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. Author manuscript; available in PMC: 2007 Oct 11.
Published in final edited form as: J Neurophysiol. 2005 Mar 2;94(1):206–218. doi: 10.1152/jn.01134.2004

FIG. 2.

FIG. 2

Motor-unit activity during object hold. A: raw electromyographic (EMG) data from the index finger compartment of FDP (FDP2; top) and a thumb flexor (FPL; bottom). B: motor units discriminated from each raw EMG trace and their respective instantaneous firing rates (bottom and top, respectively). C: the action potentials of the discriminated motor units (1347 and 1144 from FDP2 and FPL EMG records, respectively). D: the interspike interval (ISI) distributions of each motor unit. The data shown in A and B are from a smaller recording period than the entire duration of the object hold trial (∼4 min). All traces are from the same subject (subject 3).