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 ...

We all know what words we might shout out when we stub a toe or touch something hot. For those of us who speak English, it's probably "ouch." But what kinds of "pain words" (or "interjections") do ...

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, ...

Some parts of speech get lots of attention from language researchers. Nouns and verbs certainly do, and this seems appropriate, given that they refer to the objects and the actions that make up our ...