Shaping infants' social brains through vicarious social learning: the importance of positive mother-father interactions.

Introduction: This study is the first to assess whether infants' developing social brains may be susceptible to the vicarious social experience of interparental positivity. Specifically, we explored whether infants' exposure to interparental positivity may vicariously shape their neural substrates of social development.

Methods: In a sample of 45 infants (  = 11.