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IntroductioIl An intriguing feature of the adult brain is its capacity for structural and functional modification in response to external stimuli. This plasticity of the adult nervous system has been the focus of research efforts for decades. The historical antecedents of ideas about brain changes in relation to experiential factors can been traced back to(More)
This paper is one of a series presenting right-left differences in the morphology of the rat forebrain, but this presentation differs from the previous ones by offering age-related changes in both sexes. Long-Evans rats were housed with the dam prior to weaning at 21 days of age and three to a cage thereafter. The ages of the animals studied were 6 to 7,(More)
Neuron:glial ratios were determined in specific regions of Albert Einstein's cerebral cortex to compare with samples from 11 human male cortices. Cell counts were made on either 6- or 20-micron sections from areas 9 and 39 from each hemisphere. All sections were stained with the Klüver-Barrera stain to differentiate neurons from glia, both astrocytes and(More)