Listen carefully to a spoken conversation and you’ll notice that the speakers use a lot of little quasi-words — mm-hmm, um, huh? and the like — that don’t convey any information about the topic of the ...

There are an estimated 7,000 languages spoken worldwide, each offering unique ways to express human emotion. But do certain emotions show regularities in their vocal expression across languages? In ...

An interdisciplinary team explored possible regularities in vocal emotional expressions by comparing expressive interjections, such as 'wow,' to nonlinguistic vocalizations, such as screams and cries, ...