Infant boys are more vocal than infant girls.

Curr Biol

Marcus Autism Center, Children's Healthcare of Atlanta, Atlanta, GA 30329, USA; Division of Autism and Related Disabilities, Department of Pediatrics, Emory University, School of Medicine, Atlanta, GA 30329, USA; Center for Translational Social Neuroscience, Emory University, Atlanta, GA 30329, USA.

Published: May 2020

Although it is generally assumed females have a language advantage over males, Oller et al., studying all-day recordings of 100 infants, found that boys in the first year of life produced more speech-like vocalizations than girls and that the effect size was more than four times larger than the commonly reported female language advantage.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8204662PMC
http://dx.doi.org/10.1016/j.cub.2020.03.049DOI Listing

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