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      Evaluation of the effectiveness of 3D vascular stereoscopic models in anatomy instruction for first year medical students.

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          Abstract

          The head and neck region is one of the most complex areas featured in the medical gross anatomy curriculum. The effectiveness of using three-dimensional (3D) models to teach anatomy is a topic of much discussion in medical education research. However, the use of 3D stereoscopic models of the head and neck circulation in anatomy education has not been previously studied in detail. This study investigated whether 3D stereoscopic models created from computed tomographic angiography (CTA) data were efficacious teaching tools for the head and neck vascular anatomy. The test subjects were first year medical students at the University of Mississippi Medical Center. The assessment tools included: anatomy knowledge tests (prelearning session knowledge test and postlearning session knowledge test), mental rotation tests (spatial ability; presession MRT and postsession MRT), and a satisfaction survey. Results were analyzed using a Wilcoxon rank-sum test and linear regression analysis. A total of 39 first year medical students participated in the study. The results indicated that all students who were exposed to the stereoscopic 3D vascular models in 3D learning sessions increased their ability to correctly identify the head and neck vascular anatomy. Most importantly, for students with low-spatial ability, 3D learning sessions improved postsession knowledge scores to a level comparable to that demonstrated by students with high-spatial ability indicating that the use of 3D stereoscopic models may be particularly valuable to these students with low-spatial ability. Anat Sci Educ 10: 34-45. © 2016 American Association of Anatomists.

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          Author and article information

          Journal
          Anat Sci Educ
          Anatomical sciences education
          Wiley
          1935-9780
          1935-9772
          Jan 2017
          : 10
          : 1
          Affiliations
          [1 ] Department of Neurobiology and Anatomical Sciences, University of Mississippi Medical Center, Jackson, Mississippi.
          [2 ] Schulich School of Medicine and Dentistry, Department of Anatomy and Cell Biology, Western University, London, Ontario, Canada.
          [3 ] Corps for Research of Instructional and Perceptual Technologies (CRIPT), Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.
          [4 ] Department of Pharmacology and Toxicology, and Health Sciences, University of Mississippi Medical Center, Jackson, Mississippi.
          Article
          10.1002/ase.1626
          27273896
          c0e35d9f-4085-4762-9b6e-679c18aaf5a4
          History

          anatomy teaching,3D stereoscopic models,3D virtual models,anatomy assessment,anatomy knowledge test,gross anatomy education,medical education,spatial ability,vasculature of the head and neck

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