According to a comparative study, baboons and human infants exhibit comparable communication methods through gesturing, supporting the possibility of common roots and cognitive mechanisms underlying gesture systems. The research examined natural hand gestures used in both settings: mother-infant conversations and baboon troop social encounters.

Gestures for "give," "request," "come," and "look" were among the commonalities spotted across both categories. These findings imply possible evolutionary continuity and convergence in communicative behavior between diverse species and developmental stages. This research extends current theories of gesture origins and sheds light on human cultural diversity in social signaling processes.