T K Urbanski

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Early life environmental manipulations have been shown to affect hippocampal-dependent learning, hippocampal volume and cerebral lateralization. In this study, we investigated the effects of neonatal stimulation on hippocampal volumetric asymmetry. Long-Evans hooded rats were exposed to a novel non-home environment 3 min daily for the first 3 weeks of life.(More)
pared to 66 for 200-kV. radiation", or a ten-fold difference in specific ionization. Sugiura 1 , comparing gamma radiation with 200-kV. radiation, obtained a ratio of biological effectiveness of 0-67 for a seven­ fold difference in specific ionization. The results of this investigation will bo published in detail elsewhere'. W e are indebted to the National(More)