"I've got something I wanna play for you."
Transcranial magnetic stimulation, a technique for treating clinical depression, works by creating an electromagnetic pulse that doesn't disturb the skull or scalp, but can reach two to three centimeters into the brain to stimulate the prefrontal cortex and paralimbic blood flow, increasing the serotonin output and the dopamine and norepinephrine functions.
"In older patients where the brain has shrunk, we have to be very careful to get any results."
Side effects include post-application headaches, muscle twitches and pain at the application site. The risk of seizure remains, but researchers worked very hard to avoid them, and they occurred very rarely.
