CNN -- It's something many dog owners have long believed.
But new research published in the journal Current Biology finds that dogs do tune into the feelings out their owners.
That's because a dog's brain processes human voices in the same way our brains do.
And they can tell by the sound of your voice if you're happy or sad.
Click here to read more of the report.
Copyright 2014 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.