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Detection of 60-Hertz vertical electric fields by rats

✍ Scribed by Philip M. Sagan; Mark E. Stell; Guy K. Bryan; W. Ross Adey

Publisher: John Wiley and Sons
Year: 1987
Tongue: English
Weight: 862 KB
Volume: 8
Category: Article
ISSN: 0197-8462
DOI: 10.1002/bem.2250080309

No coin nor oath required. For personal study only.

✦ Synopsis

Rats were trained to press levers to indicate the presence or absence of 60-Hz vertical electric fields at intensities from 0 to 27 kV/m (rms). The probability of detecting the field increased as the strength of the field increased. The shape of the detection curve (psychometric function) for most subjects (&) was similar whether the discriminative stimulus was the electric field or a tone. Two protocols were used to estimate the minimum field intensity necessary to detect the field (Reiz Limen, RL). The RL was estimated to be 13.3 kV/m (rms) when using one protocol (the staircase method) and 7.9 kV/m (rms) when using another protocol (the method of constant stimuli).

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