Flashbacks of scenes from traumatic events often haunt those suffering from psychiatric conditions, such as Post Traumatic Stress Disorder (PTSD). “The close relationship between the human imagery system and our emotions can cause deep emotional perturbations”, says Dr Svetla Velikova of Smartbrain in Norway. “Imagery techniques are often used in cognitive psychotherapy to help patients modify disturbing mental images and overcome negative emotions.” Velikova and her team set out to see if such techniques could