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THE ROLE OF VISUAL-SPATIAL ABILITY AND WORKING MEMORY IN IMAGE GUIDED SIMULATOR PERFORMANCE
Umeå University, Faculty of Social Sciences, Department of Psychology.
2007 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Numerous studies have analyzed the critical factors for training in surgical endoscopy to ensure high performance and increased patient safety. There are, however, surprisingly few studies that focus on the role of cognitive abilities, especially considering the fact that an estimated 50% of allmedical errors that lead to permanent disability and death are the result of cognitive failures (Gawande, Zinner, Studdert & Biennen, 2003). This thesis provides initial outlines of two cognitive abilities that may underlie endoscopic simulator performance. In study 1 we addressed how high-level visual-spatial ability of surgical novices is related to performance of two simulatortasks with and without anatomical graphics and haptic feedback, differing in visual-spatial complexity. In study 2 we investigated whether visual and verbal working memory are related to the outcome of task performance scores in simulated laparoscopic cholecystectomy and gastroscopy training. Taken together, the results suggest that visual-spatial ability and working memory are significantly related to endoscopic simulator performance scores and that anincreased cognitive workload enhances the individual differences found. These findings can be used to better implement endoscopic surgical curriculum since novice trainees can be identified early and they might benefit from supplementary education in specific surgical tasks.

Place, publisher, year, edition, pages
Umeå: Institutionen för psykologi , 2007. , 25 p.
Series
Umeå Psychology Supplement Reports, ISSN 1653-7688 ; 12
National Category
Psychology
Research subject
Psychology
Identifiers
URN: urn:nbn:se:umu:diva-22643OAI: oai:DiVA.org:umu-22643DiVA: diva2:217500
Presentation
Bt 102, Beteendevetarhuset, Umeå universitet, Umeå (Swedish)
Opponent
Supervisors
Available from: 2009-05-14 Created: 2009-05-14 Last updated: 2009-05-14Bibliographically approved
List of papers
1. High-level visual-spatial ability for novices correlates with performance in a visual-spatial complex surgical simulator task
Open this publication in new window or tab >>High-level visual-spatial ability for novices correlates with performance in a visual-spatial complex surgical simulator task
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2006 (English)In: SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES, ISSN 0930-2794, Vol. 20, no 8, 1275-1280 p.Article in journal (Refereed) Published
Keyword
visual-spatial ability performance, skill acquisition, simulator training, image-guided surgery
Identifiers
urn:nbn:se:umu:diva-14013 (URN)
Available from: 2007-05-21 Created: 2007-05-21 Last updated: 2011-01-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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  • Other style
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  • de-DE
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  • Other locale
More languages
Output format
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