Faculté des sciences

Methods for chronic recording of EMG activity from large numbers of hindlimb muscles in awake rhesus macaques

Hudson, Heather M. ; Griffin, Darcy M. ; Belhaj-Saïf, Abderraouf ; Lee, Sang-Pil ; Cheney, Paul D.

In: Journal of Neuroscience Methods, 2010, p. -

Studies of the neural control of movement often rely on the ability to record EMG activity during natural behavioral tasks over long periods of time. Increasing the number of recorded muscles and the time over which recordings are made allows more rigorous answers to many questions related to the descending control of motor output. Chronic recording of EMG activity from multiple hindlimb muscles... Plus

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    Summary
    Studies of the neural control of movement often rely on the ability to record EMG activity during natural behavioral tasks over long periods of time. Increasing the number of recorded muscles and the time over which recordings are made allows more rigorous answers to many questions related to the descending control of motor output. Chronic recording of EMG activity from multiple hindlimb muscles has been reported in the cat but few studies have been done in non-human primates. This paper describes two chronic EMG implant methods that are minimally invasive, relatively non-traumatic and capable of recording from large numbers of hindlimb muscles simultaneously for periods of many months to years.