Even though they are not needed to make the specific sounds, parts of Mandarin Chinese speakers' faces—their eyebrows and lips—mimic the rising and falling pitch that distinguishes one word spelled ...

A spoken language is more than just words and sounds. Speakers use changes in pitch and rhythm, known as prosody, to provide emphasis, show emotion, and otherwise add meaning to what they say. In a ...

In the diagram above, the left side shows the position and direction of movement of the four points tracked in the study. The shadows near eyebrow/jaw/nose indicate motion. At right is a visual ...