Here is yet another case of the secular mind discovering the obvious, and thinking they've made a novel breakthrough.
Messing with the brain affects moral judgement? You don't need expensive electromagnetic equipment to run this experiment. Just pound a twelve-pack of Miller High Life, or the brew of your choice, and see what happens to your moral judgement. It's been known for centuries, nay millennia, that disturbances to the body affect mental states and processes. But, until recently, intelligent people did not commit the non sequitur of thinking that, because bodily changes can affect thinking, therefore thinking is nothing but an act of the body.
Superstition can find a home in science, as it can anywhere else.