The study demonstrates that the peak frequency of sensory impulses precedes maximum stimulus tension in Periplaneta, illustrating the concept of transfer functions in neurophysiology.
No direct clinical implications; leaves open generalization of sensory impulse dynamics beyond invertebrate models.
The response is described of the tactile ending in a femoral spine of the leg of Periplaneta to a harmonic (sinusoidal) mechanical stimulus of low frequency. The peak frequency of impulses in the sensory nerve precedes the maximum tension of the stimulus. This result is shown to be a corollary of the adaptation shown by the sensory response to a transient stimulus. The concept of the ‘transfer function’ is discussed in relation to neurophysiology. Its value is explained as a means of describing the dynamic properties of component parts of the nervous system when the objective is an understanding of the functioning of the complete rçflex arc.
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Pringle et al. (1952) studied this question.
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