Neonates

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4726418/

https://pubmed.ncbi.nlm.nih.gov/16814961/

https://www.researchgate.net/publication/222673203_Sex_Differences_in_Human_Neonatal_Social_Perception

https://linkinghub.elsevier.com/retrieve/pii/S0163638300000321

https://scinapse.io/papers/2123855703

https://academic.oup.com/jpepsy/article/25/8/577/914725

https://www.sciencedirect.com/science/article/pii/S0031938422003420