Abstract
Rats that had been exposed continuously during their prenatal development to a 3 to 12 gauss, 0.5-Hz rotating magnetic field (RMF) were significantly retarded, in comparison to the control group, in time of eye opening (p < .01) and time of teeth eruption (p < .01) but did not differ significantly in maturation of startle response. RMF-exposed animals traversed significantly fewer squares than their controls in an open-field situation (p < .01), but defecated (p < .05) and urinated (p < .01) significantly more often, as well as entering the center circle in the open field significantly less often (p < .01). There was no significant difference in the number of rearing responses for the two groups. Reference is made to Ludwig's mathematical hypothesis concerning the absorption mechanism of ELF-waves in the nervous system.
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