Here a woman screams in excitment.

Maks Karochkin/Flickr

People scream for different reasons and they're screams take on a different soundwhether they're in pain, afraid, surprised, excited or angry.


An Emory University scientist is taking a look at how we perceive, interpret and use screams as humans, CNN reported.


Take a look at the video below and see if you can take your best guess at why people are screaming in the given contexts.