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 SRCLD Presentation Details 

  Title  
       
    Bursting into Tears: Differences in the Temporal Structure of Infants’ Cry and Speech-like Vocalizations in an Early Intervention Classroom  
Author(s)
Stephanie Custode - University of Miami
Samantha Mitsven - University of Miami
Lynn Perry - University of Miami
Regina Fasano - University of Miami
Guangyu Zeng - University of Miami
Jenna Futterer - University of Miami
Daniel Messinger - University of Miami

SRCLD Info
SRCLD Year: 2019
Presentation Type: Special Session
Presentation Time: Sat, Jun 08, 2019 at 02:30 PM
Abstract
Infants’ early environments are replete with statistical regularities and temporally structured information that shapes their everyday learning. We explored the temporal structure of infants cry and speech-like vocalizations and its relation to language development. Our goals were to 1) examine infants’ cry and speech-like vocalizations, 2) quantify the temporal structure of these vocalizations, and 3) investigate the relationship between the temporal structure of vocalizations and infants’ vocabulary growth. We conducted 13 school-day LENA recordings over 10 months in an early intervention childcare classroom for late-talking infants. We quantified the temporal structure of vocalizations (calculating their burstiness and temporal dependency), revealing infants' cry and speech-like vocalizations are highly bursty and temporally dependent. Furthermore, these constructs significantly predict infants’ vocabulary growth over the course of the year. Taken together, our results imply that the temporal spacing of infants’ vocalizations may describe a level of everyday predictability, regularity, and memory interacting with early language learners. This research was funded by a Grant from the National Science Foundation (IP: Daniel Messinger).
Author Biosketch(es)

 

 

 

 

 

 

 

Supported in part by: NIDCD and NICHD, NIH, R13 DC001677, Susan Ellis Weismer, Principal Investigator
University of Wisconsin-Madison - Department of Communication Sciences and Disorders