>You could control against these confounding factors, but they evidently have not How do you know they haven't? I would presume a team of neuroscientists would

>You could control against these confounding factors, but they evidently have not How do you know they haven't? I would presume a team of neuroscientists would know better than not do that unless I find reason to believe otherwise. From the article: > Previously, the scientists had studied the brains of those of religious faith It would be interesting to see the results of that study to see if it contains details of controlling for the factors you mention.