Babies can recognize the voice of their parents and respond to them. Now, a new study suggests that infants can also distinguish between social relationships through vocal cues.
Infants as young as five months can differentiate laughter between friends and that between strangers, finds a new study by researchers at New York University and UCLA. The results suggest that the ability to detect the nature of social relationships is instilled early in human infancy, possibly the result of a detection system that uses vocal cues.
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