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  • Title: Effects of preweaning environmental enrichment on basilar dendrites of pyramidal neurons in occipital cortex: a Golgi study.
    Author: Venable N, Fernández V, Díaz E, Pinto-Hamuy T.
    Journal: Brain Res Dev Brain Res; 1989 Sep 01; 49(1):140-4. PubMed ID: 2791261.
    Abstract:
    The effects of postnatal environmental stimulation on the branching patterns of cortical dendrites were measured in rats. Pups were exposed to 4 daily multisensory enrichment sessions from days 10-24, while littermates were maintained in standard conditions. At 25 days of age, the brains were stained using the Golgi-Cox-Sholl method. Camera lucida drawings were made of the basilar dendritic trees from a total of 528 layer-III occipital cortex pyramidal neurons. A highly significant increase was found in number and length of segments from order 1-5 in the neurons from the enriched subjects.
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