Wiggins and Keevallik have a new article on how mothers use 'lipsmack' sounds when feeding their infants, entitled 'Parental lip-smacks during infant mealtimes: Multimodal features and social functions', in Interactional Linguistics. Abstract The lip-smack is a communicative vocal tract sound that has received very little research attention, with most work examining them in nonhuman primate …
Vocal practices for achieving embodied coordination
Non-lexical vocalizations 