Fig. 1From: Individual differences in perceptual abilities in medical imaging: the Vanderbilt Chest Radiograph TestExample trials from the Vanderbilt Chest Radiograph Test (VCRT). Subjects responded by clicking on the nodule and were then given feedback and shown the nodule for 2000 ms. The upper trial is an example of an easy trial and bottom trial is an example of a more difficult trialBack to article page