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    A COMPARISON OF 2D IMAGE ANALYSIS AND DESIGN-BASED STEREOLOGY FOR EVALUATING MORPHOLOGICAL AND ANATOMICAL CHANGES IN THE DOPAMINERGIC SYSTEM OF THE RODENT MIDBRAIN

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    Park_ku_0099D_10993_DATA_1.pdf (2.192Mb)
    Issue Date
    2010-06-13
    Author
    Park, Ji-Hyuk
    Publisher
    University of Kansas
    Format
    229 pages
    Type
    Dissertation
    Degree Level
    Ph.D.
    Discipline
    Occupational Therapy Education
    Rights
    This item is protected by copyright and unless otherwise specified the copyright of this thesis/dissertation is held by the author.
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    Abstract
    Background. 2D analyses produce systematic errors in quantifying anatomical and morphological features in the brain. Design-based stereology overcomes this limitation by applying probability theory, yet many neuroscience investigators still use 2D analyses. The purpose of this study is to compare 2D analysis with design-based stereology in quantifying differences of morphological and anatomical features between groups. Methods. Brain tissue samples of three different rodent models were analyzed; chronic MPTP/probenecid PD (MPD) mouse model, alcohol preferring (AP) rat model, and the enriched environment (EE) rat model. 2D analyses and design-based stereology were used to quantify neuronal number, neuronal volume and regional volume. Student's t-test (two-tailed) was used to compare quantitative data. Results. 2D analyses generated significantly different estimation form design-based stereology in neuronal number and did not find relatively small differences of neuronal number. 2D analysis generated comparable value to design-based stereology in normalized data but not in actual value. 2D estimated accurately regional volume. Discussion. 2D analyses may be used for rough screening to find a difference of neuronal number and volume but should not for the estimation of actual value. Design-based stereology should be used to estimate neuronal number and volume. Both 2D analyses and design based stereology can be used for the estimation of regional volume.
    URI
    http://hdl.handle.net/1808/6775
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    • Dissertations [4475]
    • Education Dissertations and Theses [1065]

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    KU Libraries
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    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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