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Studies identify spinal cord neurons that control skilled limb movement
Date:5/1/2014

how discrete classes of spinal interneurons empower the nervous system to direct motor behaviors in ways that match the particular task at hand," said Dr. Jessell.

The first paper, published in the April 17 issue of Nature, is titled, "Skilled reaching relies on a V2a propriospinal internal copy circuit." The authors are Eiman Azim (CUMC), Juan Jiang (Ume University, Ume, Sweden), Bror Alstermark (Ume University), and Thomas M. Jessell (CUMC).

The study was supported by grants from the Helen Hay Whitney Foundation, Howard Hughes Medical Institute, Ume University, the Swedish Research Council, the National Institutes of Health (NS033245), the G. Harold and Leila Y. Mathers Foundation, and Project A.L.S.

The second paper, to be published in the May 1 issue is titled, "Presynaptic inhibition of spinal sensory feedback ensures smooth movement." The authors are Andrew J. P. Fink (CUMC), Katherine R. Croce (CUMC), Z. Josh Huang (Cold Spring Harbor Laboratory, Cold Spring Harbor, New York), L. F. Abbott (CUMC), Thomas M. Jessell (CUMC), and Eiman Azim (CUMC).


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Contact: Karin Eskenazi
ket2116@cumc.columbia.edu
212-342-0508
Columbia University Medical Center
Source:Eurekalert  

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