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Fig. 4B. —56-year-old woman with microcalcifications in right breast. Eye-fixation record of trainee scanning mammograms shown in A. Total search time was 28 sec. Lesion area is indicated by large circle (radius = 1.65 cm) with thin line in each image. Areas of fixation are indicated by small circles that are connected by lines to show path of trainee's eyes. Clusters of areas of fixation within radius of 1.65 cm that had combined dwell time of more than 1000 msec are represented by large circles with thick lines. Note that trainee did not fixate on true lesion in either image. Rather, trainee focused attention on subareolar region, indicated by three fixation clusters (large circles with thick lines) of 1000 msec in two images. Trainee reported lesion in this area and interpreted it as architectural distortion at end of search.