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Journal of Medical Imaging

Radiologists remember mountains better than radiographs, or do they?
Author(s): Karla K. Evans; Edith M. Marom; Myrna C. B. Godoy; Diana Palacio; Tara Sagebiel; Sonia Betancourt Cuellar; Mark McEntee; Charles Tian; Patrick C. Brennan; Tamara Miner Haygood
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Paper Abstract

Expertise with encoding material has been shown to aid long-term memory for that material. It is not clear how relevant this expertise is for image memorability (e.g., radiologists’ memory for radiographs), and how robust over time. In two studies, we tested scene memory using a standard long-term memory paradigm. One compared the performance of radiologists to naïve observers on two image sets, chest radiographs and everyday scenes, and the other radiologists’ memory with immediate as opposed to delayed recognition tests using musculoskeletal radiographs and forest scenes. Radiologists’ memory was better than novices for images of expertise but no different for everyday scenes. With the heterogeneity of image sets equated, radiologists’ expertise with radiographs afforded them better memory for the musculoskeletal radiographs than forest scenes. Enhanced memory for images of expertise disappeared over time, resulting in chance level performance for both image sets after weeks of delay. Expertise with the material is important for visual memorability but not to the same extent as idiosyncratic detail and variability of the image set. Similar memory decline with time for images of expertise as for everyday scenes further suggests that extended familiarity with an image is not a robust factor for visual memorability.

Paper Details

Date Published: 3 November 2015
PDF: 9 pages
J. Med. Img. 3(1) 011005 doi: 10.1117/1.JMI.3.1.011005
Published in: Journal of Medical Imaging Volume 3, Issue 1
Show Author Affiliations
Karla K. Evans, The Univ. of York (United Kingdom)
Edith M. Marom, The Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Myrna C. B. Godoy, The Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Diana Palacio, The Univ. of Arizona College of Medicine (United States)
Tara Sagebiel, The Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Sonia Betancourt Cuellar, The Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Mark McEntee, The Univ. of Sydney (Australia)
Charles Tian, The Univ. of Texas M.D. Anderson Cancer Ctr. (United States)
Patrick C. Brennan, The Univ. of Sydney (Australia)
Tamara Miner Haygood, The Univ. of Texas M.D. Anderson Cancer Ctr. (United States)


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