A new study using functional neuroimaging shows that belief, disbelief, and uncertainty activate distinct areas of the brain. The findings may 1 day have implications for the detection of deception or control of placebo effects, the authors say. Medscape Medical News
In a review article, US researchers argue that the growth of CT scan use over the years has increased the risk of higher radiation exposures, which may result in a significant public health problem. Reuters Health Information
What are the imaging features and success rate of percutaneously drained hepatic infarctions that have become abscesses as the result of secondary infection? What characterizes affected patients? American Journal of Roentgenology
How does the diagnostic ability of transthoracic Doppler echocardiography in the left anterior descending coronary artery compare to that of myocardial perfusion imaging in patients referred for MPI? Cardiovascular Ultrasound
How does body weight, height, body mass index, body surface area, and obesity affect aortic contrast enhancement in 64-MDCT cardiac angiography? American Journal of Roentgenology