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[075] Citation: Abstract
This study sought to investigate the role of the Renshaw cell with respect to
transient motoneuron firing. By studying the cat motoneuron and Renshaw cell,
several low-order lumped parameter models were developed that simulate the
known characteristics of the injected input current vs. firing rate. The
neuron models in the Renshaw cell inhibition configuration were tuned to fit
experimental data from cat motoneurons. Models included both linear versions
and those with sigmoidal nonlinearities. Results of the simulation indicate
that the motoneuron itself provides the adaptation seen in its firing rate and
that the Renshaw cell's role is primarily to fine-tune the motoneuron's
adaptation process.
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Updated: Tue Jul 15 23:54:48 2008
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