Fitting musicians with motion capture sensors and applying mathematical techniques, researchers discover how musicians communicate non-verbally while performing different pieces of music.
According to researchers, people tend to change the pitch of their voice depending on who they are talking to and how dominant they feel. The study found that a person's vocal characteristics altered in response to people of different social status. When a person was believed to be more dominant, people's voices became more high pitched.
Less is more when it comes to a successful smile, researcher report. In a new study, researchers presented over 800 participants with computer generated images of smiling faces. Researchers found people rated smaller smiles to be more genuine, while bigger smiles that showed more teeth were perceived less well.
According to researchers, sending text messages on a smartphone can alter the rhythm of brain waves.