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Fig. 1 | Cognitive Research: Principles and Implications

Fig. 1

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

Fig. 1

Exemplars of target-present images. The red outline depicts the mass (and did not appear in the actual stimuli). a Low-density breast that contains predominately fatty tissue, which is radio-translucent or black/grey. The higher contrast mass is easily seen. b High-density breast that contains normal fibroglandular tissue resulting in a more difficult search. The X-ray beam is attenuated by this tissue and appears radio-opaque or white on a mammogram

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