green, Barry G" sort="Green, Barry G" uniqKey="Green B" first="Barry G." last="Green">Barry G. Green</name>
<name sortKey="Schoen, Kate L" sort="Schoen, Kate L" uniqKey="Schoen K" first="Kate L." last="Schoen">Kate L. Schoen</name>
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Serveur d'exploration sur les dispositifs haptiques

Evidence that tactile stimulation inhibits nociceptive sensations produced by innocuous contact cooling

Evidence that tactile stimulation inhibits nociceptive sensations produced by innocuous contact cooling

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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