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Effects of Strain, Sex, and Illumination on Open-Field Behavior of Rats

Fred P. Valle
The American Journal of Psychology
Vol. 83, No. 1 (Mar., 1970), pp. 103-111
DOI: 10.2307/1420860
Stable URL: http://www.jstor.org/stable/1420860
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Effects of Strain, Sex, and Illumination on Open-Field Behavior of Rats
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Abstract

The effects of strain, sex, and level of illumination on open-field behavior were investigated with black-hooded and agouti-selfed rats. Results indicated that (a) black-hooded rats locomote more, rear equally often, and are less prone to leave the peripheral wall (more thigmotaxic) than agoutiselfed rats; (b) female rats locomote more, rear more, but show the same degree of thigmotaxis as males; and (c) increases in illumination produce decreases in both locomotion and rearing but increases in thigmotaxis.

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