I'd like a phonecard, please can you use acyclovir cream for shingles BENDEREV: Suddenly, the mirror system has put you inside their head. You know what they want and also what they don't want, which, when you think about it, is a big part of empathy. OK. So, back to the experiment. Remember, Obhi and his team have made people feel powerful or powerless. And they're measuring whether power will change how the mirror system reacts to someone else living their life - in this case, some anonymous hand squeezing a rubber ball. And it turns out, feeling powerless boosted the mirror system. The signal was high. But, Obhi says: