repetitive electric stimulation elicits enduring improvement of sensorimotor performance in seniors

repetitive electric stimulation elicits enduring improvement of sensorimotor performance in seniors

;Tobias Kalisch;Martin Tegenthoff;Hubert R. Dinse
tetrahedron 2010 Vol. 2010 pp. -
152
kalisch2010neuralrepetitive

Abstract

Age-related changes occur on all stages of the human somatosensory pathway, thereby deteriorating tactile, haptic, and sensorimotor performance. However, recent studies show that age-related changes are not irreversible but treatable through peripheral stimulation paradigms based on neuroplasticity mechanisms. We here applied repetitive electric stimulation (rES) to the fingers on a bi-weekly basis for 4 weeks to induce enduring amelioration of age-related changes in healthy individuals aged 60–85 years. Tactile, haptic, and motor performance gradually improved over time of intervention. After termination of rES, tactile acuity recovered to baseline within 2 weeks, while the gains in haptic and motor performance were preserved for 2 weeks. Sham stimulation showed no comparable changes. Our data indicate that age-related decline of sensorimotor performance can be ameliorated by rES and can be stabilized by the repeated application. Thus, long-term application of rES appears as a prime candidate for maintaining sensorimotor functions in elderly individuals.

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0x95644003c57E6F55A65596E3D9Eac6813e3566dA
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256928
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10.1155/2010/690531
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