a technique that uses wire coils to repeatedly generate magnetic fields that pass through the skull to the brain is called:

Transcranial Magnetic Stimulation

Transcranial magnetic stimulation (TMS) is a non invasive technique that uses magnetic fields to stimulate nerve cells in the brain in order to enhance symptoms of depression. This method is typically used when other depression treatments haven't been effective.

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !