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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

The influence of sound spectrum on recognition of temporal pattern of cricket (Teleogryllus oceanicus) song /

El-Feghaly, Edmond M. January 1992 (has links)
The phonotactic steering behavior of tethered flying crickets (Teleogryllus oceanicus) was examined as a measure of the insect's attraction to temporal patterns of calling song at different frequencies and intensities. A stimulus with a 5 kHz carrier becomes less attractive the further its pulse repetition rate deviates from 16 pulses/s. Increasing the intensity increases selectivity for temporal pattern. At sufficiently high intensity level crickets cease to respond to stimuli with altered temporal patterns. / High frequency neurons were suspected to be behind cessation of responsiveness to stimuli with altered temporal features. This hypothesis predicts that the effect on selectivity of increasing the intensity of the 5 kHz stimulus might be mimicked by adding a high frequency to the stimulus. My results contradict this hypothesis. / The response to a 30 kHz carrier demonstrates a dependency on the duration and pulse repetition rate of the stimulus.
2

The influence of sound spectrum on recognition of temporal pattern of cricket (Teleogryllus oceanicus) song /

El-Feghaly, Edmond M. January 1992 (has links)
No description available.
3

Phonotactic orientation behavior of tethered flying crickets (Teleogryllus oceanicus) and its dependence on stimulus carrier frequency

Bourgeois, Raymond C. January 1985 (has links)
No description available.
4

Phonotactic orientation behavior of tethered flying crickets (Teleogryllus oceanicus) and its dependence on stimulus carrier frequency

Bourgeois, Raymond C. January 1985 (has links)
No description available.

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