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The present study aimed at investigating the ability of 7‐ to 20‐month‐old infants to display attention‐sensitive communication using either canonical markers of language acquisition (e.g., pointing gestures, canonical babblings) or other signals based on the physical features actually perceived by the mother in everyday interaction (e.g., body movements, mouth sounds). We studied 30 French mother‐infant...
Gestural communication permeates all domains of chimpanzees' social life and is intentional in use. However, we still have only limited information on how young apes develop the sociocognitive skills needed for intentional communication. In this cross‐sectional study, we document the development of behavioral adjustment to the recipient's visual attention—considered a hallmark of intentional communication—in...