Enter an experimental electrical brain treatment for PTSD called "trigeminal nerve stimulation" (TNS).
The treatment relies on a 9-volt battery
that powers a low-level current that zaps the brain through an external
forehead patch worn during sleep, according to the researchers. The
current targets the patient's autonomic nervous system and brain regions
that regulate mood, behavior and thought.
Read more at
http://www.philly.com/philly/health/topics/HealthDay707479_20160128_Wearable_Electric_Patch_May_Ease_PTSD.html#wZReVocY0PYJKVmo.99