TED Talk: Amy Cuddy - Physical Dominance.

Body language affects how others see us, but it may also change how we see ourselves. Social psychologist Amy Cuddy shows how “power posing” — standing in a posture of confidence, even when we don’t feel confident — can affect testosterone and cortisol levels in the brain, and might even have an impact on our chances for success.

[ted id=1569]

This talk was presented at an official TED conference.