The effect of light touch on the amplitude of cutaneous reflexes in the arms during treadmill walking
Identifieur interne : 001530 ( Main/Exploration ); précédent : 001529; suivant : 001531The effect of light touch on the amplitude of cutaneous reflexes in the arms during treadmill walking
Auteurs : Juan Forero [Canada] ; John E. Misiaszek [Canada]Source :
- Experimental brain research [ 0014-4819 ] ; 2014.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme.
English descriptors
- KwdEn :
Abstract
Light touch contact of the tip of one finger can influence the postural control of subjects standing or walking on a treadmill. It is suggested that haptic cues from the finger provide an important sensory cue for the control of posture. In the current study, we used intra-limb cutaneous reflexes in the arms to test the hypothesis that transmission in sensory pathways relevant to the light touch contact would be modulated when light touch is used to increase stability during walking in an unstable environment. Subjects walked on a treadmill and received periodic pulls to the waist. Cutaneous reflexes were evoked from stimulation of the median and radial nerves while the subjects either (a) lightly touched or (b) did not touch a stable contact with the tip of their index finger, while the eyes were either (c) open or (d) closed. The results showed that cutaneous reflexes were modulated by both touch and vision. The effect of touch depended on the nerve being stimulated. The provision of touch in the absence of vision resulted in facilitation of median nerve reflexes evoked in the posterior deltoid and the triceps brachii, but resulted in the suppression of radial nerve reflexes. The nerve-specific influence of touch observed in the responses suggests that cutaneous afferent pathways are facilitated in the presence of touch if they transport sensory information from functionally relevant sensory cues.
Affiliations:
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Le document en format XML
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Misiaszek</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centre for Neuroscience, University of Alberta</s1><s2>Edmonton, AB T6G 2H4</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Edmonton, AB T6G 2H4</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">14-0261348</idno><date when="2014">2014</date><idno type="stanalyst">PASCAL 14-0261348 INIST</idno><idno type="RBID">Pascal:14-0261348</idno><idno type="wicri:Area/PascalFrancis/Corpus">000019</idno><idno type="wicri:Area/PascalFrancis/Curation">001244</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000010</idno><idno type="wicri:doubleKey">0014-4819:2014:Forero J:the:effect:of</idno><idno type="wicri:Area/Main/Merge">001536</idno><idno type="wicri:Area/Main/Curation">001530</idno><idno type="wicri:Area/Main/Exploration">001530</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">The effect of light touch on the amplitude of cutaneous reflexes in the arms during treadmill walking</title><author><name sortKey="Forero, Juan" sort="Forero, Juan" uniqKey="Forero J" first="Juan" last="Forero">Juan Forero</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Department of Occupational Therapy, Faculty of Rehabilitation Medicine, University of Alberta, 2-64 Corbett Hall</s1><s2>Edmonton, AB T6G 2G4</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Edmonton, AB T6G 2G4</wicri:noRegion></affiliation></author><author><name sortKey="Misiaszek, John E" sort="Misiaszek, John E" uniqKey="Misiaszek J" first="John E." last="Misiaszek">John E. Misiaszek</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Centre for Neuroscience, University of Alberta</s1><s2>Edmonton, AB T6G 2H4</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Edmonton, AB T6G 2H4</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Experimental brain research</title><title level="j" type="abbreviated">Exp. brain res.</title><idno type="ISSN">0014-4819</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Experimental brain research</title><title level="j" type="abbreviated">Exp. brain res.</title><idno type="ISSN">0014-4819</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Cutaneous reflex</term><term>Human</term><term>Locomotion</term><term>Walking</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Réflexe cutané</term><term>Marche à pied</term><term>Locomotion</term><term>Homme</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Light touch contact of the tip of one finger can influence the postural control of subjects standing or walking on a treadmill. It is suggested that haptic cues from the finger provide an important sensory cue for the control of posture. In the current study, we used intra-limb cutaneous reflexes in the arms to test the hypothesis that transmission in sensory pathways relevant to the light touch contact would be modulated when light touch is used to increase stability during walking in an unstable environment. Subjects walked on a treadmill and received periodic pulls to the waist. Cutaneous reflexes were evoked from stimulation of the median and radial nerves while the subjects either (a) lightly touched or (b) did not touch a stable contact with the tip of their index finger, while the eyes were either (c) open or (d) closed. The results showed that cutaneous reflexes were modulated by both touch and vision. The effect of touch depended on the nerve being stimulated. The provision of touch in the absence of vision resulted in facilitation of median nerve reflexes evoked in the posterior deltoid and the triceps brachii, but resulted in the suppression of radial nerve reflexes. The nerve-specific influence of touch observed in the responses suggests that cutaneous afferent pathways are facilitated in the presence of touch if they transport sensory information from functionally relevant sensory cues.</div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><country name="Canada"><noRegion><name sortKey="Forero, Juan" sort="Forero, Juan" uniqKey="Forero J" first="Juan" last="Forero">Juan Forero</name></noRegion><name sortKey="Misiaszek, John E" sort="Misiaszek, John E" uniqKey="Misiaszek J" first="John E." last="Misiaszek">John E. Misiaszek</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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