The study demonstrates that the peak frequency of sensory impulses precedes maximum stimulus tension in Periplaneta, illustrating the concept of transfer functions in neurophysiology.
ABSTRACT 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.
Pringle et al. (Sun,) studied this question.
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