It Doesn’t Mean You're Crazy - Talking to Yourself Has Cognitive Benefits, University of Wisconsin-Madison Study  
4/18/2012 7:14:44 AM

Most people talk to themselves at least every few days, and many report talking to themselves on an hourly basis. What purpose is served by this seemingly irrational behavior? Previous research has suggested that such self-directed speech in children can help guide their behavior. For example, children often talk themselves step-by-step through tying their shoelaces, as if reminding themselves to focus on the job in hand.