Abstract
The project is linked to the Thematic Project "USP Twin Panel: Research on Behavior, Health, and Well-being of Twins," FAPESP Process nº 2022/02107-6, and more specifically to Subproject P7, focused on the study of twin babies' cry. Human crying is one of the primary forms of communication between a baby and their caregiver (Zeifman, 2001). The phenomenon is adaptive and has a multifactor…