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Fig. 6 | Cognitive Research: Principles and Implications

Fig. 6

From: Finding cancer in mammograms: if you know it’s there, do you know where?

Fig. 6

Localisation errors showing the distance between the localisation response and the mass for each image (detection correct target-present trials only). a 250 ms duration; b 1000 ms duration. The x-axis represents the images (divided by high and low density. Note: the image numbers are arbitrary for the purpose of the graph only). A correct score on localisation would score 0 (excluded from the figure). The y-axis is the distance (in pixels) from the mass border. The dashed red line represents the region of acceptance (ROA). Red numbers are data points in response to images with unusual characteristics: 25 (250 ms) is the high-density image presented in Fig. 5b showing the mouse-clicks on a distractor. 34 is a low-density image which contained a prominent lymph node in the axillary tail of the breast which appears to have captured four radiologists’ attention; 25 (1000 ms) is a low-density image containing a small mass and 43 is the low-density image presented in Fig. 5a showing the cluster of mouse-clicks near the correct location

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