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Hong Zhu, Jiayu Zou, Fasheng Xiacom asic personality . 1991: THE CHARACTERISTIC OF AFFERENT ACTIVITY OF AMPULLARY ELECTRORECEPTORS IN CATFISH PARASILURUS ASOTUS. Acta Seismologica Sinica, 13(3): 380-386.
Citation: Hong Zhu, Jiayu Zou, Fasheng Xiacom asic personality . 1991: THE CHARACTERISTIC OF AFFERENT ACTIVITY OF AMPULLARY ELECTRORECEPTORS IN CATFISH PARASILURUS ASOTUS. Acta Seismologica Sinica, 13(3): 380-386.
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THE CHARACTERISTIC OF AFFERENT ACTIVITY OF AMPULLARY ELECTRORECEPTORS IN CATFISH PARASILURUS ASOTUS

  • Insritute of Biophysics Academia Sinica Beijing 100080, China

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  • Published Date: September 01, 2011
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  • The spontaneous and evoked activity of electroreceptors were electrophysiologically studied. The results are:1. The spontaneous discharge rate ranged from 15 to 85 imp/s with a modus of 50 imp/s for 126 organs of 18 animals.2. By analysis of periodic histograms and interspike interval histograms of responses to sinusoidal electrical stimulations, the frequency response characteristic was determined. The frequency response curve shows a band pass type, the band width ranged from 5Hz to 30Hz and the best frequency is around 15Hz.3. The thresholds of responses for 47 organs were measured by injection of sinusoidal current into the ampulla. The threshold values were less than 0.1nA ( 61V/cm) for 35 organs (74% ), and less than 0.01nA( 6.1V/cm)for 9 organs (19% ).
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  • [1] Hatai. S. and Abe. N——1932 The responses of the catfish lrarasilurus to earthquakes. Pros. Inyr. Acrrrl. Jpr, 8. 275——378.

    [2] liatai. S., Kokubo. S. and Abe. N., 1932.The earth current in relation to the responses of catllsf. Pror. lnrp.Acrrd. Jpn. 8, 478——481.

    [3] McCreery.D. B., 1977——Two types of electroreceptive lateral lemniscal neurons of the lateral line lobe of the cathsh lctalurus nebulosus.connections from the lateral line nerve and steady——state ti——equency response charycteristics. J.Crrn. Plysiol. 113. 317——339

    [4] Deweille. J. 8..1983. Electrosensory information processing by lateral line lobe neurons of catfish investigated by means of white noise cross——correlation .Corry. Biochenr. Phr.siol..74. 677——680

    [5] Peters. R. C.. Buwalda. R. J. A. .1972 Frequency response of the electroreceptors of the catfish. J. Conpr.Phrsiul. 79.29——38.

    [6] Roth. A..1969. Elektrische sinnesorgane beim Zwergwels Nebulosus. Z. Ve rgl Pln:siol. . 61. 196——202.

    [1] Hatai. S. and Abe. N——1932 The responses of the catfish lrarasilurus to earthquakes. Pros. Inyr. Acrrrl. Jpr, 8. 275——378.

    [2] liatai. S., Kokubo. S. and Abe. N., 1932.The earth current in relation to the responses of catllsf. Pror. lnrp.Acrrd. Jpn. 8, 478——481.

    [3] McCreery.D. B., 1977——Two types of electroreceptive lateral lemniscal neurons of the lateral line lobe of the cathsh lctalurus nebulosus.connections from the lateral line nerve and steady——state ti——equency response charycteristics. J.Crrn. Plysiol. 113. 317——339

    [4] Deweille. J. 8..1983. Electrosensory information processing by lateral line lobe neurons of catfish investigated by means of white noise cross——correlation .Corry. Biochenr. Phr.siol..74. 677——680

    [5] Peters. R. C.. Buwalda. R. J. A. .1972 Frequency response of the electroreceptors of the catfish. J. Conpr.Phrsiul. 79.29——38.

    [6] Roth. A..1969. Elektrische sinnesorgane beim Zwergwels Nebulosus. Z. Ve rgl Pln:siol. . 61. 196——202.
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