Bilateral stimulation involves using visual, auditory, or tactile external stimuli in a rhythmic side-to-side pattern, and is a key component of EMDR therapy, often used for treating PTSD. Typically, ...

This post is part of Hard Refresh, a soothing weekly column where we try to cleanse your brain of whatever terrible thing you just witnessed on Twitter. You've heard of 3D, and even 4D, but prepare ...