3_3_09_Locomotion

3_3_09_Locomotion - If the system is rectifying, and Re()...

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If the system is rectifying, and Re( λ ) > 0 and Im( λ ) 0, trajectories converge to limit cycles.
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Reduced preparations show that the motor- pattern generation circuitry is in the spinal cord.
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One of the best known central- pattern generators is that of the lamprey’s swimming; it shares properties with mammalian locomotion.
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Stimulation of the mesencephalic locomotion region indirectly activates and speeds walking.
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Swimming uses half centers, with cross inhibition ending mainly by local inhibition.
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abstract equivalent circuit model: where v i is the membrane potential of Neuron i, G R i and V R i are resting conductance and battery, G T i and V T i are tonic excitatory synaptic conductance and battery, G ji and V syn j are maximal synaptic conductance from Neuron j to Neuron i and battery, and h(v i ) is normalized input-output synaptic function.
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3_3_09_Locomotion - If the system is rectifying, and Re()...

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