eli5 If MRI machines a super powerful magnets, how come they do not disrupt or damage the electrical impulses in our bodies when we are scanned?

Question

eli5 If MRI machines a super powerful magnets, how come they do not disrupt or damage the electrical impulses in our bodies when we are scanned?

In: 6

Answer 1

We don’t have “electrical impulses”. We have electrochemical reactions (which is basically the same thing batteries have) which release chemicals. The nervous system communicates through these chemicals, not electrical impulses.