Psychologist David Matsumoto is an acclaimed expert on non-verbal behavior, culture and emotion. Here he is, in his own words, on the weighty consequences of non-verbal communication across cultures.

We all know facial expressions are the biggest source of non-verbal communication. They can give away happiness, anger or confusion without a word being spoken. But if you pay attention to them ...

You don’t have to be famous to experience how non-verbal cues can sometimes reveal inconsistencies with spoken words, writes guest columnist Karen Friedman.

Comedians are masters in non-verbal communication. Their facial expressions say more than words and make us laugh. One of the biggest challenges we have is the text message.

Where non-verbal communication is important in the fire service is in the way we act on the fireground. This is one of those times when it has nothing to do with what we say, it has all to say ...

Imagine having a conversation where every gesture and glance feels like a test. You're juggling eye contact, facial expressions, and tone of voice, all while trying to keep up with the words. You ...

People who do not use verbal speech are still communicative – all people communicate! It’s important for people to re-think ability by thinking of behavior as communication.

Non-verbal speech sounds such as tone, pitch, volume, inflection, rhythm, and rate are important communication elements. When we speak, other people “read” our voices in addition to listening ...

Non-verbal cues—such as body language, eye contact and tone of voice—play a significant role in communication. They can reinforce what you’re saying or completely undermine it.