Word: imaginging
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Don't worry--no one's scanning your head as you stand in front of the beverage aisle or sit in line at the drive-through. Instead, brain scientists are asking volunteers to ponder purchasing choices while lying inside high-tech brain scanners. The resulting real-time images indicate where...
Specialized neurons are being found that allow us to mirror the behavior of people around us, helping us learn such primal skills as walking and eating as well as how to become social, ethical beings. The mystery of memory is being teased apart, exposing the way we store facts and...
Imaging studies also make clear that it isn't just dangers or tragic events that cement memory formation. Positive emotions, which are also mediated through the amygdala, have the same effect. Again, that's a perfectly reasonable evolutionary development. If eating or having sex makes you happy, you'll remember...
This is an oversimplification, of course. Other neurotransmitters, and even plain glucose--the sugar the brain uses for energy--may also play a part. And then there's the peculiar case of a woman who contacted McGaugh because she remembers absolutely everything. The stress-hormone model does not appear to...
Congress and the Centers for Medicare and Medicaid Services (CMS) have taken steps to rein in imaging. Beginning next year, imaging centers will see payment cuts that the industry and its manufacturing allies--GE, Siemens, Phillips--say will reduce some payments to 20% of the cost of doing them. To...