Abstract
EXPERIMENTAL manipulations of female rats have significantly influenced the open field behaviour of their grandpups. This phenomenon has been called “non-genetic transmission of information”1. Whereas the experimental manipulations of the grandmothers reported in ref. 1 consisted of pre-weaning infantile “handling”, we have investigated whether stress of the grandmother rat before and during pregnancy affected the open field behaviour of the offspring of the foetuses carried during or immediately after the periods of stress.
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References
Denenberg, V. H., and Rosenberg, K. M., Nature, 216, 549 (1967).
Porter, R. H., and Wehmer, F., Devel. Psychobiol., 2, 19 (1969).
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WEHMER, F., PORTER, R. & SCALES, B. Pre-mating and Pregnancy Stress in Rats affects Behaviour of Grandpups. Nature 227, 622 (1970). https://doi.org/10.1038/227622a0
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DOI: https://doi.org/10.1038/227622a0
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