Locust Motoneurons: Bursting Activity Correlated with Axon Diameter

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Abstract
A group of abdominal motoneurons in the locust can be driven by either or both of two central neuronal oscillators of different characteristic frequencies. Much of the motor cells' complex activity can be explained by the varying strengths of activation from these two rhythmic sources and by a cell-to-cell gradation in sensitivity to driving inputs, a property that is correlated with axon diameter.