By JOE PINKSTONE FOR MAILONLINE PUBLISHED: 13:06 EST, 25 February 2021 | UPDATED: 13:42 EST, 25 February 2021 Scientists have developed a method which changes how a person’s brain functions to boost confidence and eradicate fears. It is believed the technique may have the potential to treat psychological conditions such as post-traumatic stress disorder (PTSD), phobias and anxiety. Dubbed ‘Decoded neurofeedback’,...