Should you trust your first impression?

You can't help it; sometimes, you just get a bad feeling about someone that's hard to shake. So, what's happening in your brain when you make that critical (and often lasting) first judgment? Peter Mende-Siedlecki shares the social psychology of first impressions -- and why they may indicate that, deep down, people are basically good. [Directed by TOGETHER: Words+Pictures for Art & Culture, narrated by Addison Anderson].