Science news. Researchers in Japan are working on a potential new treatment for phobias and PTSD. It’s pretty interesting. This new approach, called fMRI decoded neurofeedback (DecNef), uses computer algorithms to identify and desensitize traumatic memories.

How does it work? To begin, researchers installed traumatic memories into their subjects by associating certain colored shapes with unpleasant electric shocks. They would then, naturally, feel afraid when showed those images.

The subject...