Accelerated Resolution Therapy mimics what your eyes do during REM sleep, reports King 5.

During an ART session, the patient is asked to visualize the the traumatic event they experienced. While they do that, the therapist moves their hand quickly back and forth in front of the patient’s face while they follow the hand with their eyes.

“The facts are separated from the trauma in the brain, so you’ll remember the facts of the event, but you’re not going to be traumatized every time you think of the event or get triggered,” she said.