H Yoo headshot

HyunJoo Yoo

Assistant Professor


  • Ph.D., Communication Sciences & Disorders, The University of Memphis 2018
  • M.S., Speech & Language Pathology, Yonsei University 2008
  • B.A., Psychology, Korea University 2005

Research Areas

  • Early vocal/affect development
  • Caregiver-infant interaction
  • Acoustic analysis of infant vocalizations
  • Cross-cultural differences in vocal interaction
  • Mechanisms of conversational turn-taking

Selected Publications

Oller, D. K., Griebel, U., Bowman, D. D., Bene, E., Long, H. L., Yoo, H., Ramsay, G. (2020). Infant boys are more vocal than infant girls. Current Biology , 30(10), R426-R427.


Oller, D.K., Caskey, M., Yoo, H., Bene, E. R., Jhang, Y., Lee, C-C., Bowman, D. D., Long, H. L., Buder, E. H., & Vohr, B. (2019). Preterm and full term infant vocalization and the origin of language. Scientific Reports.  9:14734. https://doi.org/10.1038/s41598-019-51352-0

Yoo, H., Buder, E. H., Bowman, D. A. & Bidelman, G. M., & Oller, D. K. (2019). Acoustic correlates and adult perceptions of distress in infant speech-like vocalizations and cries. Frontiers in Psychology. 10:1154.

             doi: 10.3389/fpsyg.2019.01154

Yoo, H., Bowman, D. A., & Oller, D. K. (2018). The origin of mother-infant turn taking: An examination of mothers’ role in protoconversation. Frontiers in Psychology. 9:1510.doi: 10.3389/fpsyg.2018.01510