How do we understand other people's actions and the motives that guide them?  How do we empathize with another person's feelings?  Theory of Mind theories argue that we have folk psychological theories which we use to make such inferences.  Simulation theories, most  recently focusing on mirror neurons, argue that we put ourselves in another person shoes and use our knowledge of ourselves to make inferences about others. We will read a letter to TiCS and watch a talk during the seminar  that present two views on this debate.