Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans.

Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans. Research Abstract Details 

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Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans. Abstract Text:

Yury Gerasimenko,Roland R Roy,V Reggie Edgerton,

Although epidural stimulation is a technique that has been used for a number of years to treat individuals with a spinal cord injury, the intended outcome has been to suppress plasticity and pain. Over the last decade considerable progress has been made in realizing the potential of epidural stimulation to facilitate posture and locomotion in subjects with severe spinal cord injury who lack the ability to stand or to step. This progress has resulted primarily from experiments with mice, rats and cats having a complete spinal cord transection at a mid-thoracic level and in humans with a complete spinal cord injury. This review describes some of these experiments performed after the complete elimination of supraspinal input that demonstrates that the circuitry necessary to control remarkably normal locomotion appears to reside within the lumbosacral region of the spinal cord. These experiments, however, also demonstrate the essential role of processing proprioceptive information associated with weight-bearing stepping or standing by the spinal circuitry. For example, relatively simple tonic signals provided to the dorsum of the spinal cord epidurally can result in complex and highly adaptive locomotor patterns. Experiments emphasizing a significant complementary effect of epidural stimulation when combined with pharmacological facilitation, e.g., serotonergic agonists, and/or chronic step training also are described. Finally, a major point emphasized in this review is the striking similarity of the lumbosacral circuitry controlling locomotion in the rat and in the human.

Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans. Publishing Authors By Initials

Y Gerasimenko,RR Roy,VR Edgerton,

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Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Experimental neurology

VOLUME: 209

Page Numbers: 417-25

Journal Abbreviation: Exp. Neurol.

ISSN: 0014-4886

DAY: 1

MONTH: 08

YEAR: 2007

Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Epidural stimulation: Comparison of the spinal circuits that generate and control locomotion in rats, cats and humans.

AFFILIATION: Department of Physiological Science, University of California, Los Angeles, Los Angeles, CA 90095, USA; Pavlov Institute of Physiology, St. Petersburg, 199034, Russia.

Country: United States

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MEDLINETA: Exp Neurol

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