Post-Traumatic Stress’s Surprisingly Positive Flip Side

New York Times 
By JIM RENDON
Published: March 22, 2012

Sgt. Jeffrey Beltran pulled a heavily creased Post-it note from the pocket of his fatigues, unfolded it and looked over a list he jotted down earlier that day: pick up an order of beef lo mein, take his dress uniform to work (jacket, pants and boots), do schoolwork. Beltran’s Army-issue organizer is also filled with these reminders, and he checks them every so often to jog his memory — folding and unfolding them throughout the day. Beltran’s life is filled with sticky notes because his short-term memory is no longer reliable, a result of what the Army calls a mild traumatic brain injury that he suffered in an I.E.D. attack in Iraq in 2005 more…