Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans.

Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans. Research Abstract Details 

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Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans. Abstract Text:

N Vuillerme,O Chenu,A Fleury,J Demongeot,Y Payan,N Vuillerme,O Chenu,A Fleury,J Demongeot,Y Payan,

The performance of an artificial tongue-placed tactile biofeedback device for improving ankle joint position sense was assessed in 12 young healthy adults using an active matching task. The underlying principle of this system consisted of supplying individuals with supplementary information about the position of the matching ankle relative to the reference ankle position through a tongue-placed tactile output device generating electrotactile stimulation on a 36- point (6times6) matrix held against the surface of the tongue dorsum. Precisely, (1) no electrodes were activated when both ankles were in a similar angular position within predetermined "angular dead zone" (ADZ); (2) 12 electrodes (2times6) of the anterior and posterior zones of the matrix were activated (corresponding to the stimulation of the front and rear portion of the tongue) when the matching ankle was in too plantar and dorsiflexed position relative to the reference ankle, respectively. The effects of two ADZ values of 0.5deg and 1.5deg were evaluated. Results showed (1) more accurate and more consistent matching performances with than without biofeedback and (2) more accurate and more consistent ankle joint matching performances when using the biofeedback device with the smaller ADZ value. These findings suggest that (1) electrotactile stimulation of the tongue can be used to improve ankle joint proprioception and (2) this improvement can be increased through an appropriate specification of the ADZ parameter provided by the biofeedback system. Further investigations are needed to strengthen the potential clinical value of this device.

Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans. Publishing Authors By Initials

N Vuillerme,O Chenu,A Fleury,J Demongeot,Y Payan,N Vuillerme,O Chenu,A Fleury,J Demongeot,Y Payan,

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Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Conference proceedings : ... Annual International

VOLUME: 1

Page Numbers: 6029-32

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ISSN: 1557-170X

DAY: 23

MONTH: 10

YEAR: 2006

Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Optimizing the use of an artificial tongue-placed tactile biofeedback for improving ankle joint position sense in humans.

AFFILIATION: Lab. TIMC-IMAG, CNRS, La Tronche.

Country: United States

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MEDLINETA: Conf Proc IEEE Eng Med Biol So

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