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Journal Article

An Insect Mechanoreceptor Part II: Receptor Potentials

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Thurm,  U
Forschungsgruppe Kybernetik, Max-Planck-Institut für Biologie, Max Planck Society;

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http://symposium.cshlp.org/content/30/83
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Citation

Thurm, U. (1965). An Insect Mechanoreceptor Part II: Receptor Potentials. Cold Spring Harbor Symposia on Quantitative Biology, 30, 83-94. doi:10.1101/SQB.1965.030.01.012.


Cite as: https://hdl.handle.net/21.11116/0000-0006-7A0C-5
Abstract
This study of receptor potentials in hair-plate receptors was performed in order to get detailed knowledge of the properties of receptor potential responses, which might reflect mechanisms controlling receptor potential generation. The stimulus-response relation and the change in sensitivity which appears during and after a response were studied quantitatively. The characteristics of sensitivity changes found suggested their comparison with refractoriness in axon membranes. To study the formal relations between receptor-potential behavior and electrical properties of axon membranes the stimulus-response relations in the receptor were mathematically analyzed.

As a further attempt to get information on the mechanism of receptor-potential generation, the oxygen-pressure dependence of receptor potentials was examined.

Hair-plate sensilla of insects contain only one nerve cell. In order to study the electrical responses of the nerve cell of one sensillum there is no need to isolate the receptor or to injure the animal severely, because of the high electrical resistance...