In 1997, a 55-year-old man underwent percutaneous coronary angioplasty (PTCA) of a lesion in the middle segment of the left anterior descending coronary artery (LAD) (Figure, A). He subsequently informed his cardiologist that his twin brother had also been treated successfully with PTCA at another hospital for stenosis of the LAD. The cineangiographic film of the twin brother was retrieved (Jac...

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This Event-Related Potential (ERP) study investigated whether components commonly measured at test, such as the FN400 and the parietal old/new components, could be observed during encoding and, if so, whether they would predict different levels of accuracy on a subsequent memory test. ERPs were recorded while subjects classified pictures of objects as man-made or natural. Some objects were only...