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Publication Detail
Working memory learning method and astrocytes number in different subfields of rat's Hippocampus
  • Publication Type:
    Journal article
  • Publication Sub Type:
    Journal Article
  • Authors:
    Mehrdad J, Yousef S, Ahmad H, Naser N, Abbas P
  • Publication date:
    01/01/2008
  • Pagination:
    28, 31
  • Journal:
    American Journal of Animal and Veterinary Sciences
  • Volume:
    3
  • Issue:
    1
  • Status:
    Published
  • Print ISSN:
    1557-4555
Abstract
The aim of this study was evaluation of the astrocytes number in different subfields of rat's Hippocampus after spatial learning with usage of Morris Water Maze technique and working memory method. In this study, between 2005-2006 years in Pasteur institute of Iran-Tehran and histological department of Gorgan University with usage of Morris Water Maze and working memory technique, we used 14 male albino wistar rats. Seventh rats were in control group and 7 rats in working memory group. After histological preparation, the slides were stained with PTAH staining for showing the Astrocytes. Present results showed significant difference in astrocytes number in CA1, CA2 and CA3 areas of hippocampus between control and reference memory group. The number of astrocytes is increased in working memory group. Then we divided the hippocampus to three parts: Anterior, middle and posterior and with compare of different area (CA1, CA2 and CA3) of hippocampus, we found that the differences between Anterior-middle and Middle-Posterior of CA1 and CA2 area of hippocampus were significant, whereas the difference between Anterior-Posterior parts was not significant in CA1 and CA2 areas. In CA3 area, the difference between Anterior-Middle and Anterior-Posterior parts was significant, whereas the difference between middle and posterior parts was not significant. We concluded that the number of astrocytes increased due to spatial learning and working memory technique. © 2008 Science Publications.
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