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Shingo Iwano

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Publications by Shingo Iwano (bibliography)

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2008
 
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Morita, Junya, Miwa, Kazuhisa, Kitasaka, Takayuki, Mori, Kensaku, Suenaga, Yasuhito, Iwano, Shingo, Ikeda, Mitsuru and Ishigaki, Takeo (2008): Interactions of perceptual and conceptual processing: Expertise in medical image diagnosis. In International Journal of Human-Computer Studies, 20 (5) pp. 370-390.

In this study, we selected medical image diagnosis as a task to investigate how expertise influences the relations between perceptual and conceptual processing. In an experiment, participants, namely five novices and five experts, made diagnoses on 13 CT images. We obtained two types of data concerning verbal protocols and manipulating computational systems. The segments related to perceptual and conceptual processing were extracted from these data, and the interrelations of the two components were analyzed. Consequently, we confirmed three salient features in the experts: (1) the experts verbalized more types of findings and more types of hypotheses than novices; (2) the experts generated several hypotheses in the early phases of the task; and (3) they newly verbalized many perceptual features during conceptual activities, and verbalized conceptual words during perceptual activities. These results suggest that expertise in medical image diagnosis involves not only the development of both perceptual and conceptual processing, but also the development of an ability to connect the two components.

© All rights reserved Morita et al. and/or Academic Press

 
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Changes to this page (author)

26 Feb 2010: Modified
05 Jun 2009: Added

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May 21

Computer analyst to programmer: "You start coding. I'll go find out what they want."

-- Popular computer one-liner

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Help us help you!