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The Medical Image Perception Laboratory investigates the human component of image interpretation. There are two primary ways to reduce diagnostic error in radiology. One approach improves imaging technology so that abnormalities are more visible. The vast majority of technical research and clinical endeavors is concentrated in this activity. The other approach is to improve the interpretive process itself.

Interpretation is the most crucial, yet least understood part of the diagnostic process. By studying the perceptual and intellectual aspects of how a physician interprets images, the causes of interpretive failure may be understood and corrected. 

Registered users have access to areas of the website that are inaccessible to anonymous/unregistered users. Downloads of current versions of the ROC software such as OR-DBM MRMC, Multi- and Single-Reader Sample Size Program, RSCORE-J, and sample programs that call the curve-fitting DLLs are only available to registered users.

To register, click on the "Register" link in the upper-righthand corner of the page.  Many of the registration fields (e.g., phone number) are optional.  We do ask that you provide your institutional affiliation (if any) and title (if any) as part of the registration process.  You will need to provide a valid e-mail address to complete the registration process.
Medical Image Perception Labs collage showing a spine scan superimposed over two head scans

"As long as humans read images, the capability of the human visual perceptual system will define the limits of performance."

Harold Kundel

(Seminars in Respiratory Medicine, 1989)


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