Alva Review-Courier -

NEW YORK (AP) — Brain scans offer a tantalizing glimpse into the mind's mysteries, promising an almost X-ray-like vision into how we feel pain, interpret faces and wiggle fingers.

Studies of brain images have suggested that Republicans and Democrats have visibly different thinking, that overweight adults have stronger responses to pictures of food and that it's possible to predict a sober person's likelihood of relapse.

But such buzzy findings are coming under growing scrutiny as scientists grapple with the fact that some brain scan research doesn't seem to hold up.

Such studies have been crit...