"Magnetic resonance" refers to the ability of certain objects to respond to magnetic fields by emitting or absorbing energy. It is commonly used in medical imaging to create detailed pictures of the inside of our bodies. Full definition
In their study, the scientists used functional magnetic resonance imaging to examine the brains of 28 subjects while they answered choice questions. (sciencedaily.com)
Review of functional magnetic resonance imaging studies comparing bipolar disorder and schizophrenia. (semanticscholar.org)
But evidence for this peculiar behavior has been limited to indirect detection via nuclear magnetic resonance imaging. (scientificamerican.com)