Article
Infants' looking preferences for social versus non-social objects reflect genetic variation.
Nature human behaviour - 1 Jan 2024
Portugal Ana Maria, Viktorsson Charlotte, Taylor Mark J, Mason Luke, Tammimies Kristiina, Ronald Angelica, Falck-Ytter Terje
Abstract excerpt
To what extent do individual differences in infants' early preference for faces versus non-facial objects reflect genetic and environmental factors? Here in a sample of 536 5-month-old same-sex twins, we assessed attention to faces using eye tracking in two ways: initial orienting to faces at the start of the trial (thought to reflect subcortical processing) and sustained face preference throughout the trial...
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