| Abstract: | 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 mode of 50 imp/s for 126 organs of 18 animals.
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| 2. |
By analysis of periodic histograms and interspike interval histograms of responses to sinusoidal electric stimulations, the
frequency response characteristic was determined. The frequency response curve shows a band pass type, the band width ranged
from 5 Hz to 30 Hz and the best frequency is around 15 Hz.
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| 3. |
The thresholds of responses for 47 organs were measured by injection of sinusoidal current into the organs. The threshold
values were less than 0.1nA (61μV/cm) for 35 organs (74%), and less than 0.01nA (6.1 μV/cm) for the rest of 9 organs (19%).
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The Chinese version of this paper appeared in the Chinese edition ofActa Seismologica Sinica,13, 380–386, 1991. |
