Cognition & Neuroscience Colloquium: Jeremy Wolfe

Abstract:  Suppose you want to know if any of your 1000 friends are present in this picture of 100 people. This task requires a visual search through the faces in the image and a memory search through the set of your acquaintances. The combination is known as ‘hybrid search’. How do you do such a task? It turns out that time required to do hybrid search tasks is a linear function of the number of items in the visual display and a linear function of the log of the number of items in the memory set. We are using hybrid search as a way to investigate the problem of “incidental findings” in radiology. If you are examining the lungs for signs of cancer, you are also supposed to report clinically…


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