Studies for SFA 1

Study 1

Development of visual phonology in deaf infants: The role of rhythmic-temporal properties of sign-phonetic, sign-syllabic & prosodic language perception using eye-tracking. (Rain Bosworth, PI)

PI: Rain Bosworth, University of California, San Diego


  • So-One Hwang, Post-Doc- University of California, San Diego
  • Laura-Ann Petitto, Gallaudet University
  • David Corina, University of California, Davis

Population: Infants

This study investigates selective visual perception and attention for linguistic and nonlinguistic stimuli in younger and older infants, to investigate the basis by which infants differentiate what is language and what is not. This is important for discerning the levels of language organization, and their relative contributions to the language acquisition process, which are key for learning language including the universal level of language organization, “phonology,” as well as grammatical patterns important for latter successful language and reading acquisition.  Here a central hypothesize to be tested is whether infants possess a nascent sensitivity to the patterns of visual sign phonology that make possible their ability to differentiate between "what's in my language" and "what is not in my language (gesture)?”